Like the comments said, you are trying to convert a string or object (in this case "Male") into a float. Try to output your variables and their types to makes you see where you are trying to convert the float.ValueError: could not convert string to float. Now, i know it is a string but how can i convert it into a tuple type that can be read in the function, as the value contains commas and cannot be converted to float i think. the function takes in a tuple of three numbers separated by commas (RGB values) and returns the color Closet to it. MY CODE: Add a comment. 1. First use this line to obtain the current dtypes: col_dtypes = dict ( [ (k, v.name) for k, v in dict (df.dtypes).items ()]) Like so: xls3 = pd.read_csv ('path/to/file') col_dtypes = dict ( [ (k, v.name) for k, v in dict (xls3.dtypes).items ()]) print (col_dtypes) Copy the value that is printed. It should be like this:Matplotlib fails with ValueError: cannot convert float NaN to integer 0 TypeError: Image data of dtype object cannot be converted to float - Issue with HeatMap Plot using SeabornNov 9, 2021 · Matplotlib fails with ValueError: cannot convert float NaN to integer 0 TypeError: Image data of dtype object cannot be converted to float - Issue with HeatMap Plot using Seaborn The Python "ValueError: could not convert string to float" occurs when we pass a string that contains characters or an empty string to the float() class. To solve the error, remove all unnecessary characters from the string before calling float() .Sep 7, 2017 · 3 Answers. A quick solution would involve using pd.to_numeric to convert whatever strings your data might contain to numeric values. If they're incompatible with conversion, they'll be reduced to NaN s. from sklearn.linear_model import LinearRegression X = X.apply (pd.to_numeric, errors='coerce') Y = Y.apply (pd.to_numeric, errors='coerce ... Convert string to float object in python in python. Suppose we have a string ‘181.23’ as a Str object. To convert this to a floating-point number, i.e., float object, we will pass the string to the float() function. Which converts this string to a float and returns the float object. For example,f1 = float ( "123.123" ) # output: 123.123 f2 = float ( "1" ) # output: 1.0 f3 = float ( 1 ) # output: 1.0. As you can see the above strings were converted into a floating object. The only thing you should keep in mind is that the string should contain a numerical decimal or integer value, only then would the float function be able to convert ... Fix ValueError: could not convert string to float. Solution 1: Ensure the string has a valid floating value. Solution 2: Use try-except. If you convert a string object into a floating-point in Python many times you will get a ValueError: could not convert string to float. Usually, this happens if the string object has an invalid floating value ...Jul 26, 2023 · Here, we first created an empty string in Python and then had to loop over the string with commas, apply the conditional statement to remove the commas, and then convert the resultant string into a float in Python. The output is: 2999.99 <class 'float'>. This way, we can use the Naive method to convert string with comma to float in Python. Sep 7, 2017 · 3 Answers. A quick solution would involve using pd.to_numeric to convert whatever strings your data might contain to numeric values. If they're incompatible with conversion, they'll be reduced to NaN s. from sklearn.linear_model import LinearRegression X = X.apply (pd.to_numeric, errors='coerce') Y = Y.apply (pd.to_numeric, errors='coerce ... Jan 6, 2022 · with open ("n38bn.txt", r, encoding="utf-8") as file: # Open the file for the length of the width block numbers = [float (line.strip ()) for line in file] # For each line, strip, convert to float and add to list result = sum (numbers) # Sum the list print ("The sum is", result) This uses a list comprehension to build the list in one line, and ... ValueError: could not convert string to float: '$257.26' - sklearn.tree.DecisionTreeClassifier - Python Hot Network Questions Galois action on automorphisms of a curveMaybe I should use other module to read CSV. I tried pandas right now, and it reads just fine as anyone would have expected, but OTOH I don't want to load huge package just to read CSV to array, and don't use it again...You can simply do this by. s = '542.22' f = float (s) # This converts string data to float data with a decimal point print (f) i = int (f) # This converts string data to integer data by just taking the whole number part of it print (i) For more information on parsing of data types check on python documentation! Share.May 14, 2013 · 6. float (line) does not convert in-place. It returns the float value. You need to assign it back to a float variable. float_line = float (line) UPDATE: Actually a better way is to first check if the input is a digit or not. In case it is not a digit float (line) would crash. So this is better -. If you want to improve your model it is even recommended to normalize your model between -1;1 in general and therefore to use decimal numbers, hence the expectation of a float. In your case, your dataframe seems to contain exclusively string entries. As Dilara Gokay said, you first need to transform your strings into floats and to do so, use ...3 Answers. A quick solution would involve using pd.to_numeric to convert whatever strings your data might contain to numeric values. If they're incompatible with conversion, they'll be reduced to NaN s. from sklearn.linear_model import LinearRegression X = X.apply (pd.to_numeric, errors='coerce') Y = Y.apply (pd.to_numeric, errors='coerce ...Aug 16, 2022 · To convert string to float we can use the function: .astype(float). If we try to do so for the column - amount: df['amount'].astype(float) we will face error: ValueError: could not convert string to float: '$10.00' Step 2: ValueError: Unable to parse string "$10.00" at position 0. We will see similar result if we try to convert the column to ... 5,534 3 25 36. asked Jul 21, 2019 at 14:51. Sudhanshu Kumar Tiwari. 1 1. 1. Somehow you are trying to convert the string 'f' to a float.It is probably in the .csv file. You'll have to find it and figure out why. – wwii.f1 = float ( "123.123" ) # output: 123.123 f2 = float ( "1" ) # output: 1.0 f3 = float ( 1 ) # output: 1.0. As you can see the above strings were converted into a floating object. The only thing you should keep in mind is that the string should contain a numerical decimal or integer value, only then would the float function be able to convert ...You should change the order, right now you try to convert everything into floats, even blank spaces. while True: user_number = input ('Enter a number: ') if not user_number.isdigit (): print (number / count) break count += 1 number = number + float (user_number) Additionally, you should do the print of the average value before the break.Aug 3, 2021 · You input a value (or more) and it predicts another. A float is a number with decimals. For example, a 2 is an integer and a 2.53 is a float. What you can do is. a = '0.67687980' print (float (a)) Which returns. 0.67687980. However, you cannot do it with a string. a = 'Some string' print (float (a)) ValueError: could not convert string to float: 'Yes, policy' while fitting to my Logistic Regression Model 0 What is causing this ValueError: could not convert string to float: '' while using logisticRegr.fit(x_train, y_train)A try/except handles the ValueError that might occur when float tries to convert the input to a float. The problem is exactly what the Traceback log says: Could not convert string to float. If you have a string with only numbers, python's smart enough to do what you're trying and converts the string to a float. ValueError: could not convert string to float: id I'm confused by this. When I try this for only one line in interactive section, instead of for loop using script:Mar 5, 2021 · ValueError: could not convert string to float: '$257.26' - sklearn.tree.DecisionTreeClassifier - Python Hot Network Questions Galois action on automorphisms of a curve ValueError: could not convert string to float: 'New York'. I read the answers to similar questions and then opened scikit-learn documentations, but how you can see scikit-learn authors doesn't have issues with spaces in strings. I know that I can use LabelEncocder from sklearn.preprocessing and then use OHE and it works well, but in that case.f1 = float ( "123.123" ) # output: 123.123 f2 = float ( "1" ) # output: 1.0 f3 = float ( 1 ) # output: 1.0. As you can see the above strings were converted into a floating object. The only thing you should keep in mind is that the string should contain a numerical decimal or integer value, only then would the float function be able to convert ... Jun 27, 2021 · We can use data types like int, float, string, list, set… in our applications. When using different types of variables, it may be necessary to convert these to different types. Just like the str () function, Python also offers a handy built-in function that takes an object of type String as an argument and returns the corresponding Float object. I keep getting a valueerror: could not convert string to float: '1956-01' The code is supposed to scale the data for machine learning using minmax scaler, but its saying I have strings. I think the code converted it into datetime.could not convert string to float: and not the Exception that i wrote it. raise Exception("this Record has empty value") row[0]==> Date type Date; row[10]==> wind speed type float; row[11]==> fog type boolean; code:Maybe I should use other module to read CSV. I tried pandas right now, and it reads just fine as anyone would have expected, but OTOH I don't want to load huge package just to read CSV to array, and don't use it again...Maybe I should use other module to read CSV. I tried pandas right now, and it reads just fine as anyone would have expected, but OTOH I don't want to load huge package just to read CSV to array, and don't use it again... Maybe I should use other module to read CSV. I tried pandas right now, and it reads just fine as anyone would have expected, but OTOH I don't want to load huge package just to read CSV to array, and don't use it again...Here, we first created an empty string in Python and then had to loop over the string with commas, apply the conditional statement to remove the commas, and then convert the resultant string into a float in Python. The output is: 2999.99 <class 'float'>. This way, we can use the Naive method to convert string with comma to float in Python.Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsWe can use data types like int, float, string, list, set… in our applications. When using different types of variables, it may be necessary to convert these to different types. Just like the str () function, Python also offers a handy built-in function that takes an object of type String as an argument and returns the corresponding Float object.ValueError: could not convert string to float. Now, i know it is a string but how can i convert it into a tuple type that can be read in the function, as the value contains commas and cannot be converted to float i think. the function takes in a tuple of three numbers separated by commas (RGB values) and returns the color Closet to it. MY CODE:Mar 10, 2017 · ValueError: could not convert string to float: 'john_smith' And 'john_smith' is a value from the first column of data (data[:,0]), since I defined this to be a string, I don't even understand why it tries to convert it to a float. Also: 'john_smith' is neither the first or the last element of the data array. So, what is wrong here? Working example: 1. I'm trying to build a simple program using tkinter and I want to assign the value that the user enters into an entry widget as a float variable, not a string. Here is my code: from tkinter import * root = Tk () x_entry = Entry (root) x_entry.pack () x_string=x_entry.get () def enter_click (event): x=float (x_string) print (x) enter_button ...Nov 26, 2018 · ValueError: could not convert string to float: 'New York'. I read the answers to similar questions and then opened scikit-learn documentations, but how you can see scikit-learn authors doesn't have issues with spaces in strings. I know that I can use LabelEncocder from sklearn.preprocessing and then use OHE and it works well, but in that case. The problem is that your string is not just '1151226468812.22', but it is '"1151226468812.22"'. It also contains speech marks ( " ). This means that before you convert this to a float, you need to remove the leading and trailing speech marks. Luckily, Python has a very handy string method .strip () to do this for you.with open ("n38bn.txt", r, encoding="utf-8") as file: # Open the file for the length of the width block numbers = [float (line.strip ()) for line in file] # For each line, strip, convert to float and add to list result = sum (numbers) # Sum the list print ("The sum is", result) This uses a list comprehension to build the list in one line, and ...Jan 6, 2019 · Jan 6, 2019 at 21:32. As explained in the answer, ValueError: could not convert string to float can occur when reading a dataframe from a csv file and casting types df = df [ ['p']].astype ( {'p': float}). If the csv was recorded with empty spaces, python will not recognize the space characters. Mar 31, 2020 · Like the comments said, you are trying to convert a string or object (in this case "Male") into a float. Try to output your variables and their types to makes you see where you are trying to convert the float. Aug 3, 2021 · You input a value (or more) and it predicts another. A float is a number with decimals. For example, a 2 is an integer and a 2.53 is a float. What you can do is. a = '0.67687980' print (float (a)) Which returns. 0.67687980. However, you cannot do it with a string. a = 'Some string' print (float (a)) Aug 3, 2021 · You input a value (or more) and it predicts another. A float is a number with decimals. For example, a 2 is an integer and a 2.53 is a float. What you can do is. a = '0.67687980' print (float (a)) Which returns. 0.67687980. However, you cannot do it with a string. a = 'Some string' print (float (a)) ValueError: could not convert string to float: I want to replace these " " by NaN values, in a large dataframe. ... ValueError: could not convert string to float ...Jun 16, 2021 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams Jun 29, 2020 · ValueError: could not convert string to float: 'X_train' ... not able to convert string to float in python and how to train the model with this dataset. 5. f1 = float ( "123.123" ) # output: 123.123 f2 = float ( "1" ) # output: 1.0 f3 = float ( 1 ) # output: 1.0. As you can see the above strings were converted into a floating object. The only thing you should keep in mind is that the string should contain a numerical decimal or integer value, only then would the float function be able to convert ...I have this assignment where I use SVC() and best gridsearchCV() from scikit learn to fit a model. Bit I am getting can not convert string to float. All my X_train data seem to int64 and float64. But y_train data are "yes" and "no".ValueError: could not convert string to float: RahulSingh: 3: 3,566: Apr-09-2020, 02:59 PM Last Post: dinesh : convert a list of string+bytes into a list of strings (python 3) pacscaloupsu: 4: 9,853: Mar-17-2020, 07:21 AM Last Post: markfilan : Convert dataframe string column to numeric in Python: darpInd: 1: 1,974: Mar-14-2020, 10:07 AM Last ...May 26, 2014 · 1. I'm trying to build a simple program using tkinter and I want to assign the value that the user enters into an entry widget as a float variable, not a string. Here is my code: from tkinter import * root = Tk () x_entry = Entry (root) x_entry.pack () x_string=x_entry.get () def enter_click (event): x=float (x_string) print (x) enter_button ... Aug 23, 2023 · STILL GOT QUERIES? Get a Live FREE Demo. Explore the trending and niche courses and learning maps; Learn about tuition fee, payment plans, and scholarships; Get access to webinars and self-paced learning videos 3 Answers. A quick solution would involve using pd.to_numeric to convert whatever strings your data might contain to numeric values. If they're incompatible with conversion, they'll be reduced to NaN s. from sklearn.linear_model import LinearRegression X = X.apply (pd.to_numeric, errors='coerce') Y = Y.apply (pd.to_numeric, errors='coerce ...5. As you guessed, ValueError: could not convert string to float: '13.75%' indicates that the % character blocks the convertion. Now when you try to remove it: df ['int_rate'] = df ['int_rate'].replace ("%","", inplace=True) You set inplace=True in your replacement, which as the name suggests changes the dataframe in-place, so replace () method ...I keep getting a valueerror: could not convert string to float: '1956-01' The code is supposed to scale the data for machine learning using minmax scaler, but its saying I have strings. I think the code converted it into datetime. f1 = float ( "123.123" ) # output: 123.123 f2 = float ( "1" ) # output: 1.0 f3 = float ( 1 ) # output: 1.0. As you can see the above strings were converted into a floating object. The only thing you should keep in mind is that the string should contain a numerical decimal or integer value, only then would the float function be able to convert ...– Replace the Unwanted Characters Using a Python Function. You can replace unwanted characters from your string using the “replace()” function. This will work for our previous pandas example, and the following string in our first example: “22,2.329%”.When I try to replicate this behavior, the corr() method works OK but spits out a warning (shown below) that warns that the ignoring of non-numeric columns will be removed in the future.Jul 18, 2023 · This article is aimed at providing information about converting the string to float. In Python, we can use float () to convert String to float. and we can use int () to convert a String to an integer. Input: "33.28" Output: 33.28 # float Explanation: int in input and float in output. – Replace the Unwanted Characters Using a Python Function. You can replace unwanted characters from your string using the “replace()” function. This will work for our previous pandas example, and the following string in our first example: “22,2.329%”.The problem is that your string is not just '1151226468812.22', but it is '"1151226468812.22"'. It also contains speech marks ( " ). This means that before you convert this to a float, you need to remove the leading and trailing speech marks. Luckily, Python has a very handy string method .strip () to do this for you.Oct 6, 2022 · How to fix these errors . There are 4 methods to fix this issue. Those are: Remove all characters, and symbols, and extract only the number (using re) Remove leading and trailing unwanted characters (using `str.strip`) Replace the unnecessary character (s) with an empty string (using `str.replace`) Using try-catch logic. float() is an inbuilt method in Python which returns a floating-point number from another numeric data-type( for example – int) or a string. However, you can only use the float() method on a string value that represents or looks like a floating-point value ( i.e. string values that represent numbers). This means that you cannot convert a ...What this does is splits every item at the '-', and takes the first part and converts it to float. Items like this '9.8-10.0 ' cannot directly be converted to a float as they consist of a - in them. So you need to decide whether you want the first part (before -) to be converted to float or the second part (after the -).Python: Naive Bayes fit function gives TypeError: float() argument must be a string or a number 0 ValueError: bad input shape (1, 4) in sklearn.naive_bayes.GaussianNBOct 3, 2019 · Python: Naive Bayes fit function gives TypeError: float() argument must be a string or a number 0 ValueError: bad input shape (1, 4) in sklearn.naive_bayes.GaussianNB Python: Naive Bayes fit function gives TypeError: float() argument must be a string or a number 0 ValueError: bad input shape (1, 4) in sklearn.naive_bayes.GaussianNBValueError: could not convert string to float: 'D' I have tried: train=train.astype(float) Replacing all 'D' with another value. train.convert_objects(convert_numeric=True) But the issue still persists. I also tried printing all the valueErrors in my csv file, but cannot find a reference to 'D'. This is my trace:Python "ValueError: could not convert string to float: %". Create a function called format_change which takes a string such as those in the Change column and does the following: def format_change (string): if string [-1] == "%": string = string [-1] str_as_float = float (string) if str_as_float > 0: str_as_float = str_as_float * 100 return str ... I think np.loadtxt expects numbers so it does not know how to convert a value which starts with a ' (', I think you have two choices here: lines = [] with open ('datafile') as infile: for line in infile: line = line.rstrip (' ') [1:-1] # this removes first and last parentheses from the line lines.append ( [float (v) for v in line.split ...However you can convert the numeric string to float by typecasting it. For example: >>> number_string = '123.5' >>> float (number_string) 123.5. Now coming to your second part, for calculating the sum of number. Let say your are having the string of multiple numbers. Firstly .split () the list, type-cast each item to float and then calculate ...Dec 2, 2017 · 2. You're trying to convert the string "" into a float. "" doesn't make sense as a float, so you'll have to do one of the following. 1 Populate your fields with strings that make sense as floats. For example "0". 2 Set a default value. The following code sets wins as the float value of wins or 0.0 if not applicable. A try/except handles the ValueError that might occur when float tries to convert the input to a float. The problem is exactly what the Traceback log says: Could not convert string to float. If you have a string with only numbers, python's smart enough to do what you're trying and converts the string to a float.When I try to replicate this behavior, the corr() method works OK but spits out a warning (shown below) that warns that the ignoring of non-numeric columns will be removed in the future.Jul 4, 2021 · I'm trying to load the two coluns of my csv files into an array in python. However I am getting: ValueError: could not convert string to float: ''. I have attached the snippets of the code implemented and the csv file I'm trying to store in an array. Dec 19, 2008 · You can simply do this by. s = '542.22' f = float (s) # This converts string data to float data with a decimal point print (f) i = int (f) # This converts string data to integer data by just taking the whole number part of it print (i) For more information on parsing of data types check on python documentation! Share. Read the input strvalue and use float () to convert it to a float type. Args: strvalue (str): The input string. Returns: True if strvalue is a string that can be converted to a float type, otherwise False. """ try: myfloat = float (strvalue) except ValueError: print (f'The input string {strvalue} cannot be converted to a float type.') else ...Sep 20, 2017 · 5. As you guessed, ValueError: could not convert string to float: '13.75%' indicates that the % character blocks the convertion. Now when you try to remove it: df ['int_rate'] = df ['int_rate'].replace ("%","", inplace=True) You set inplace=True in your replacement, which as the name suggests changes the dataframe in-place, so replace () method ... ValueError: could not convert string to float: id I'm confused by this. When I try this for only one line in interactive section, instead of for loop using script:ValueError: could not convert string to float: RahulSingh: 3: 3,566: Apr-09-2020, 02:59 PM Last Post: dinesh : convert a list of string+bytes into a list of strings (python 3) pacscaloupsu: 4: 9,853: Mar-17-2020, 07:21 AM Last Post: markfilan : Convert dataframe string column to numeric in Python: darpInd: 1: 1,974: Mar-14-2020, 10:07 AM Last ...A try/except handles the ValueError that might occur when float tries to convert the input to a float. The problem is exactly what the Traceback log says: Could not convert string to float. If you have a string with only numbers, python's smart enough to do what you're trying and converts the string to a float. Sep 20, 2017 · 5. As you guessed, ValueError: could not convert string to float: '13.75%' indicates that the % character blocks the convertion. Now when you try to remove it: df ['int_rate'] = df ['int_rate'].replace ("%","", inplace=True) You set inplace=True in your replacement, which as the name suggests changes the dataframe in-place, so replace () method ... I'm trying to load the two coluns of my csv files into an array in python. However I am getting: ValueError: could not convert string to float: ''. I have attached the snippets of the code implemented and the csv file I'm trying to store in an array.3 Answers. A quick solution would involve using pd.to_numeric to convert whatever strings your data might contain to numeric values. If they're incompatible with conversion, they'll be reduced to NaN s. from sklearn.linear_model import LinearRegression X = X.apply (pd.to_numeric, errors='coerce') Y = Y.apply (pd.to_numeric, errors='coerce ...If you are in a hurry, below quick examples will help you in understanding the different ways to convert a string to a float in Python. We will discuss them in detail with other important tips. # Quick Examples # Method 1: Convert string to float using float () string_to_float = float("123.45") # Method 2: Convert string to float using the ...FWIW, you can use the standard unicodedata module to get the name of each char in string that's behaving mysteriously. Eg, if the string is s do import unicodedata as ud print(*map(ud.name, s), sep=', ').
If you want to improve your model it is even recommended to normalize your model between -1;1 in general and therefore to use decimal numbers, hence the expectation of a float. In your case, your dataframe seems to contain exclusively string entries. As Dilara Gokay said, you first need to transform your strings into floats and to do so, use .... Musiciansf
You should change the order, right now you try to convert everything into floats, even blank spaces. while True: user_number = input ('Enter a number: ') if not user_number.isdigit (): print (number / count) break count += 1 number = number + float (user_number) Additionally, you should do the print of the average value before the break.Python: Naive Bayes fit function gives TypeError: float() argument must be a string or a number 0 ValueError: bad input shape (1, 4) in sklearn.naive_bayes.GaussianNBIf your replacements result in with something that doesn't parse as float then astype will fail. You can use the pandas.to_numeric to handle problematic data using the "errors='coerce'" argument; the empty ('') values will be converted to NaN.Python: Naive Bayes fit function gives TypeError: float() argument must be a string or a number 0 ValueError: bad input shape (1, 4) in sklearn.naive_bayes.GaussianNBMar 5, 2021 · ValueError: could not convert string to float: '$257.26' - sklearn.tree.DecisionTreeClassifier - Python Hot Network Questions Galois action on automorphisms of a curve Now, let’s check the output: Enter the value you want to convert to GBP: 2,300. Traceback (most recent call last): File “main.py”, line 1, in <module>. dollar_value = float (input (“Enter the value you want to convert to GBP: “)) Python valueerror: could not convert string to float: ‘2,300’. Finally, it is the main reason to cause ... You're getting this because your series is string, but it contains some NAs, which actually get represented in pandas as nan, which is a float value (that's how pd.read_csv() will handle it). That's why pandas gives a strange warning claiming the string series is a float: Solution: first, fill any NA values in your string column with empty-string:Apr 26, 2017 · ValueError: could not convert string to float: id I'm confused by this. When I try this for only one line in interactive section, instead of for loop using script: Convert string to float object in python in python. Suppose we have a string ‘181.23’ as a Str object. To convert this to a floating-point number, i.e., float object, we will pass the string to the float() function. Which converts this string to a float and returns the float object. For example,Sep 23, 2021 · The machine cannot uderstand or work with string values. It only understands numeric values. So for example if you are doing a machine learning task, you would use libraries like OneHotEncoder, LabelEncoder etc to covert string values to numeric. For your case, you are working on a NLP task which uses text values instead of string values. ValueError: could not convert string to float: 'john_smith' And 'john_smith' is a value from the first column of data (data[:,0]), since I defined this to be a string, I don't even understand why it tries to convert it to a float. Also: 'john_smith' is neither the first or the last element of the data array. So, what is wrong here? Working example:float() is an inbuilt method in Python which returns a floating-point number from another numeric data-type( for example – int) or a string. However, you can only use the float() method on a string value that represents or looks like a floating-point value ( i.e. string values that represent numbers). This means that you cannot convert a ...Though not the best solution, I found some success by converting it into pandas dataframe and working along. code snippet # convert X into dataframe X_pd = pd.DataFrame(data=X) # replace all instances of URC with 0 X_replace = X_pd.replace(' ',0, regex=True) # convert it back to numpy array X_np = X_replace.values # set the object type as float ...A try/except handles the ValueError that might occur when float tries to convert the input to a float. The problem is exactly what the Traceback log says: Could not convert string to float. If you have a string with only numbers, python's smart enough to do what you're trying and converts the string to a float.FWIW, you can use the standard unicodedata module to get the name of each char in string that's behaving mysteriously. Eg, if the string is s do import unicodedata as ud print(*map(ud.name, s), sep=', ').Though not the best solution, I found some success by converting it into pandas dataframe and working along. code snippet # convert X into dataframe X_pd = pd.DataFrame(data=X) # replace all instances of URC with 0 X_replace = X_pd.replace(' ',0, regex=True) # convert it back to numpy array X_np = X_replace.values # set the object type as float ... Dec 19, 2008 · You can simply do this by. s = '542.22' f = float (s) # This converts string data to float data with a decimal point print (f) i = int (f) # This converts string data to integer data by just taking the whole number part of it print (i) For more information on parsing of data types check on python documentation! Share. Maybe I should use other module to read CSV. I tried pandas right now, and it reads just fine as anyone would have expected, but OTOH I don't want to load huge package just to read CSV to array, and don't use it again... I think np.loadtxt expects numbers so it does not know how to convert a value which starts with a ' (', I think you have two choices here: lines = [] with open ('datafile') as infile: for line in infile: line = line.rstrip (' ') [1:-1] # this removes first and last parentheses from the line lines.append ( [float (v) for v in line.split ...This code works fine in python 2, but the input function was changed between python 2 and python 3 in compliance with PEP 3111:. What was raw_input in python 2 is now called just input in python 3.The Python "ValueError: could not convert string to float" occurs when we pass a string that contains characters or an empty string to the float() class. To solve the error, remove all unnecessary characters from the string before calling float() . .
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