value error while implementing the stochastic regression using sklearn library in python












-1















There is need to update training set automatically when new observations are filled.



I have used Stochastic Gradient Descent Algorithm using sklearn library in Python. I converted dataframe to array but still I am having problem in conversion. I do this following:



import pandas as pd
from pandas import DataFrame
from sklearn.linear_model import SGDClassifier

#Collecting Numeric data
data = pd.read_csv('/home/system/Documents/Heena/Regression/Data.csv')
df = pd.DataFrame(data, columns = ['years_of_exp', 'company', 'location', 'education','score'])

xSGD = df[['years_of_exp', 'company', 'location', 'education']]
ySGD = df['score']

#Conversion of dataframe to numpy array
X = np.asarray(xSGD)
Y = np.asarray(ySGD)
clf = SGDClassifier(loss="hinge", penalty="l2", max_iter=5)
clf.fit(xSGD,ySGD)


Error:
I expect the output of this must fit the model. But the actual output is



ValueError.

File "/home/system/anaconda3/lib/python3.7/site-packages/sklearn/utils/multiclass.py", line 96, in unique_labels
raise ValueError("Unknown label type: %s" % repr(ys))
ValueError: Unknown label type: (array([1. , 2. , 3. , 3.8 , 4. , 4.25, 5. ]),)









share|improve this question





























    -1















    There is need to update training set automatically when new observations are filled.



    I have used Stochastic Gradient Descent Algorithm using sklearn library in Python. I converted dataframe to array but still I am having problem in conversion. I do this following:



    import pandas as pd
    from pandas import DataFrame
    from sklearn.linear_model import SGDClassifier

    #Collecting Numeric data
    data = pd.read_csv('/home/system/Documents/Heena/Regression/Data.csv')
    df = pd.DataFrame(data, columns = ['years_of_exp', 'company', 'location', 'education','score'])

    xSGD = df[['years_of_exp', 'company', 'location', 'education']]
    ySGD = df['score']

    #Conversion of dataframe to numpy array
    X = np.asarray(xSGD)
    Y = np.asarray(ySGD)
    clf = SGDClassifier(loss="hinge", penalty="l2", max_iter=5)
    clf.fit(xSGD,ySGD)


    Error:
    I expect the output of this must fit the model. But the actual output is



    ValueError.

    File "/home/system/anaconda3/lib/python3.7/site-packages/sklearn/utils/multiclass.py", line 96, in unique_labels
    raise ValueError("Unknown label type: %s" % repr(ys))
    ValueError: Unknown label type: (array([1. , 2. , 3. , 3.8 , 4. , 4.25, 5. ]),)









    share|improve this question



























      -1












      -1








      -1








      There is need to update training set automatically when new observations are filled.



      I have used Stochastic Gradient Descent Algorithm using sklearn library in Python. I converted dataframe to array but still I am having problem in conversion. I do this following:



      import pandas as pd
      from pandas import DataFrame
      from sklearn.linear_model import SGDClassifier

      #Collecting Numeric data
      data = pd.read_csv('/home/system/Documents/Heena/Regression/Data.csv')
      df = pd.DataFrame(data, columns = ['years_of_exp', 'company', 'location', 'education','score'])

      xSGD = df[['years_of_exp', 'company', 'location', 'education']]
      ySGD = df['score']

      #Conversion of dataframe to numpy array
      X = np.asarray(xSGD)
      Y = np.asarray(ySGD)
      clf = SGDClassifier(loss="hinge", penalty="l2", max_iter=5)
      clf.fit(xSGD,ySGD)


      Error:
      I expect the output of this must fit the model. But the actual output is



      ValueError.

      File "/home/system/anaconda3/lib/python3.7/site-packages/sklearn/utils/multiclass.py", line 96, in unique_labels
      raise ValueError("Unknown label type: %s" % repr(ys))
      ValueError: Unknown label type: (array([1. , 2. , 3. , 3.8 , 4. , 4.25, 5. ]),)









      share|improve this question
















      There is need to update training set automatically when new observations are filled.



      I have used Stochastic Gradient Descent Algorithm using sklearn library in Python. I converted dataframe to array but still I am having problem in conversion. I do this following:



      import pandas as pd
      from pandas import DataFrame
      from sklearn.linear_model import SGDClassifier

      #Collecting Numeric data
      data = pd.read_csv('/home/system/Documents/Heena/Regression/Data.csv')
      df = pd.DataFrame(data, columns = ['years_of_exp', 'company', 'location', 'education','score'])

      xSGD = df[['years_of_exp', 'company', 'location', 'education']]
      ySGD = df['score']

      #Conversion of dataframe to numpy array
      X = np.asarray(xSGD)
      Y = np.asarray(ySGD)
      clf = SGDClassifier(loss="hinge", penalty="l2", max_iter=5)
      clf.fit(xSGD,ySGD)


      Error:
      I expect the output of this must fit the model. But the actual output is



      ValueError.

      File "/home/system/anaconda3/lib/python3.7/site-packages/sklearn/utils/multiclass.py", line 96, in unique_labels
      raise ValueError("Unknown label type: %s" % repr(ys))
      ValueError: Unknown label type: (array([1. , 2. , 3. , 3.8 , 4. , 4.25, 5. ]),)






      python machine-learning scikit-learn






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      edited Jan 4 at 8:13









      Vivek Kumar

      16.4k42155




      16.4k42155










      asked Jan 1 at 9:57









      HeenaHeena

      1116




      1116
























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          From the stack trace, I see two problems:





          1. ySGD is a tuple, but it should be a numpy array (probably the first and only element of that tuple)

          2. You are using SGDClassifier, but your labels are real numbers (and are called "score" in the dataframe). This suggests your task is actually a regression problem, so you should use SGDRegressor instead






          share|improve this answer



















          • 1





            Perfect answer. Thank you so much @BlackBear :)

            – Heena
            Jan 1 at 10:35











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          1 Answer
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          1 Answer
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          active

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          active

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          0














          From the stack trace, I see two problems:





          1. ySGD is a tuple, but it should be a numpy array (probably the first and only element of that tuple)

          2. You are using SGDClassifier, but your labels are real numbers (and are called "score" in the dataframe). This suggests your task is actually a regression problem, so you should use SGDRegressor instead






          share|improve this answer



















          • 1





            Perfect answer. Thank you so much @BlackBear :)

            – Heena
            Jan 1 at 10:35
















          0














          From the stack trace, I see two problems:





          1. ySGD is a tuple, but it should be a numpy array (probably the first and only element of that tuple)

          2. You are using SGDClassifier, but your labels are real numbers (and are called "score" in the dataframe). This suggests your task is actually a regression problem, so you should use SGDRegressor instead






          share|improve this answer



















          • 1





            Perfect answer. Thank you so much @BlackBear :)

            – Heena
            Jan 1 at 10:35














          0












          0








          0







          From the stack trace, I see two problems:





          1. ySGD is a tuple, but it should be a numpy array (probably the first and only element of that tuple)

          2. You are using SGDClassifier, but your labels are real numbers (and are called "score" in the dataframe). This suggests your task is actually a regression problem, so you should use SGDRegressor instead






          share|improve this answer













          From the stack trace, I see two problems:





          1. ySGD is a tuple, but it should be a numpy array (probably the first and only element of that tuple)

          2. You are using SGDClassifier, but your labels are real numbers (and are called "score" in the dataframe). This suggests your task is actually a regression problem, so you should use SGDRegressor instead







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Jan 1 at 10:29









          BlackBearBlackBear

          15.4k83368




          15.4k83368








          • 1





            Perfect answer. Thank you so much @BlackBear :)

            – Heena
            Jan 1 at 10:35














          • 1





            Perfect answer. Thank you so much @BlackBear :)

            – Heena
            Jan 1 at 10:35








          1




          1





          Perfect answer. Thank you so much @BlackBear :)

          – Heena
          Jan 1 at 10:35





          Perfect answer. Thank you so much @BlackBear :)

          – Heena
          Jan 1 at 10:35




















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