IndexError: boolean index did not match indexed array along dimension 1; dimension is 2 but corresponding boolean dimension is 1 Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 23, 2019 at 00:00UTC (8:00pm US/Eastern) Data science time! April 2019 and salary with experience The Ask Question Wizard is Live!IndexError - 'List Index out of Range'Odd and Unexpected “IndexError: pop index out of range”IndexError: list index out of range python — 3.4.3Indexerror: Tuple index out of rangleOneHotEncoding raises IndexError: arrays used as indices must be of integer (or boolean) typePython IndexError: list assignment index out of rangeWhat is 'IndexError: list index out of range'?Python 3.6 - IndexError: list index out of rangeIndexError('list assignment index out of range')IndexError: list index out of range in if

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IndexError: boolean index did not match indexed array along dimension 1; dimension is 2 but corresponding boolean dimension is 1



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 23, 2019 at 00:00UTC (8:00pm US/Eastern)
Data science time! April 2019 and salary with experience
The Ask Question Wizard is Live!IndexError - 'List Index out of Range'Odd and Unexpected “IndexError: pop index out of range”IndexError: list index out of range python — 3.4.3Indexerror: Tuple index out of rangleOneHotEncoding raises IndexError: arrays used as indices must be of integer (or boolean) typePython IndexError: list assignment index out of rangeWhat is 'IndexError: list index out of range'?Python 3.6 - IndexError: list index out of rangeIndexError('list assignment index out of range')IndexError: list index out of range in if



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0















I have below arrays:



X = np.array([[68. , 21.5],[71. , 23.5],[ 73. , 22.5 ],[ 64. , 18. ],[ 68. , 23.5],
[ 65, 20. ]])


T=np.array(['Female','Male','Male','Female','Female','Male'])



Y=np.array([[9],[8],[9],[9],[8],[8]], dtype='uint8')


I am trying to find statistics using lambda function as below:



Stats1=lambda X,T:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[T=='Female'],[X[T=='Male']]]]
Stats2=lambda X,Y:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[Y==9],[X[Y==8]]]]


Stats1 works fine:



[[muF,sigmaF,NF],[muM,sigmaM,NM]]=Stats1(X,T)


But Stats2 gives error:



[[muP,sigmaP,NP],[muN,sigmaN,NN]]=Stats2(X,Y)

---------------------------------------------------------------------------
IndexError Traceback (most recent call last)
<ipython-input-20-3678a0bdbb43> in <module>()
----> 1 [[muP,sigmaP,NP],[muN,sigmaN,NN]]=Stats2(X,Y)

<ipython-input-18-940d7bad1eef> in <lambda>(X, Y)
----> 1 Stats2=lambda X,Y:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[Y==9],[X[Y==8]]]]

IndexError: boolean index did not match indexed array along dimension 1; dimension is 2 but corresponding boolean dimension is 1


Can anyone help me understand why and how to fix it.










share|improve this question




























    0















    I have below arrays:



    X = np.array([[68. , 21.5],[71. , 23.5],[ 73. , 22.5 ],[ 64. , 18. ],[ 68. , 23.5],
    [ 65, 20. ]])


    T=np.array(['Female','Male','Male','Female','Female','Male'])



    Y=np.array([[9],[8],[9],[9],[8],[8]], dtype='uint8')


    I am trying to find statistics using lambda function as below:



    Stats1=lambda X,T:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[T=='Female'],[X[T=='Male']]]]
    Stats2=lambda X,Y:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[Y==9],[X[Y==8]]]]


    Stats1 works fine:



    [[muF,sigmaF,NF],[muM,sigmaM,NM]]=Stats1(X,T)


    But Stats2 gives error:



    [[muP,sigmaP,NP],[muN,sigmaN,NN]]=Stats2(X,Y)

    ---------------------------------------------------------------------------
    IndexError Traceback (most recent call last)
    <ipython-input-20-3678a0bdbb43> in <module>()
    ----> 1 [[muP,sigmaP,NP],[muN,sigmaN,NN]]=Stats2(X,Y)

    <ipython-input-18-940d7bad1eef> in <lambda>(X, Y)
    ----> 1 Stats2=lambda X,Y:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[Y==9],[X[Y==8]]]]

    IndexError: boolean index did not match indexed array along dimension 1; dimension is 2 but corresponding boolean dimension is 1


    Can anyone help me understand why and how to fix it.










    share|improve this question
























      0












      0








      0








      I have below arrays:



      X = np.array([[68. , 21.5],[71. , 23.5],[ 73. , 22.5 ],[ 64. , 18. ],[ 68. , 23.5],
      [ 65, 20. ]])


      T=np.array(['Female','Male','Male','Female','Female','Male'])



      Y=np.array([[9],[8],[9],[9],[8],[8]], dtype='uint8')


      I am trying to find statistics using lambda function as below:



      Stats1=lambda X,T:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[T=='Female'],[X[T=='Male']]]]
      Stats2=lambda X,Y:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[Y==9],[X[Y==8]]]]


      Stats1 works fine:



      [[muF,sigmaF,NF],[muM,sigmaM,NM]]=Stats1(X,T)


      But Stats2 gives error:



      [[muP,sigmaP,NP],[muN,sigmaN,NN]]=Stats2(X,Y)

      ---------------------------------------------------------------------------
      IndexError Traceback (most recent call last)
      <ipython-input-20-3678a0bdbb43> in <module>()
      ----> 1 [[muP,sigmaP,NP],[muN,sigmaN,NN]]=Stats2(X,Y)

      <ipython-input-18-940d7bad1eef> in <lambda>(X, Y)
      ----> 1 Stats2=lambda X,Y:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[Y==9],[X[Y==8]]]]

      IndexError: boolean index did not match indexed array along dimension 1; dimension is 2 but corresponding boolean dimension is 1


      Can anyone help me understand why and how to fix it.










      share|improve this question














      I have below arrays:



      X = np.array([[68. , 21.5],[71. , 23.5],[ 73. , 22.5 ],[ 64. , 18. ],[ 68. , 23.5],
      [ 65, 20. ]])


      T=np.array(['Female','Male','Male','Female','Female','Male'])



      Y=np.array([[9],[8],[9],[9],[8],[8]], dtype='uint8')


      I am trying to find statistics using lambda function as below:



      Stats1=lambda X,T:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[T=='Female'],[X[T=='Male']]]]
      Stats2=lambda X,Y:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[Y==9],[X[Y==8]]]]


      Stats1 works fine:



      [[muF,sigmaF,NF],[muM,sigmaM,NM]]=Stats1(X,T)


      But Stats2 gives error:



      [[muP,sigmaP,NP],[muN,sigmaN,NN]]=Stats2(X,Y)

      ---------------------------------------------------------------------------
      IndexError Traceback (most recent call last)
      <ipython-input-20-3678a0bdbb43> in <module>()
      ----> 1 [[muP,sigmaP,NP],[muN,sigmaN,NN]]=Stats2(X,Y)

      <ipython-input-18-940d7bad1eef> in <lambda>(X, Y)
      ----> 1 Stats2=lambda X,Y:[[np.mean(x),np.std(x,ddof=1),len(x)] for x in [X[Y==9],[X[Y==8]]]]

      IndexError: boolean index did not match indexed array along dimension 1; dimension is 2 but corresponding boolean dimension is 1


      Can anyone help me understand why and how to fix it.







      index-error






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 8 at 20:14









      SkatSkat

      32




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