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# pandas.Series.as_matrix

`Series.``as_matrix`(columns=None)

  Convert the frame to its Numpy-array matrix representation. Columns are presented in sorted order unless a specific list of columns is provided.

  NOTE: the dtype will be a lower-common-denominator dtype (implicit

    upcasting) that is to say if the dtypes (even of numeric types) are mixed, the one that accommodates all will be chosen use this with care if you are not dealing with the blocks

    e.g. if the dtypes are float16,float32 -> float32
      float16,float32,float64 -> float64 int32,uint8 -> int32

  Returns : | values : ndarray If the caller is heterogeneous and contains booleans or objects, the result will be of dtype=object

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