def convert_df_to_array(df_Data, column):
    """
    Converts data frames to arrays

    Parameters
    ----------
    df_Data : pandas dataframe
        input dataframe
    columns : list
        columns of the input dataframe
    Returns
    ----------
    array_val : array
        array version of the dataframe
    """
    array_val = df_Data[column].values
    return array_val