title: how to save feature matrix as csv file
body: <p>I have several features of Image and after image pre-processing I have plenty of data which I need to use frequently in future works. So to save time I want to save the data of image features in csv format. The following image features are the row attributes: Intensity, Skewness, Kurtosis, Std_deviation Max5, Min5.</p>
  
  <p>Here every image feature is a numpy array of size (34560,1). </p>
  
  <p>How to make a csv file which consists of all these image features. </p>