title: How to check in easy way non-linear relationships using Python?
body: <p>I have dataset in pandas DataFrame. I build a function which returns me a dataframe which looks like this:</p>
  <pre><code>Feature_name_1   Feature_name_2   corr_coef   p-value
  ABC              DCA              0.867327    0.02122 
  </code></pre>
  <p>So it's taking independent variables and returns correlation coefficient of them.
  Is there is any easy way I can check in this way non-linear relationship?
  In above case I used scipy Pearson correlation but I cannot find how to check non-linear? I found only more sophisticated methods and I would like have something easy to implement as above.</p>
  <p>It will be enough if method will be easy to implement it's not necessary have to be from scipy on other specific packages</p>