title: not supported between instances of 'str' and 'float'
body: <p>While handling with missing data for below columns from csv file it throws  TypeError.How to resolve this ? </p>
  
  <pre><code>trainData.Gender.fillna(trainData.Gender.max(),inplace =True)
  trainData.Married.fillna(trainData.Married.max(),inplace=True)
  
  TypeError: '&gt;=' not supported between instances of 'str' and 'float'
  
  trainData.dtypes
      Loan_ID               object
      Gender                object
      Married               object
      Dependents            object
      Education             object
      Self_Employed         object
      ApplicantIncome        int64
      CoapplicantIncome    float64
      LoanAmount           float64
      Loan_Amount_Term     float64
      Credit_History       float64
      Property_Area         object
      Loan_Status           object
  </code></pre>