title: how to create a new columns with random values in pyspark?
body: <p>I tried to initialize new columns with random values in pandas. I did this way </p>
  
  <p><code>df['business_vertical'] = np.random.choice(['Retail', 'SME', 'Cor'], df.shape[0])</code></p>
  
  <p>How do I do it in pyspark?</p>