Introduction


What?

  • Do I have missing data?
  • What are different variables available ?
  • How do I visualize categorical data ?
  • How do I visualize numerical data ?
df = sns.load_dataset('tips')
df.head()

Do I have missing data?


Overview


Image-1 From left to right (i) sudoku puzzle (ii) answer to puzzle

Problem

  • Every row should be filled with numbers 1 to 9 only once.
  • Every column should be filled with numbers 1 to 9 only once.
  • Every 3x3 sub-grid should be filled with numbers 1 to 9 only once.

Backtracking


Step-1 : Understanding the problem statement

Step-2: Understanding data

If you torture data long enough, it will confess the truth
-Ronald H. Coase

Shankar Y Bhavani

Data science enthusiast

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