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

Problem

Sudoku is a logic based number placement puzzle. The term sudoku is originated from Japanese, where Su means ‘Number’ and Doku means ‘Single’. The objective of the problem is to fill 9x9 grid with the following rules

  • 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

Wiki definition: Backtracking can be defined as a general algorithmic technique that considers searching every possible combination in order to solve a computational problem.

Backtracking is…


Spoiler alert: My answer to get 1 is stupid

Step-1 : Understanding the problem statement

In this post, I am going to explain my journey of improving the score from 0.72 to 0.83 (top-3 percent at the time of submission) and then from 0.83 to 1 the Titanic machine learning from disaster.

Good thing about Titanic problem it is an never ending contest. So, if you want to understand where you stand as Data scientist this problem will be of great use.

Step-2: Understanding data

Always, keep in mind this quote

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

Kaggle provides you 3…

Shankar Y Bhavani

Data science enthusiast

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