Data Science Cross Word Puzzle

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Across
  1. 3. The process of estimating relationships among variables (8 letters)
  2. 5. A matrix used in classification tasks (10 letters)
Down
  1. 1. A variable whose value depends on others (9 letters)
  2. 2. A diagram representing data distribution (7 letters)
  3. 4. A common method to divide data into training and test sets (6 letters)