Sample

Sample n rows from the data frame (Sample N Rows) or sample n fraction of rows from the data frame (Sample Fraction)

How to Access This Feature

Sample (N Rows)

  • Click "+" button and select "Others ..." -> "Sample ..." -> N Rows

Sample (Fraction)

  • Click "+" button and select "Others ..." -> "Sample ..." -> Fraction

Sample (N Rows)

  1. Enter Sample Number - Number of rows you want to sample the data. (e.g. 10000)
  2. Select Weight Colulmn (Optional) - Sampling weight. The ratio of probability the row should be chosen. This should be non-negative numeric vector whose size is the number of rows. It's normalized so that the sum of the probability will be 1.
  3. Replace Sampled Rows (Options) - The default is FALSE. If it's TRUE, replacement will be executed when sampling.
  4. Click "Run" to Sample data frame.

Sample (Fraction)

  1. Enter Sample Fraction ratio. It should be a numeric value between 0 and 1. (e.g. 0.4)
  2. Select Weight Colulmn (Optional) - Sampling weight. The ratio of probability the row should be chosen. This should be non-negative numeric vector whose size is the number of rows. It's normalized so that the sum of the probability will be 1.
  3. Replace Sampled Rows (Options) - The default is FALSE. If it's TRUE, replacement will be executed when sampling.
  4. Click "Run" to Sample data frame.

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