Sample
Sample n rows from the data frame (Sample N Rows) or sample n fraction of rows from the data frame (Sample Fraction)
- Click "+" button and select "Others ..." -> "Sample ..." -> N Rows
- Click "+" button and select "Others ..." -> "Sample ..." -> Fraction
- 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.
- 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.
Last modified 1yr ago