Sample
Last updated
Last updated
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
Enter Sample Number - Number of rows you want to sample the data. (e.g. 10000)
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.
Replace Sampled Rows (Options) - The default is FALSE. If it's TRUE, replacement will be executed when sampling.
Click "Run" to Sample data frame.
Enter Sample Fraction ratio. It should be a numeric value between 0 and 1. (e.g. 0.4)
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.
Replace Sampled Rows (Options) - The default is FALSE. If it's TRUE, replacement will be executed when sampling.
Click "Run" to Sample data frame.
