| sits_sample {sits} | R Documentation |
Takes a sits tibble with different labels and returns a new tibble. For a given field as a group criterion, this new tibble contains a given number or percentage of the total number of samples per group. Parameter n: number of random samples with replacement. Parameter frac: a fraction of random samples without replacement. If frac > 1, no sampling is done.
sits_sample(data, n = NULL, frac = NULL)
data |
Input sits tibble. |
n |
Number of samples to pick from each group of data. |
frac |
Percentage of samples to pick from each group of data. |
A sits tibble with a fixed quantity of samples.
Rolf Simoes, rolf.simoes@inpe.br
# Retrieve a set of time series with 2 classes data(cerrado_2classes) # Print the labels of the resulting tibble sits_labels(cerrado_2classes) # Samples the data set data <- sits_sample(cerrado_2classes, n = 10) # Print the labels of the resulting tibble sits_labels(data)