matlab grpstats

`grpstats` is a function in MATLAB that is used to compute summary statistics of a dataset broken down by one or more grouping variables. The function takes in a data matrix, a grouping variable or variables, and a set of functions to apply to the data within each group. The output is a table that summarizes the statistics for each group.

Here's an example of how to use the `grpstats` function:

% Create sample data
data = [1 2 3 4 5 6 7 8 9 10];
group = [1 1 1 2 2 2 3 3 3 3];

% Compute summary statistics by group
stats = grpstats(data, group, {'mean', 'std', 'min', 'max'});

% Display the results
disp(stats);

In this example, `data` is a vector of values and `group` is a vector of group assignments. The `grpstats` function computes the mean, standard deviation, minimum, and maximum of `data` for each group defined by `group`. The resulting table will have one row for each group and columns for each computed statistic.