www.gusucode.com > stats 源码程序 matlab案例代码 > stats/CountObservationsInEachLevelExample.m
%% Count Observations in Each Level %% % Create a nominal array from data in a cell array. colors = nominal({'r','b','g';'g','r','b';'b','r','g'},... {'blue','green','red'}) %% % Count the number of observations of each level in each column. levelcounts(colors) %% % Count the number of observations of each level in each row. levelcounts(colors,2) %% % Alternatively, you can use |summary| to display the counts with their % labels. The default is to count elements in each column. summary(colors) %% % You can also count elements in each row. summary(colors,2)