www.gusucode.com > matlab 案例源码 matlab代码程序 > matlab/ChooseDataTypeForTextDataExample.m
%% Designate Data Type for Imported Text Data % Import text data as a string data type by specifying import % options. %% % Create an options object for the file. opts = detectImportOptions('outages.csv'); %% % Sepcify which variables to import using |readtable|, and then show a % summary. The data type of the selected variables is |char|. opts.SelectedVariableNames = {'Region','Cause'}; T = readtable('outages.csv',opts); summary(T) %% % Import text data as a |string| data type, and then create import options % by specifying the |TextType| name-value pair. opts = detectImportOptions('outages.csv','TextType','string'); %% % Sepcify which variables to import using |readtable|, and then show a % summary. The data type of the selected variables is now |string|. opts.SelectedVariableNames = {'Region','Cause'}; T = readtable('outages.csv',opts); summary(T)