X and Y do not have the same number of observations.

Question

sun rise 2021-9-5

1
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1446869-x-and-y-do-not-have-the-same-number-of-observations

评论： Walter Roberson 2021-9-26

setup_folders;
sadtrdinfo = dir(sad1train);  % Returns both folders and files
% sad = dir(pwd);  % Returns both folders and files
sorted_cell_array_of_train_folder_names = setdiff({sadtrdinfo([sadtrdinfo.isdir]).name},{'..','.'});  % Select folder names
% cell_array_of_train_folder_names( strncmp( cell_array_of_train_folder_names, ".", 1 ) ) = []; % Remove '.' and '..'
%sorted_cell_array_of_train_folder_names = sort_nat( cell_array_of_train_folder_names );
% sorted_cell_array_of_train_folder_names = cell_array_of_train_folder_names; % if you don't have sort_nat
whos sorted_cell_array_of_train_folder_names
%----------------
np = numel(sorted_cell_array_of_train_folder_names); % number of subfolders
train_cats = categorical(sorted_cell_array_of_train_folder_names);
Group_Train1 = cell(np,1);
for i = 1 : np
	SFN = sorted_cell_array_of_train_folder_names{i};% extract his name
    traintifpattern = fullfile(sad1train, SFN, tiffwild);
	tifListdinfo = dir(traintifpattern); % list all jpg files
    tifList = fullfile({tifListdinfo.folder}, {tifListdinfo.name});
	
    ms1 = numel(tifList); % ms = number of image files found
    Group_Train1{i} = repmat(train_cats(i), ms1, 1);
end
Group_Train1 = vertcat(Group_Train1{:});
save('Group_Train','Group_Train1');