Training and splitting a custom dataset
Show older comments
Hello there, everyone. I recently worked in Matlab using deep learning and made the dataset in the program, but I don't know how to split and train this data
DatasetMatlab.mat .... this dataset , and consist of three parts
parts :-
1- LabelData
2- DataSource
3- LabelDefinitions
Answers (1)
Sulaymon Eshkabilov
on 29 Jan 2023
In this case, there are a few ways - cvpartition() and datasample() to split/partition the data into training and test data sets, e.g.:
X = INPUT_Data;
Y = OUTPUT_Data;
rng("default"); % For reproducibility
n = length(Y);
%% cvpartition()
C = cvpartition(n, "HoldOut", 0.25); % Randomly selected 25% of data are used for testing and 75% for training
INDEXtrain = training(C,1);
INDEXtest = ~ INDEXtrain;
X_test = X(INDEXtest,:);
Y_test = Y(INDEXtest,:);
X_train = X(INDEXtrain,:);
Y_train = Y(INDEXtrain,:);
...
%% datasample()
NSample = 200; % 200 data sets are taken randomly for training
[Xtrain, Xtrain_Idx] = datasample(XYData, NSample);
Categories
Find more on Deep Learning Toolbox in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!