Getting error using Linear Discriminant Analysis(LDA) in MATLAB.

5 views (last 30 days)
I am trying to classify training and testing data using LDA classify in MATLAB R2018b and getting error.
Error : Error using classify
TRAINING must have more observations than the number of groups.
I have following matrics for training and testing.
feature_training= 1440 x 9
class_training= 1440 x 1
feature_testing= 1152 x 9
class_testing= 1152 x 1
Note: I already have more Training Elements than Testing Elements.
[error_training,error_testing,classification_training,classification_testing]...
= ldaclassify(feature_training,feature_testing,class_training,class_testing);
Where ldaclassify, is below function.
function [TrainErr,TestErr,TrainPredict,TestPredict] = ldaclassify(TrainData,TestData,TrainClass,TestClass)
TrainPredict = classify(TrainData,TrainData,TrainClass);
TestPredict = classify(TestData,TrainData,TrainClass);
TrainErr = sum(TrainPredict ~= TrainClass)/length(TrainClass)*100;
TestErr = sum(TestPredict ~= TestClass)/length(TestClass)*100;
end

Answers (0)

Categories

Find more on Statistics and Machine 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!