Why do I receive 'You must pass class labels as a vector.' error?

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clear; clc;
X_train = readmatrix("x_train.csv",'NumHeaderLines',1);
X_test = readmatrix("x_test.csv",'NumHeaderLines',1);
y_train = readmatrix("y_train.csv",'NumHeaderLines',1);
y_test = readmatrix("y_test.csv",'NumHeaderLines',1);
model = fitcsvm(X_train, y_train, 'KernelFunction','rbf');
Here's my code. After trying to run I receive this error (error is in attached screenshot):

Answers (1)

Hiro Yoshino
Hiro Yoshino on 15 Oct 2022
It said the y_train is not a vector.
The argument should be any on of: categorical array, string array, character array, logical array, numerical array, cell array.
You should make sure you give right data for x and y respectively.

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