How to find 'within group correlation'?

3 次查看（过去 30 天）
Alexis Fiddemon
Alexis Fiddemon 2020-7-26
回答： Jeff Miller 2020-7-27
I am new to matlab and I'm working on a problem with training data X and target data t. The target t is either 1 or 0 denoting which class the rows of X belong to. X is a 179x2 matrix, and I'm supposed to find the "within group correlation" between two variables x1 and x2 for each class. Can anyone explain how to do this? The professor's notes don't mention this at all

请先登录，再回答此问题。

回答（1 个）

Jeff Miller
Jeff Miller 2020-7-27
I would guess the idea is this:
grp0 = t == 0;
grp1 = t == 1;
corr(x(grp0,:))
corr(x(grp1,:))

类别

在 Help Center 和 File Exchange 中查找有关 Statistics and Machine Learning Toolbox 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by