The Origin Forum
File Exchange
Try Origin for Free
The Origin Forum
Home | Profile | Register | Active Topics | Members | Search | FAQ | Send File to Tech support
Username:
Password:
Save Password
Forgot your Password? | Admin Options

 All Forums
 Origin Forum
 Origin Forum
 reg. obtaining factor loadings for PCA analysis
 New Topic  Reply to Topic
 Printer Friendly
Author Previous Topic Topic Next Topic Lock Topic Edit Topic Delete Topic New Topic Reply to Topic

drenuka

USA
7 Posts

Posted - 09/02/2012 :  6:28:05 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi,

I was wondering if there is a way to obtain the Factor Loadings in numbers instead of only in graphical presentation as seen when we do PCA using ORIGIN software.
For Scores we do obtain separate columns containing scores of the principal components for all the values in X-axis.
On the other hand, for Loadings we obtain values based on each sample and not based on X-axis.

For example if you have 1000 points for each sample in a group of 10 samples then Scores of PCs also has 1000 points while Loadings only have 10 points.

Thanks,
Renuka

DR

Kathy_Wang

China
159 Posts

Posted - 09/03/2012 :  01:28:30 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

There should be a result sheet named as "PCA Plot Data1" or similar, and in which there locates the data Origin uses to draw the Loading plot.

The relevant data will be marked "Loading Plot" in the column comment and "Principle Component1" or "Principle Component2" in long name.

Hope this information helps!

Kathy
Originlab
Go to Top of Page
  Previous Topic Topic Next Topic Lock Topic Edit Topic Delete Topic New Topic Reply to Topic
 New Topic  Reply to Topic
 Printer Friendly
Jump To:
The Origin Forum © 2020 Originlab Corporation Go To Top Of Page
Snitz Forums 2000