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# Feddback Regression

Optuma Forums Feature Requests Feddback Regression

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• #57961
Thomas
• Topics: 59
• Replies: 84
• Posts: 143

Hi Mathew,

first of all I want thank you really very much for your tireless efforts to make Optuma still better. I am very curious about v1.6 with all its new tools and improvements.

Concerning your video about the use of regression, correlation, alpha, and beta I am very pleased to hear that you make the current somewhat confusing calculations about r-squared to a consistent and comparable one.

In this regard I want mention for those interested in this topic a forum post in which we have already discussed this matter intensively. The link is: https://forum.optuma.com/topic/regression-r-squared/

Concerning “beta” I want ask you Mathew whether you have also changed the calculation from normal percentage calculation to LN calculation as I have described it in the post “Beta #2”? The link to this post: https://forum.optuma.com/topic/beta-2/

Thanks again for your great efforts to make Optuma the best technical and quantitative analysis program available.

Thomas

#57965
Thomas
• Topics: 59
• Replies: 84
• Posts: 143

Thomas

• This reply was modified 3 weeks, 2 days ago by Thomas.
#57969
Mathew
• Topics: 28
• Replies: 1,335
• Posts: 1,363

Hi Thomas,

Thanks for the reminder – I still need to look into this.

Since Beta is the slope of the regresion line, and all four values (correlation, alpha, beta, and r²) are components of the same regression calculation, they would all use the Ln instead of % change. I believe that is the expected behaviour but please let me know if you think otherwise.

All the best

Mathew

#57971
Thomas
• Topics: 59
• Replies: 84
• Posts: 143

Hi Mathew,

that is exactly my thinking. All calculations should use the Ln instead of the % change calculations.

Thanks

Thomas

#57977
Mathew
• Topics: 28
• Replies: 1,335
• Posts: 1,363

Ok – example of the new calculations on the Beta Post https://forum.optuma.com/topic/beta-2/

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