How to find Effect Size in Regression Analysis? Cohen's f Effect Size formula 

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Thanks for sharing Sir.

Though it is short, but significant one....

Thank you so much. it's really helpful Do you any video on how to calculate effect size for logistic regression

Thank you so much.

So sir the effect size for both predictors will be same in this presentation that you have shown as an example?

I have done a regression analysis on a dataset, but due to the way the data is, one of the variable is getting a negative coefficient in the final equation. Eg. Y = aX1 - bX2. But I know for sure that the variable X2 has a positive effect on Y. So, my question is: What to do when your regression or correlation analysis gives you a coefficient which is either of opposite sign or of low magnitude but you theoretically know that for sure the variable has a positive and a strong influence.please help

Do you have any links to your videos on step-wise regression analysis