Eliminating confounding and discovering
6 important questions on Eliminating confounding and discovering
What is an inception cohort?
What is the formula of simple regression?
outcome=model+error
How do you use effect modification in regression?
So for example
Knee Ext Stri = b0 + b1*Bodymass+ b2*Gender + b3*Bodymass*Gender
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How do you enter categorical variables into your regression model?
Assumptions for the regression model?
Non-zero variance
No perfect multicollinearity
Predictors are uncorrelated with external variables
Homoscedasticity
Independent errors
Normally distributed errors
Independence
Linearity
What can you do if assumptions are violated?
Change model
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