[R] Correlation Matrix

[sayan dasgupta]

Hi ,

 you can try using cov2cor(vcov(lm(calorie~height))) to get the correlation
matrix of estimated coefficients



boltonboy999 wrote:
> 
> Hi everyone,  
> 
> This is pretty urgent so if anyone can help that would be great.
> 
> I have a table of information.  The categories are weight, height,
> calories and skinfold.  There are 20 entries.  I have had to carry out
> linear regressions of calories on height, weight and on height and weight. 
> I have done this using the lm(calorie~height) function etc.
> 
> This has given me the 't' values I needed to proove significance etc.
> 
> Now I am trying to find the correlation matrix of estimated coefficients. 
> Can anyone tell me how to do this?
> 
> Thanks in advance
> 

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