Displaying 1 result from an estimated 1 matches for "totalcv".
2009 Sep 09
1
Stats help with calculating between and within subject variance and confidence intervals
...+within
> between # Between Run Variance
[1] 0.53155
> within # Within Run Variance
[1] 0.181825
> total # Total Variance
[1] 0.713375
> betweenCV<-sqrt(between)/grandmean * 100 # Between Machine CV%
> withinCV<-sqrt(within)/grandmean * 100 # Within Machine CV%
> totalCV<-sqrt(total)/grandmean * 100 # Total CV%
> #within confidence intervals (Chi Squared Method)
> withinLCB<-within/qf(1-a,8,Inf) # Within LCB
> withinUCB<-within/qf(a,8,Inf) # Within UCB
> #Between Confidence Intervals (Modified Large Sample Method)
> n1<-dfMachin...