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normal21
2012 Nov 08
3
difference percentile R vs SPSS
Dear list,
I am calculating the 95th percentile of a set of values with R and with SPSS
In R:
> normal200<-rnorm(200,0,1)
> qnorm(0.95,mean=mean(normal200),sd=sd(normal200),lower.tail =TRUE)
[1] 1.84191
In SPSS, if I use the same 200 values and select Analyze -> Descriptive Statistics -> Frequencies
and under "Statistics", I type in '95' under Percentiles, then the outp...