R help - Feb 2012 - na.action in stats::factanal() must be using formula interface and dataframe input to specify na.action?

hi,
Does factanal() force the user to use the formula interface if they wish to
specify an na.action?

v1 <- c(1,1,1,1,1,1,1,1,NA,1,3,3,3,3,3,4,5,6)
v2 <- c(1,2,1,1,1,1,2,1,2,1,3,NA,3,3,3,4,6,5)
v3 <- c(3,3,3,3,3,1,1,1,1,1,1,1,1,1,1,5,4,6)
v4 <- c(3,3,4,NA,3,1,1,2,1,1,1,1,2,NA,1,5,6,4)
v5 <- c(1,1,1,1,1,3,3,3,3,3,1,1,1,1,1,6,4,5)
v6 <- c(1,1,1,2,1,3,3,3,4,3,1,1,1,2,1,6,5,4)
m1 <- data.frame(cbind(v1,v2,v3,v4,v5,v6))
factOut = factanal(m1, factors = 1,scores = "Bartlett",
na.action="na.exclude")
factOut = factanal(~v1+v2+v3+v4+v5+v6, data=m1, factors = 1,scores =
"Bartlett", na.action="na.exclude")

On 06.02.2012 18:42, Timothy Bates wrote:
> hi,
> Does factanal() force the user to use the formula interface if they wish to
specify an na.action?

Yes, as the help page says:

"na.action: The ?na.action? to be used if ?x? is used as a formula."

Uwe Ligges

> v1<- c(1,1,1,1,1,1,1,1,NA,1,3,3,3,3,3,4,5,6)
> v2<- c(1,2,1,1,1,1,2,1,2,1,3,NA,3,3,3,4,6,5)
> v3<- c(3,3,3,3,3,1,1,1,1,1,1,1,1,1,1,5,4,6)
> v4<- c(3,3,4,NA,3,1,1,2,1,1,1,1,2,NA,1,5,6,4)
> v5<- c(1,1,1,1,1,3,3,3,3,3,1,1,1,1,1,6,4,5)
> v6<- c(1,1,1,2,1,3,3,3,4,3,1,1,1,2,1,6,5,4)
> m1<- data.frame(cbind(v1,v2,v3,v4,v5,v6))
> factOut = factanal(m1, factors = 1,scores = "Bartlett",
na.action="na.exclude")
> factOut = factanal(~v1+v2+v3+v4+v5+v6, data=m1, factors = 1,scores =
"Bartlett", na.action="na.exclude")
>
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