[R] Unexpected output in first iteration of for-loop

[jim holtman]

It doing exactly what you asked it to do.  You have the assignment:

result <- latentVariableNames

and then you print it out in the loop.  What were you expecting?

On Wed, Feb 10, 2010 at 9:06 PM, Chaehan So <chaehan.so at gmail.com> wrote:
> Dear r-helpers,
>
> why do I get an output in the first iteration of the for-loop
> which contains the string values of the input vector,
> and how can I avoid that?
>
> Here's the output (only line 1 is wrong)
>
>  latentVariable   Indiv Group
> 1      rPlanning rIterat  rTDD
> 2      rPlanning    0.79  0.84
> 3        rIterat    0.79  0.83
> 4           rTDD     0.9  0.96
> 5       rStandup    0.83  0.82
> 6        rRetros     0.9  0.95
> 7        rAccess    0.91  0.92
> 8       rAccTest    0.87   0.9
>
> #####
> LV <- c("rPlanning", "rIterat", "rTDD", "rStandup", "rRetros", "rAccess",
> "rAccTest")
> #####
> loopCronbach <- function(latentVariableNames, groupingVariable)
> {
> result <- latentVariableNames
> names(result) <- c("latentVariable", "Indiv", "Group")
>  for (currentName in latentVariableNames)
> {
> print(currentName)
> print(result)
> tmp1 <- calculateIndividualCronbach(get(currentName))
> tmp2 <- calculateGroupCronbach(get(currentName), groupingVariable)
> result <- rbind(result,data.frame(latentVariable=currentName,
> Indiv=tmp1,Group=tmp2))
> }
> return(result)
> }
>
>
> a <- loopCronbach(LV, u_proj)
>
>        [[alternative HTML version deleted]]
>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?