On Thu, Nov 11, 2010 at 11:33 AM, Noah Silverman
<n...@smartmediacorp.com> wrote:
> Still doesn't work.
>
> When using rbind to build the data.frame, it get a structure mostly full of
> NA.
> The data is correct, so something about pushing into the data.frame is
> breaking.
>
> Example code:
> results <- data.frame()
>
> for(i in 1:n){
> #do all the work
> #a is a test label. b,c,d are numeric.
> results <- rbind(results, c(a,b,c,d))
> }
Works for me:
results <- data.frame()
n = 10
for(i in 1:n){
a = LETTERS[i];
b = i;
c = 3*i + 2
d = rnorm(1);
results <- rbind(results, c(a,b,c,d))
}
> results
X.A. X.1. X.5. X.0.142223304589023.
1 A 1 5 0.142223304589023
2 B 2 8 0.243612305595176
3 C 3 11 0.476795513990516
4 D 4 14 1.0278220664213
5 E 5 17 0.916608672305205
6 F 6 20 1.61075985995586
7 G 7 23 0.370423691258896
8 H 8 26 -0.0528603547004191
9 I 9 29 -2.07888666920403
10 J 10 32 -1.87980721733655
Maybe there's something wrong with the calculation you do?
Peter
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