Displaying 2 results from an estimated 2 matches for "vs1a".
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v1a
2012 Apr 16
1
How to create a data.frame from several time series?
...ok at my code below. The problems start where it says #
PROBLEMS START HERE. Some sample data is at the very bottom.
This is the disgnostic output from the script:
> source('load.R')
ts.null
1 NA
2 NA
3 NA
4 NA
5 NA
6 NA
[1] "Adding data" "VS1A"
ts.null VS1A.ts.null VS1A.tts
1 NA NA NA
2 NA NA NA
3 NA NA 1.585324
4 NA NA 1.326600
5 NA NA 1.914382
6 NA NA 1.333249
[1] "Adding data" "VS1B"
Error in get(as.characte...
2012 May 08
2
How to deal with a dataframe within a dataframe?
...access the individual columns of that
vector in the resulting dataframe though. How is this done correctly?
Thanks, robert
> agg <- aggregate(formula=df$value ~ df$quarter + df$tool,
+ FUN=cp.cpk, lsl=1300, usl=1500)
> head(agg)
df$quarter df$tool df$value
1 09Q3 VS1A 1.800534, 1.628483
2 10Q1 VS1A 1.299652, 1.261302
3 10Q2 VS1A 1.699018, 1.381570
4 10Q3 VS1A 1.311681, 1.067232
> head(agg["df$value"])
df$value
1 1.800534, 1.628483
2 1.299652, 1.261302
3 1.699018, 1.381570
4 1.311681, 1.067232
> class(agg[&qu...