On Tuesday, November 26, 2002, at 05:46 PM, tlumley@u.washington.edu
wrote:
>
>
>> 2) Under MacOS 10.2.2. Given the following dataset:
>>
>>> summary(missing.data)
>> Hosp..No. Category Offset Side
>> r060093: 4 F Post op 0.5 year :62 Min. :-5.8333 L: 63
>> r023250: 3 E Pre op 0.5 year :54 1st Qu.:-0.4167 R:141
>> r026316: 3 H Post op 1.5 years :44 Median : 7.7083
>> r032583: 3 G Post op 1 year :41 Mean :14.2623
>> r036827: 3 I Post op 2 years : 3 3rd Qu.:27.0833
>> r055869: 3 A Pre op > 2.5 years: 0 Max. :47.6667
>> (Other):185 (Other) : 0
> <snip>
>> The line:
>>
>> sprintf("%s\t%1.0f", missing.data$Hosp..No., missing.data$V1)
>>
>> always crashes R.
>
> Yes, that's because missing.data$Hosp..No. isn't a string,
it's a
> factor. In R 1.6.0 this gives an error rather than a crash.
>
> You probably want
>
> sprintf("%s\t%1.0f", as.character(missing.data$Hosp..No.),
> missing.data$V1)
>
>
>
> -thomas
>
yes, also
sprintf("%s\t%1.0f", levels(missing.data$Hosp..No.), missing.data$V1)
will work