[Rd] sprintf crash (PR#2327)

[Stefano Iacus]

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