[R] How to convert 3-digits hours

[Dieter Menne]

Wonjae Lee wrote:
> 
>> strptime('20110101 0900',"%Y%m%d %H%M") 
> [1] "2011-01-01 09:00:00" 
>> strptime('20110101 900',"%Y%m%d %H%M") 
> [1] NA
> 
> If I have a 3-digit hour like '900', please show me how to convert it to
> 09:00:00.
> 

d = c('20110101 900', '20110101 1900')
d1=  gsub(" (\\d\\d\\d)$"," 0\\1",d)
strptime(d1,"%Y%m%d %H%M")

Dieter


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