Re: [R] convert one digit numbers to two digits one

2013-11-06 Thread Barry Rowlingson
All these suggestions of using 'sprintf' might be right but you might be doing it wrong... If you are working with times, then use the date/time classes and the handy functions for working on them. Which means the lubridate package, most likely. Are these times part of a calendar time, or are the

Re: [R] convert one digit numbers to two digits one

2013-11-06 Thread Marc Schwartz
On Nov 6, 2013, at 10:25 AM, Alaios wrote: > Hi all, > the following returns the hour and the minutes > > paste(DataSet$TimeStamps[selectedInterval$start,4], > DataSet$TimeStamps[selectedInterval$start,5],sep=":") > [1] "12:3" > > the problem is that from these two I want to create a time stam

Re: [R] convert one digit numbers to two digits one

2013-11-06 Thread Bert Gunter
(Assuming I understand) tons of ways of doing this. So I'll just point out the ?nchar function, which you can use to count characters in your tail end and paste a "0" if there's only one, e.g. via ifelse() . -- Bert On Wed, Nov 6, 2013 at 8:25 AM, Alaios wrote: > Hi all, > the following returns

Re: [R] convert one digit numbers to two digits one

2013-11-06 Thread David Winsemius
On Nov 6, 2013, at 8:25 AM, Alaios wrote: > Hi all, > the following returns the hour and the minutes > > paste(DataSet$TimeStamps[selectedInterval$start,4], > DataSet$TimeStamps[selectedInterval$start,5],sep=":") > [1] "12:3" > > the problem is that from these two I want to create a time stamp

[R] convert one digit numbers to two digits one

2013-11-06 Thread Alaios
Hi all, the following returns the hour and the minutes paste(DataSet$TimeStamps[selectedInterval$start,4], DataSet$TimeStamps[selectedInterval$start,5],sep=":") [1] "12:3" the problem is that from these two I want to create a time stamp so 12:03. The problem is that the number 3 is not converte