[R] rename columns with pattern

[Jeff Newmiller]

Read the help page for the names function:

?names

... note particularly the examples section.

You might also find the fact that the paste0 function works on vectors to be helpful:

paste0( "bp_", 1:6 )
---------------------------------------------------------------------------
Jeff Newmiller                        The     .....       .....  Go Live...
DCN:<jdnewmil at dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live Go...
                                      Live:   OO#.. Dead: OO#..  Playing
Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
/Software/Embedded Controllers)               .OO#.       .OO#.  rocks...1k
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Sent from my phone. Please excuse my brevity.

On January 12, 2015 6:17:07 AM PST, Kuma Raj <pollaroid at gmail.com> wrote:
>I want to rename columns 1 to 6 in the sample data set as  bp_1 to
>bp_6. How could I do that in R?
>
>Thanks
>
>> dput(dff)
>structure(list(one = c(1.00027378507871, 0.982313483915127,
>1.1531279945243,
>1.07400410677618, 1.22710472279261, 1.19762271047046, 1.10904859685147,
>1.32060232717317), two = c(1.04707392197125, 1.00998288843258,
>1.17598904859685, 1.09595482546201, 1.28599589322382, 1.26632675564591,
>1.12986995208761, 1.30704654346338), three = c(1.06301619895049,
>1.02743782797171, 1.1977093315081, 1.11466803559206, 1.2949441022131,
>1.28365657768591, 1.1305452886151, 1.32089436459046), four =
>c(1.06994010951403,
>1.03489904175222, 1.19799452429843, 1.1172022587269, 1.28742984257358,
>1.27650013346977, 1.12265058179329, 1.30723134839151), five =
>c(1.07019712525667,
>1.03722792607803, 1.19174811772758, 1.11514168377823, 1.26594387405886,
>1.25720010677582, 1.11339630390144, 1.29178507871321), six =
>c(1.11111909650924,
>1.08407027150354, 1.24785877253023, 1.16373032169747, 1.31150581793292,
>1.31042514031455, 1.16205338809035, 1.37122975131189), idd = 1:8),
>.Names = c("one",
>"two", "three", "four", "five", "six", "idd"), row.names = c(NA,
>-8L), class = c("tbl_df", "data.frame"))
>>
>
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