[R] Extraneous full stop in csv read

[jim holtman]

or use the 'check.names = FALSE':

> x <- read.csv(text = '"yr","mo","Data","in"
+ 1895,1,8243,8.243
+ 1895,2,2265,2.265
+ 1895,3,2340,2.34
+ 1895,4,1014,1.014
+ 1895,5,1281,1.281
+ 1895,6,58,0.058
+ 1895,7,156,0.156
+ 1895,8,140,0.14
+ 1895,9,1087,1.087
+ 1895,10,322,0.322
+ 1895,11,1331,1.331
+ 1895,12,2428,2.428
+ 1896,1,7156,7.156
+ 1896,2,712,0.712
+ 1896,3,2982,2.982
+ ', check.names = FALSE)
> str(x)
'data.frame': 15 obs. of  4 variables:
 $ yr  : int  1895 1895 1895 1895 1895 1895 1895 1895 1895 1895 ...
 $ mo  : int  1 2 3 4 5 6 7 8 9 10 ...
 $ Data: int  8243 2265 2340 1014 1281 58 156 140 1087 322 ...
 $ in  : num  8.24 2.27 2.34 1.01 1.28 ...


Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.

On Wed, Jun 28, 2017 at 7:30 PM, John <jwd at surewest.net> wrote:

> I ran into a puzzling minor behaviour I would like to understand.
> Reading in a csv file, I find an extraneous "." after a column header,
> "in" [short for "inches"] thus, "in.". Is this due to "in" being
> reserved?  I initially blamed this on RStudio or to processing the data
> through LibreCalc. However, the same result occurs in a console R
> session.  Sending the file to the console via less reveals no strange
> characters in the first line.  The data is California statewide
> rainfall which was screen captured from the Western Regional Climate
> Center web site.
>
> First 15 lines including header line:
>
> "yr","mo","Data","in"
> 1895,1,8243,8.243
> 1895,2,2265,2.265
> 1895,3,2340,2.34
> 1895,4,1014,1.014
> 1895,5,1281,1.281
> 1895,6,58,0.058
> 1895,7,156,0.156
> 1895,8,140,0.14
> 1895,9,1087,1.087
> 1895,10,322,0.322
> 1895,11,1331,1.331
> 1895,12,2428,2.428
> 1896,1,7156,7.156
> 1896,2,712,0.712
> 1896,3,2982,2.982
>
> File read in as follows:
>
> x <- read.csv('DRI-mo-prp.csv', header = T)
>
> Structure:
>
>  str(x)
> 'data.frame':   1469 obs. of  4 variables:
>  $ yr  : int  1895 1895 1895 1895 1895 1895 1895 1895 1895 1895 ...
>  $ mo  : int  1 2 3 4 5 6 7 8 9 10 ...
>  $ Data: int  8243 2265 2340 1014 1281 58 156 140 1087 322 ...
>  $ in. : num  8.24 2.27 2.34 1.01 1.28 ...
> [note "in" is now "in."]
>
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