[R] rounding up to nearest integer

Nordlund, Dan (DSHS/RDA) NordlDJ at dshs.wa.gov
Tue May 25 19:16:19 CEST 2010


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Mohan L
> Sent: Monday, May 24, 2010 6:26 PM
> To: r-help at r-project.org
> Subject: [R] rounding up to nearest integer
> 
> Dear All,
> 
> I have a data frame "data"  and the below is the str of "data" :
> 
> $ Feb   : int  1 1195 0 11 28 152 24 2 1 1470 ...
>  $ Mar   : int  0 1212 0 17 27 184 15 1 1 1311 ...
>  $ Apr   : int  2 1244 1 15 23 135 11 0 1 991 ...
>  $ May   : int  2 1158 2 10 23 111 16 1 1 1237 ...
>  $ Jun   : int  0 845 1 9 16 86 16 2 1 1129 ...
>  $ Jul   : int  0 832 0 7 16 68 9 1 0 994 ...
>  $ Aug   : int  0 1107 1 4 25 144 7 0 3 1260 ...
>  $ Sep   : int  2 1278 1 8 53 212 14 0 3 1375 ...
>  $ Oct   : int  3 1329 0 8 39 201 13 0 0 1340 ...
>  $ Nov   : int  1 1179 0 5 7 135 2 0 0 1153 ...
>  $ Dec   : int  0 1271 0 7 34 168 5 1 2 1792 ...
>  $ Jan.10: int  0 1405 1 10 55 245 26 2 4 2806 ...
>  $ Feb.10: int  0 1330 1 9 29 360 27 3 6 3492 ...
>  $ Mar.10: int  0 1727 0 8 7 341 8 2 4 4578 ...
>  $ Apr.10: int  0 1530 1 8 12 144 7 2 2 5453 ...
> 
> I am doing some this like this :
> 
> > x <- (data[,-(1:2)] - data[,2]) * prop.table(data[,2]) + data[,2]
> > x
>            Feb          Mar          Apr          May          Jun
> Jul
> 1     1.000000    0.9999597    1.0000403    1.0000403    0.9999597
> 0.9999597
> 2  1292.610851 1293.5003225 1295.1746211 1290.6749436 1274.2982103
> 1273.6180264
> 
> Now the str of "x" is :
> 
> > str(x)
> 'data.frame':    32 obs. of  15 variables:
>  $ Feb   : num  1 1293 0 5 18 ...
>  $ Mar   : num  1 1294 0 5 18 ...
>  $ Apr   : num  1 1295 0 5 18 ...
>  $ May   : num  1 1291 0 5 18 ...
>  $ Jun   : num  1 1274 0 5 18 ...
>  $ Jul   : num  1 1274 0 5 18 ...
>  $ Aug   : num  1 1288 0 5 18 ...
>  $ Sep   : num  1 1297 0 5 18 ...
>  $ Oct   : num  1 1300 0 5 18 ...
>  $ Nov   : num  1 1292 0 5 18 ...
>  $ Dec   : num  1 1297 0 5 18 ...
>  $ Jan.10: num  1 1303.6 0 5 18 ...
>  $ Feb.10: num  1 1300 0 5 18 ...
>  $ Mar.10: num  1 1320 0 5 18 ...
>  $ Apr.10: num  1 1310 0 5 18 ...
> 
> I need to round up the data frame some thing like this :
> 
>       Feb          Mar          Apr          May          Jun
> Jul
> 1     1              1                1               1             1
>         1
> 2  1293         1294           1295          1291       1274       1274
> 
> there may be a way to round up the nearest integer. any help will be
> greatly
> appropriated.
> 
> Thanks & Rg
> Mohan L
> 

If you truly want to round up, look at

?ceiling

Hope this is helpful,

Dan

Daniel J. Nordlund
Washington State Department of Social and Health Services
Planning, Performance, and Accountability
Research and Data Analysis Division
Olympia, WA 98504-5204




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