Showing posts with label frequency. Show all posts
Showing posts with label frequency. Show all posts

Thursday, 21 May 2015

How to find frequency, cummulative frequency, percent  and cumulative percent using R-console:

Ex.
> var1=c(23,26,24,25,26,23,26,25,25,27,24,24,22,22)
> freq=table(var1)
> cumfreq=cumsum(freq)
> pct=freq*100/length(var1)
> cumpct=cumsum(pct)
> cbind(freq, cumfreq,pct,cumpct)
   freq            cumfreq               pct                cumpct
22                    2       2             14.285714       14.28571
23                    2       4             14.285714       28.57143
24                    3       7             21.428571       50.00000
25                    3      10            21.428571       71.42857
26                    3      13            21.428571       92.85714
27                    1      14            7.142857         100.00000