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Introduction
R is an opensource statiscs software system licensed under GPL.
It is the GNU version of the S statistical analysis language,
since R, same as S-Plus, inherits from S, R is a sister of SPlus in some sense.
How to get quantiles of F distribution
Use the qf() function. pf(quantile, df1,df2).
Also, you could use df, pf, and rf to get density, probability, and random generation for F distribution.
Similarly, for student's T distribution, use qt,dt,pt and rt. For normal distribution,
use qnorm, etc.
> qf(0.975, 2, 12)
[1] 5.095867
How to load data from an external data file
Use the read.table function, e.g.,
> M read.table(file "doc/stt825/hw3/beans.txt", sep ",");
> M
V1 V2 V...[more] |
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