arquivo do R

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R version 3.0.1 (2013-05-16) -- "Good Sport"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i386-w64-mingw32/i386 (32-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> 2+4
[1] 6
> 2+4/2+5*3
[1] 19
> log(100)
[1] 4.60517
> sqrt(16)
[1] 4
> factorial(4)
[1] 24
> trunc(4.7)
[1] 4
> round(4.79,1)
[1] 4.8
> runif(10) [1] 0.65151276 0.98917683 0.42237769 0.92015102 0.59623680 0.50862530 [7] 0.71851193 0.07012801 0.01415437 0.01102329
> x x [1] 0.1281943 0.8694582 0.4729740 0.6667661 0.4367585 0.4696918 0.8627372 [8] 0.4660577 0.9125054 0.6629932
> x x [1] 7.488664e-01 4.864404e-01 5.858924e-01 8.305282e-01 2.719552e-01 [6] 3.196861e-02 9.710506e-01 4.926978e-01 7.882557e-01 5.317531e-01 [11] 9.666688e-01 3.858698e-01 9.522272e-01 8.034394e-01 7.009501e-01 [16] 9.893377e-01 2.075187e-01 6.616312e-01 5.164825e-01 9.716278e-01 [21] 7.058117e-01 3.611146e-01 1.268273e-01 5.112961e-01 3.829474e-01 [26] 2.280602e-01 6.856149e-01 7.967044e-01 5.219840e-01 7.674503e-01 [31] 2.509957e-01 2.897800e-01 4.774007e-01 2.832939e-01 9.291205e-01 [36] 4.059052e-03 2.912842e-01 4.794509e-01 3.935190e-01 3.063634e-01 [41] 2.655854e-01 3.438078e-02 8.026289e-01 6.304448e-01 9.511370e-01 [46] 8.541499e-01 4.315360e-01 9.882380e-01 9.547691e-01 1.122767e-01 [51] 7.179704e-01 3.892730e-01 6.441195e-01 7.553716e-01 1.941519e-01 [56] 8.970718e-01 3.038872e-01 1.420934e-01 9.839826e-01 4.675144e-01 [61] 5.473200e-01 6.038038e-03 6.007499e-01

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