R version 2.5.0 (2007-04-23)
Copyright (C) 2007 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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Error in options(device = x11) : object "x11" not found
> if(!exists("baseenv", mode="function")) baseenv <- function() NULL
options(STERM='iESS', editor='emacsclient')
> > 
> source("../hmwrk1Data.R")
[1] "The variables defined here are x1, x2, p1 and f1"
> length(x1)
[1] 10
> oddInd <- seq(1,9, by=2)
> oddInd
[1] 1 3 5 7 9
> y1 <- x1[oddInd]
> x1
 [1]  1.1 -2.3  2.5  0.5 -3.2 -4.0  5.2 -2.2 -2.2  3.0
> y1
[1]  1.1  2.5 -3.2  5.2 -2.2
> y2 <- x1
> y2[x1 <= 0] <- 0
> y2
 [1] 1.1 0.0 2.5 0.5 0.0 0.0 5.2 0.0 0.0 3.0
> y3 <- log(x2)
> y3
[1] 1.6094379 2.0794415 0.6931472 1.1939225 1.7227666 2.1041342 1.4816045
> yy <- log(x1)
Warning message:
NaNs produced in: log(x) 
> yy
 [1]  0.09531018         NaN  0.91629073 -0.69314718         NaN         NaN
 [7]  1.64865863         NaN         NaN  1.09861229
> m <- sum(x1*p1)
> m3 <- sum( (x1-m)^3 *p1)
> y4 <- as.integer(x1 <= 0)
> y4
 [1] 0 1 0 0 1 1 0 1 1 0
> sum(x1 <=0)
[1] 5
> f1
 [1] M M F f f F m m M M F
Levels: F M f m
> f2 <- f1
> f2[f1 == "m"] <- "M"
> f2[f1 == "f"] <- "F"
> f2
 [1] M M F F F F M M M M F
Levels: F M f m
> f3 <- factor(as.character(f2))
> f3
 [1] M M F F F F M M M M F
Levels: F M
> ?dnorm
> pnorm(2)
[1] 0.9772499
> pnorm(0)
[1] 0.5
> qnorm(.95)
[1] 1.644854
> q()
Save workspace image? [y/n/c]: n

Process R:2 finished at Mon Sep 10 14:35:24 2007