similar to: Auto Data in the ISLR Package

myAuto <- Auto[ grep("ford|toyota",Auto$name),] myAuto$Make <- NA myAuto$Make[grep("ford",myAuto$name)] <- "Ford" myAuto$Make[grep("toyota",myAuto$name)] <- "Toyota" Regards, Eric On Sun, Dec 17, 2017 at 11:58 AM, AbouEl-Makarim Aboueissa < abouelmakarim1962 at gmail.com> wrote: > Dear Eric: > > Thank you very much.

myAuto <- Auto[ grep("ford|toyota",Auto$name),] On Sat, Dec 16, 2017 at 10:28 PM, Bert Gunter <bgunter.4567 at gmail.com> wrote: > I did not care to load the packages -- small reproducible examples are > preferable, as the posting guide suggests. > > But, if I have understood correctly: > > See, e.g. ?subset > > Alternatively, you can read up on

Dear Eric: Thank you very much. It works nicely. *Just one more thing;* how to create a new variable (say, *Make*) with *Make = Ford* for the ford brand and *Make = T**oyota* for the toyota brand. Once again thank you all. abou ______________________ *AbouEl-Makarim Aboueissa, PhD* *Professor of Statistics* *Department of Mathematics and Statistics* *University of Southern Maine* On

I did not care to load the packages -- small reproducible examples are preferable, as the posting guide suggests. But, if I have understood correctly: See, e.g. ?subset Alternatively, you can read up on indexing data frames in any good basic R tutorial. Cheers, Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." --

That probably works in this case, but it would cause grief if another car make had "ford" somewhere inside its name e.g. "bedford". Safer general practice is Auto[Auto$name %in% c("ford", "toyota"),] or similar using subset(). -pd > On 17 Dec 2017, at 09:10 , Eric Berger <ericjberger at gmail.com> wrote: > > myAuto <- Auto[

Dear All: It was saved, but there was a space somewhere. So it works for me now. I do have another similar problem. I saved an R data file save(datahs0csv,file=" F:\Fall_2017\5-STA574\2-Notes\1-R\1-R_new\chapter4-Entering_Data/datahs0csv2 .rda") *The new R data file "*datahs0csv2.rda*" is in the directory.* I tried to load the file "" to R, but I got an error

Dear All: I am trying to load an R data set, but I got the following message. Please see below. The file is there. setwd("F:/Fall_2017/5-STA574/2-Notes/1-R/1-R_new/chapter4-Entering_Data") datahs0csv <- read.table("hs0.csv", header=T, sep=",") attach(datahs0csv) detach(datahs0csv) rm(list=ls()) Then I tried to reload the data, but I got this error message. I

The object you load has the same name as the object you saved. In this case datahs0csv and not the name of the file sans .rda On Di., 12. Sep. 2017, 21:26 AbouEl-Makarim Aboueissa < abouelmakarim1962 at gmail.com> wrote: > Dear All: > > > It was saved, but there was a space somewhere. So it works for me now. > > I do have another similar problem. > > I saved an R

Dear All: I am trying to install the package "diagram". It is in the list. But when I selected the package to install it, it says: Question: "would you like to use a personal library instead?" I selected No. Then it says > utils:::menuInstallPkgs() Warning in install.packages(NULL, .libPaths()[1L], dependencies = NA, type = type) : 'lib = "C:/Program

Dear All: One more thing. I want to add the normal curve to the histogram. Is there away to stretch the peak of the curve to the top of the histogram or at least near to the top of the histogram. Please see the code below. Lizard.tail.lengths <- c(6.2, 6.6, 7.1, 7.4, 7.6, 7.9, 8, 8.3, 8.4, 8.5, 8.6,8.8, 8.8, 9.1, 9.2, 9.4, 9.4, 9.7, 9.9, 10.2, 10.4, 10.8,11.3, 11.9) x<-seq(5,12, 0.001)

Dear All: good morning I am trying to install the "" package, but I am getting this error message. *> utils:::menuInstallPkgs()* *Warning in install.packages(NULL, .libPaths()[1L], dependencies = NA, type = type) :* * 'lib = "C:/Program Files/R/R-3.4.1/library"' is not writable* *Error in install.packages(NULL, .libPaths()[1L], dependencies = NA, type = type) : *

Dear All: I am wondering if there is a way in R to draw these two circles with shaded tracks in both circles using R, and make both circles uncovered. I am trying to make it in MS words, but I could not. Your help will be highly appreciated. In my previous post I added the image of the two circles, but the post never published. I just thought to resent the post again without the image. with

Dear All: good morning I am trying to graph the function y=f(x)=1/x over the interval (-5,5). But I am getting an error message. Please see below. I am getting the error message: *Error in xy.coords(x, y, xlabel, ylabel, log) : * * 'x' and 'y' lengths differ* x x <- seq(-5, 5, 0.01) y < 1/x plot(x,y, type='l', xlim=c(-5, 5), ylim=c(-5, 5), xlab = "x",

Dear All: When I selected "yes" to the question Question: "would you like to use a personal library instead?", it works thanks any way abou ---------- Forwarded message ---------- From: AbouEl-Makarim Aboueissa <abouelmakarim1962 at gmail.com> Date: Wed, Aug 16, 2017 at 11:58 AM Subject: Install package "diagram" To: r-help at r-project.org Dear All: I am

Hi Abou, Try this: library(plotrix) curve(rescale(dnorm(x ,mean=mean(Lizard.tail.lengths),sd=sd(Lizard.tail.lengths)), c(0,6)),add=TRUE, col=2, lwd = 2) Jim On Mon, Sep 25, 2017 at 9:35 AM, AbouEl-Makarim Aboueissa <abouelmakarim1962 at gmail.com> wrote: > Dear All: > > One more thing. > > I want to add the normal curve to the histogram. Is there away to stretch > the

What if you answer 'Yes' ? On Wed, Sep 20, 2017 at 1:03 PM, AbouEl-Makarim Aboueissa < abouelmakarim1962 at gmail.com> wrote: > Dear All: good morning > > I am trying to install the "" package, but I am getting this error message. > > > *> utils:::menuInstallPkgs()* > *Warning in install.packages(NULL, .libPaths()[1L], dependencies = NA, type >

Hi Abou, You haven't saved the datahs0csv. When you are done manipulating datahs0csv you can use save(datahs0csv, file = 'datahs0csv.rda'). Then you should be able to load the data. HTH Ulrik On Tue, 12 Sep 2017, 20:46 AbouEl-Makarim Aboueissa < abouelmakarim1962 at gmail.com> wrote: > Dear All: > > I am trying to load an R data set, but I got the following message.

Dear All: Just fixed where is the problem I am trying to use the R function "svm" with "type~." , but I got the following error message SVM.Model1 <- svm(type ~ ., data=my.data.x1x2y, *type='C-classification'*, kernel='linear',scale=FALSE) *Error in eval(predvars, data, env) : object 'type' not found* I am wondering if I should install a

That code nees the plotrix package: library(plotrix) pdf("circles.pdf") plot(0:10,type="n",axes=FALSE,xlab="",ylab="") draw.circle(4,5,radius=3,border="#ff0000aa",lwd=10) draw.circle(6,5,radius=3,border="#0000ffaa",lwd=10) dev.off() On Friday, December 29, 2017, 6:06:32 PM EST, Jim Lemon <drjimlemon at gmail.com> wrote:

Hi Abou, Without an illustration it's hard to work out what you want. here is a simple example of two circles using semi-transparency. Is this any help? pdf("circles.pdf") plot(0:10,type="n",axes=FALSE,xlab="",ylab="") draw.circle(4,5,radius=3,border="#ff0000aa",lwd=10) draw.circle(6,5,radius=3,border="#0000ffaa",lwd=10) dev.off()