Re: [R] Merge two vectors into one

2014-03-23 Thread Frans Marcelissen
Why not simply > a<-1:3 > b<-4:5 > c(a,b) [1] 1 2 3 4 5 2014-03-22 23:22 GMT+01:00 Tham Tran : > Dear R users, > > Given two vectors x and y > a=1 2 3 > b=4 5 6 > > i want to combine them into a single vector z as 1 4 2 5 3 6 > > Thanks for your help > > Tham > > > > -- > View this message in c

Re: [R] Simulating from the Weibull with right censoring

2014-03-23 Thread David Winsemius
On Mar 23, 2014, at 9:14 PM, Lucy Leigh wrote: > Hi everyone, > > I am currently attempting to simulate some survival data, based on a Weibull > model. I basically need to simulate some survival data > so that I can then test out a program I'm writing, before applying it to some > real data. >

Re: [R] Simulating from the Weibull with right censoring

2014-03-23 Thread Lucy Leigh
Hi Dennis, Thanks for your feedback. I do apologise, I omitted the lines of code that created the censoring variable, I was focused more on altering the actual outcome times. So it is actually more like this, if (outcomeType == 'Weibull'){ Y[i] <- rweibull(1, shape, shape)) } if (

[R] Simulating from the Weibull with right censoring

2014-03-23 Thread Lucy Leigh
Hi everyone, I am currently attempting to simulate some survival data, based on a Weibull model. I basically need to simulate some survival data so that I can then test out a program I'm writing, before applying it to some real data. I've managed to create failure time data, using the rweibull

Re: [R] Merge two vectors into one

2014-03-23 Thread Rolf Turner
On 24/03/14 08:37, David Winsemius wrote: On Mar 22, 2014, at 3:22 PM, Tham Tran wrote: Dear R users, Given two vectors x and y a=1 2 3 b=4 5 6 i want to combine them into a single vector z as 1 4 2 5 3 6 One way: c( matrix(c(a,b), nrow=2, byrow=TRUE) ) It is more perspicuous to use

Re: [R] points with-in boundaries of a map

2014-03-23 Thread Ted Harding
On 23-Mar-2014 22:50:50 Jim Lemon wrote: > On 03/23/2014 10:29 PM, eliza botto wrote: >> Thankyou very much jim. it worked! but regarding second part of my >> question, isn't there a way to read the coordinates of intersecting >> lines with the premises of the map? > > Hi Eliza, > I think you want

Re: [R] points with-in boundaries of a map

2014-03-23 Thread eliza botto
Thankyou very much. I actually knew abt this command, I just wanted to have a more direct command instead of manual.But anyway, thankyou very much indeed.:DEliza > Date: Mon, 24 Mar 2014 09:50:50 +1100 > From: j...@bitwrit.com.au > To: eliza_bo...@hotmail.com > CC: r-help@r-project.org > Subject

Re: [R] points with-in boundaries of a map

2014-03-23 Thread Jim Lemon
On 03/23/2014 10:29 PM, eliza botto wrote: Thankyou very much jim. it worked! but regarding second part of my question, isn't there a way to read the coordinates of intersecting lines with the premises of the map? Hi Eliza, I think you want the "locator" function, which will return the coordin

Re: [R] Customise a symbol in a scatterplot with for loop

2014-03-23 Thread Jim Lemon
On 03/24/2014 07:00 AM, amcc wrote: Hi, I have the code below to generate a pentagon in R. I have generated a regular scatterplot and need to draw a scatterplot with a pentagon at each (x,y) position, for the radius use r x 0.3. The hint I've been given is that I do not need to store the polygo

[R] What formula does the acf() function use?

2014-03-23 Thread C W
Dear list, I am curious about how R computes the autocorrelation? What formula does it use? Theoretical or sample ACF? I have tried to type acf in the R console, but I don't understand what it is actually doing besides the basic if...else... statement. Could someone help me read this output? >

Re: [R] Customise a symbol in a scatterplot with for loop

2014-03-23 Thread Jeff Newmiller
Please read the Posting Guide... this is not a homework help forum. Please use the assistance provided by your educational institution for homework. --- Jeff NewmillerThe . . Go Live.

[R] Customise a symbol in a scatterplot with for loop

2014-03-23 Thread amcc
Hi, I have the code below to generate a pentagon in R. I have generated a regular scatterplot and need to draw a scatterplot with a pentagon at each (x,y) position, for the radius use r x 0.3. The hint I've been given is that I do not need to store the polygons in a list, simply construct and dr

Re: [R] Merge two vectors into one

2014-03-23 Thread David Winsemius
On Mar 22, 2014, at 3:22 PM, Tham Tran wrote: > Dear R users, > > Given two vectors x and y > a=1 2 3 > b=4 5 6 > > i want to combine them into a single vector z as 1 4 2 5 3 6 One way: c( matrix(c(a,b), nrow=2, byrow=TRUE) ) Leaving in the usual footer because Nabble's interface usually o

Re: [R] points with-in boundaries of a map

2014-03-23 Thread eliza botto
Thankyou very much jim. it worked! but regarding second part of my question, isn't there a way to read the coordinates of intersecting lines with the premises of the map?thanks, Eliza > Date: Sun, 23 Mar 2014 14:19:43 +1100 > From: j...@bitwrit.com.au > To: eliza_bo...@hotmail.com > CC: r-help@r

Re: [R] time series processing - count of datestamp delta's, per group

2014-03-23 Thread Stephan Kolassa
Hi Martin, it sounds like you want the difference between the first and the last observation per user, not, e.g., all the date differences between successive observations of each separate user. Correct me if I'm wrong. That said, let's build some toy data: set.seed(1) dataset <- data.frame(U

[R] R task views graph representation

2014-03-23 Thread paul sorenson
I created a graph of the R task views using python to scrape the HTML, networkx to construct the graph at runtime then dumped it out as a graphviz dot file. Finally creating an SVG file with dot: see http://metrak.com/R/taskview.svg I was wondering what people find useful for visualising grap