[R] equating approximate values

Hello List, I am having trouble finding the command for my problem. I have two arrays x and y. now i would like to compare the values of x and y and then get the index of x which is exactly or approximately equal(+/- some value ) to the values in y. x - runif(100,min=0,max=5) y -

Re: [R] equating approximate values

this is exactly what i wanted. How to i select only the minimum value from this?. thank you My apologies: you need an abs() call as well: which(abs(outer(x, y, -)) threshold, arr.ind = TRUE) Michael -- View this message in context:

[R] ggplot2 question ...

i have this data with me...i am only copying part of data here... date time 2011-05-2304:31:17 2011-05-2304:31:20 2011-05-2304:31:22 2011-05-2304:31:25 2011-05-2304:31:27 2011-05-2304:31:18 2011-05-2304:31:20 2011-05-2304:31:22 2011-05-23

[R] gplot data manipulation question

i have this data with me...i am only copying part of data here... date time 2011-05-2304:31:17 2011-05-2304:31:20 2011-05-2304:31:22 2011-05-2304:31:25 2011-05-2304:31:27 2011-05-2304:31:18 2011-05-2304:31:20 2011-05-2304:31:22 2011-05-23

Re: [R] plotting date data over couple of months

thank you for your reply.. As i have told you earlier... i want to plot the total no.of birds counted for each day and plot total no.of birds for each day.. one level for each day .. i wanted to normalize the data.. since i don't have the data for equal no.of hours for all days.. for example

[R] plotting date data over couple of months

Hi .. i am a beginner in R I have data in the format of date 04/27/11 04/27/11 04/30/11 04/30/11 05/03/11 05/03/11 05/04/11 Now i want to plot the data something like this on x-axis... -- 27 28 29 30 1 2 3 4 April

Re: [R] plotting date data over couple of months

I am sorry i was not clear in my early post I have used the below code to change my data into date format.. r-as.POSIXlt(paste(data2$date,data2$time)) library(gsubfn) library(chron) r-as.chron(r) data2$date-strftime(strptime(r, format=(%m/%d/%y %H:%M:%S)),%Y-%m-%d)

Re: [R] plotting date data over couple of months

I am sorry again.. I am posting the sample data.. my data set is huge.. dimension of my data set is 5 x 6 scan.nobird.no date time height 1 24 52011-04-2921:17:56 357 2 78 48

Re: [R] plotting date data over couple of months

i am sorry again.. this is my dataset.. 'data.frame': 46376 obs. of 19 variables: $ scan.no : int 24 78 61 64 64 64 65 73 79 82 ... $ track.no : int 5 48 105 122 124 121 123 380 1073 1093 ... $ blip.no : int 70 323 514 547 549 553 558 5355 7014 7119 ... $ date : chr