[R] Converting text to numbers

Hi, I have Forecast Class and Observed Class in a data matrix as below. Sample1 FCT OBS 1 1 5 2 2 4 3 3- 3+ 4 3 3 5 3+ 3- 6 4 2 7 5 1 I want to find the difference between Observed and Forecast Classes. How can I get this done? I tried to following to convert the 1

Re: [R] Converting text to numbers

Hi David, Thank you for your help. It worked! Daniel Chan -Original Message- From: David Barron [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 27, 2006 9:29 PM To: Dan Chan; r-help Subject: Re: [R] Converting text to numbers Then, I tried to convert them to numbers using

[R] Summary()

Hi, I have a dataframe(FireDanger) that contains weather data (T, RH, WS, etc) measured at 27 stations. I want to do a quantile summary for each variable at each station. quantile(FireDanger$RH, probs=seq(0,1,0.1), na.rm=T) summary(FireDanger) are close, but not quite. Is there a single

[R] trimming a factor

Hi, I have the following dataframe. The County Column has many empty spaces at the end. I want to cut out the empty space and put them back into the dataframe. How can this be done? head(DailyCounty) Date County GFCPer GFCEquip Acre nFires Date2 1 2001-01-04

[R] clogit question

Hi, I am playing with clogit(case~spontaneous+induced+strata(stratum),data=infert) from clogit help file. This line works. 1. But, why strata(stratum) doesn't have a coefficient like spontaneous and induced? 2. When I remove strata(stratum) from the command, this function seems to keep

[R] Date in dataframe manipulation

Hi, I have a dataframe with many columns, including date and I want to keep only a few of the columns including date column. I used the following command: with(FireDataAppling, cbind(STARTDATE, County, TOTAL, CAUSE) It works, but the date becomes days from Jan 1, 2001.

Re: [R] Date in dataframe manipulation

Chan -Original Message- From: Marc Schwartz (via MN) [mailto:[EMAIL PROTECTED] Sent: Friday, March 24, 2006 9:22 PM To: Dan Chan Cc: r-help@stat.math.ethz.ch Subject: Re: [R] Date in dataframe manipulation On Fri, 2006-03-24 at 15:29 -0500, Dan Chan wrote: Hi, I have a dataframe

[R] Selecting from a Dataframe

Hi, I have a data frame with many fields and there are many records. One of the fields is county names in Georgia. I want to select all the records for 3 of the counties. How can I do that? DailyCounty is the dataframe that holds the data. One of the fields is County. The following

[R] How to evaluate a Variable Name?

Hi, I have a dataframe Wash2005, which has daily weather data. I am doing a regression by month as follows: # FM10 Regression by Month # Plot 12 Month of OFM10, FFM10 for(i in 1:12) { Temp - subset (Wash2005, MM == i) assign( paste('Wash2005FM10', strtrim(month.name[i],3),

[R] Plotting Text on a graph

Hi, I plotted 12 graphs on a page and output to a png file. I wanted to have an overall title for all 12 graphs. What command can I use to do this? Below is the code that plotted the 12 graphs in one page. # FM10 by Month/ Export the plot to Wash2005FM10.png

[R] Dynamic Variable

Hi all, I have a file with a dozen weather stations with a dozen weather variables. I am trying to get a percentile of each variable for each station. I imported the file into a data frame Data. To get the percentile for Temperature for Baxley weather station, I used the following 2