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...have completed the SQL and SAS analysis, so now it's R's turn. Calculate mean values of x (x=count) for each date in the dataset where mean = the average count of days [t-9] through day [t-3] for each date/illness combination. Dataset aggpilot date illness x 1 2006/01/01 DERM 319 2 2006/01/02 DERM 388 3 2006/01/03 DERM 336 4 2006/01/04 DERM 255 5 2006/01/05 DERM 177 6 2006/01/06 DERM 377 7 2006/01/07 DERM 113 8 2006/01/08 DERM 253 9 2006/01/09 DERM 316 10 2006/01/10 DERM 187 11 2006/01/11 DERM 292 12 2006/01/12...

...tions. Warning: I am new to R by two days. I have a simple dataset. I have loaded the dataset successfully using the following code: Filepath=(C:\temp\\pilot\dataset1.txt") Pilot=read.table(filepath, header=TRUE) Dataset1.txt is delimited and looks like this: Date illness count 2006/01/01 derm 17 2006/01/01 derm 35 2006/01/02 derm 24 2006/01/02 derm 80 . . . Total records like this approximately 18,000 I would like to use the aggregate function to sum the count by similar date and illness, so it should look like this after the aggregate 2006/01/01 derm 52 2006/01/02 derm 104 . . . An...

...dition: Warning message: In open.connection(con, "r") : unable to connect to 'cran.r-project.org' on port 80. Mark Crawford Land Resource Officer Resource Assessment and Information, Planning and Assessment, South East Region Department of Environment and Resource Management (DERM) Telephone 07 5451 2267 Mobile 0413 490 985 Facsimile 07 5451 2260 Email Mark.Crawford@derm.qld.gov.au www.derm.qld.gov.au +----------------------------------------------------------------+ Think B4U Print 1 ream of paper = 6% of a tree and 5.4kg CO2 in the atmosphere 3 sheets of A4 paper = 1 l...

...ckages on R2.14.1 > > Check browser proxy settings and run R.exe with the proper flags to use them from cmd. > Hope that helps, > Ken > > > On Jan 15, 2012, at 8:44 PM, Ben Bolker <bbolker@gmail.com> wrote: > >> Crawford Mark <Mark.Crawford <at> derm.qld.gov.au> writes: >> >>> >>> Hi, >>> Have just recently downloaded R version 2.14.1 and can't install >>> packages (Code below), 32bit version on windows. From the looks of >>> things access is the problem but I don't know where to...