search for: winters

I am trying to extract only the winters (defined to be 01-Dec through 28-Feb) of daily data from 1948-2002. There are 90 days in each winter season. I wrote the following code to gather the winter dates into a single vector: DJF <- NULL for(year in 1949:1999) { temp.begin <- strptime(paste("01/12", year-1, sep="...

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Hello all, I cannot seem to figure out this seemingly simple procedure. I want to sort a data frame by a specified character vector. So for : df.. <- data.frame(Season=rep(c("Summer","Fall","Winter","Spring"),4),Obs= runif(length(rep(c("Summer","Fall","Winter","Spring"),4)))) I want to sort the data frame

my data looks like this: PM10 Ref UZ JZ WT RH FT WR 1 10.973195 4.338874 nein Winter Dienstag ja nein West 2 6.381684 2.250446 nein Sommer Sonntag nein ja Süd 3 62.586512 66.304869 ja Sommer Sonntag nein nein Ost 4 5.590101 8.526152 ja Sommer Donnerstag nein nein Nord 5 30.925054 16.073091 nein Winter Sonntag nein nein Ost 6

...1 1 1 1 ... $ quant : num 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0 ... The numeric column ('x' in zoo, I believe) is associated with the unique combination of param, sampdate, and stream in each row. For example: tail(streamdata) stream sampdate param quant 11164 Winters 2010-06-30 SO4 120.000 11165 Winters 2010-06-30 Zn 0.010 11166 Winters 2011-06-06 As 0.005 11167 Winters 2011-06-06 Cl 5.000 11168 Winters 2011-06-06 SO4 150.000 11169 Winters 2011-06-06 Zn 0.010 I'm in the early exploratory stage of understanding these data, but wan...

A rather strange situation here and I've not found the source of the problem. The point is to print a ternary plot matrix of compositional data with ellipses enclosing 95% of the variance in each plot. The ellipses display on the monitor, dev = x11cairo (see attached winters-x11cairo.pdf), but not when sent directly to a file, dev = pdf (see attached winters-pdf.pdf). Here's winters.acomp: structure(c(0.0666666666666667, 0.0612244897959184, 0.0434782608695652, 0.043956043956044, 0.05, 0.0161290322580645, 0.6, 0.571428571428571, 0.623188405797101, 0.593406593...

Hello, I've come across a problem in developing a set of custom functions to calculate the number of hours of daylight at a given latitude, and the number of days a date precedes or secedes the summer solstice. I discovered an inconsistency concerning leap years between my derived values and those from the US naval databases. It seems as far as I can figure that my inconsistency arises either

dear R users, my data looks like this PM10 Ref UZ JZ WT RH FT WR 1 10.973195 4.338874 nein Winter Dienstag ja nein West 2 6.381684 2.250446 nein Sommer Sonntag nein ja Süd 3 62.586512 66.304869 ja Sommer Sonntag nein nein Ost 4 5.590101 8.526152 ja Sommer Donnerstag nein nein Nord 5 30.925054 16.073091 nein Winter Sonntag nein

Hi, I'd like to know if the Holt-Winters function in R can modify the alpha paremeter in an "intelligent" way. I know it can vary from 0 to 1. Wich mathematical formula does it use to calculate the correct value of alpha? Thanks, bye. Carlo

Hi R users Here is an example of my data (only a small part) Year Season A_Time R_Time O_Time All_Time AandR_Time A_number R_number O_number AandR_number all_number 1999 Winter 9.590741 35.312963 42.759524 23.228431 18.164815 18 9 7 27 34 2000 Winter 9.899537 47.945000 59.744444 20.301333 18.170290 36 10 3

> Hi R users > Here is an example of my data (only a small part) > > Year Season A_Time R_Time O_Time All_Time AandR_Time > A_number R_number O_number AandR_number all_number > 1999 Winter 9.590741 35.312963 42.759524 23.228431 18.164815 > 18 9 7 27 > 34 > 2000 Winter 9.899537 47.945000 59.744444 20.301333

While the big box stores and shopping malls run black Friday sales, and in recent years many of the online retailers have began to have black Monday sales. Leave it up to the wacky folks at Codeweavers to have a 30% off Winter Solstice Sales on CrossOver Mac and Linux. Why a Winter Solstice sale you might ask, well you see CodeWeavers has their headquarters in Minneapolis St. Paul Minnesota and

Hi Irucka, No problem. I guess this could be done using: Sample data: Dailydo<- structure(list(Date = structure(c(11231, 11232, 11233, 11234, 11235, 11236, 11207, 11208, 11209, 11179, 11180, 11181, 11151, 11152, 11123, 11093, 11064, 11065, 11035, 11036, 11008, 11009, 10979, 10980, 11347, 11348, 11380, 11381, 11410, 11406, 11438, 11439, 11470, 11502, 11528, 11560, 11561, 11593, 11594,

Hello, I am trying to increase the thickness of the axis in plot() without reverting to the use of paint programs i see posts on that topic for the xyplot function but want to see if i can do it with plot() because i've already setup my graph script using that i thought i could use axis() function and specify lwd="thickness" or lwd.axis= but that does not work like it does for

I am trying to make predictions with se's using a nlme (kew11.nlme below). I get an error indicating levels for a factor are not allowed. I have searched and read Rnews, MEMSS, MASS, R-Help, and other lists in Spanish where I found questions similar to mine but not solution. I do not really care about the method used. Any suggestions to obtain predictions with se's from an nlme

Hello I have usrmgr.exe (form NT server ver.5.1) to manage user accounts of samba.(one year ago) I set logon hours from 8:00 to 16:00. My server (Fedora 7) changed the time correctly from winter to sumer (+ 1 hour). I chenged hardware time clock -w (write system clock to hardware clock synchro). But users cant' login at 8:00 morning !!!! I must back logon hours one hour back in usrmgr

Hello, Responsys anticipates hiring an intern or junior statistician this fall or winter. Our group was formally Loyalty Matrix - a leader in using R for customer intelligence and direct marketing optimization. We acquired by Responsys this Spring. We anticipate hiring one or two R fluent interns or statisticians this fall and/or winter. If you are interested in being considered, please

I'm trying to find a good open source software to do sales forecasting using Holt Winters and Box Jenkins time series algorithm. Somebody pointed me that R is the best open source available for statistical computing. Are there functions to do Holt Winters and Box Jenkins time series prediction in R? If there is none, can some one point me a good GNU/freeware to do the sales forecasting...

Hi, I'm looking to combine two data frames. Several of the columns are in common while the others need to be summed up. The apply functions and the merge functions don't seem to be working. I've included a basic example of what I'm trying to do below. Thanks! Sean data.frame1<-as.data.frame(matrix(c('winter','dredge','515',100,150),1,5))

Dear Members, I have been searching for a package in R which can handle multiple seasonality suggested by taylor(2003). It will be great help if anybody has used this on R before (i.e. which package). Thanks in Advance. Best Regards Atul Malik [[alternative HTML version deleted]]