search for: winter

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=&quot...

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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 by the seasons but in the order I specify since alphapetically would not put the season in sequential order I tried the following and...

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 10.750567 2.285075 n...

...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 wa...

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, 0.59340659...

...day of the year (ie Jan 1 = 1 and so on). This appears to be very accurate. The second function takes a given date, extracts the year, determines the number of days in it, and uses the first function to calculate the hours of daylight in each day, and returns the longest or shortest one (Summer or Winter Solstice). But, in the case of leap years and non leap years, the date returned is identical, as is evidenced by Jan 1 in the provided examples being 170 days from summer solstice in both 2008 and 2007. This was not the case, the solstice should vary by one day between these years. Code is provided...

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 nein Ost 6 10.750567 2.285075 n...

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 46 49 2001 Winter 12.861364 26.239583 52.350000 23.376068 16.428889 22 8 8...

> 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 46 > 49 > 2001 Winter 12.861364 26.239583 52.350000 23.376068 16.4288...

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 in Minnesota in the winter you measure snow by the feet and temperatures to the negative. So when the Solstice comes on Decembe...

...: # $ Date?? : Date, format: "2000-10-01" "2000-10-02" ... # $ FluxDay: num? 1512 1448 1411 1366 1327 ... DailydoSum<-funSumSeason(Dailydo)# your function DailydoSum #??????? season? FluxDay #1??? 2000 Fall 8363.762 #2? 2000 Spring 4161.240 #3? 2000 Summer 8875.132 #4? 2000 Winter 5019.069 #5??? 2001 Fall 3113.716 #6? 2001 Spring 3099.716 #7? 2001 Summer 3806.159 #8? 2001 Winter 4793.602 #9??? 2002 Fall 7408.762 #10 2002 Spring 4161.240 #11 2002 Summer 9070.132 #12 2002 Winter 5136.069 #13?? 2003 Fall 3141.716 #14 2003 Spring 3346.716 #15 2003 Summer 4546.159 #16 2003 Winter...

...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 lwd.ticks If anyone has an idea, sincerely heres the script windows(width=7,height=7) plot(data$Winter,data$NbFirstBroods,ylab="number of breeding pairs",xlab="winter harshness",cex=1.5,cex.lab=1.5,cex.axis=1.5,font.axis=2,axes=FALSE) points(data$Winter,data$NbFirstBroods,cex=1.5,col="black",pch=19) abline(lm(data$NbFirstBroods~data$Winter),col="red",lwd=4) i...

...bout the method used. Any suggestions to obtain predictions with se's from an nlme would be appreciated. eal R Version 2.2.1 (2005-12-20 r36812) mac osx 10.4.5 on G5 DP > predict(kew11.nlme,x.for.lw.pred, se=T) Error in predict.nlme(kew11.nlme, x.for.lw.pred, se = T) : Levels 1. Fall-Winter,2. Spring,3. Summer,4. Fall not allowed for Season > x.for.lw.pred[1:10,] Season ecoreg MBreed ageyr2 sheep farm 1 1. Fall-Winter desert Meat 0.60 1 AksToKa 2 2. Spring desert Meat 1.00 1 AksToKa 3 3. Summer desert Meat 1.25...

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 from 8:00 to 7:00 and then users can login without the problem. My question is why samba (tdbsam)...

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, pl...

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...

...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)) names(data.frame1)<-c('Season','Gear','Area','COD','POLL') data.frame2<-as.data.frame(matrix(c('winter','dredge','515',13,24,18),1,6)) names(data.frame2)<-c('Season',...

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]]