search for: oceanografia

...function to convert these dates to a julian dates and so plot that variables?? The help files as.POSIXlt, POSIXt and others don't aswer my doubts... DateTimeClass convert my "dates" to a format POSIX and so i can plot?? Thanks for any help! -- Marcelo Alexandre Bruno - Pos-graduacao Oceanografia Biologica Departamento de Oceanografia - Laboratorio de Ecologia do Ictioplancton (0xx53) 2336529 - Rio Grande - RS - BRAZIL -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info&...

...5.998 3.33e-09 *** f1^5 -0.292748 0.077436 -3.781 0.000171 *** ... f1^10 0.182789 0.082543 2.214 0.027145 * f1^11 0.329844 0.094470 3.492 0.000513 *** What does mean f1.L, f1.Q, f1.C ?? Thanks in advance. -- Marcelo Alexandre Bruno - Pos-graduacao Oceanografia Biologica Departamento de Oceanografia - Laboratorio de Ecologia do Ictioplancton (0xx53) 2336529 - Rio Grande - RS - BRAZIL -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info&...

...) a specific value, e.g., "99", without having to assign each object at a time. is there a way I can do this within a "for" cycle? I have tested several eval and parse statements but with no success. Regards, Nuno Prista ____________________________ PhD student Instituto de Oceanografia Faculdade de Ci?ncias da Universidade de Lisboa Campo Grande, Lisboa, 1749-016 Lisboa, Portugal

...grees of freedom as described in Ljung and Box (1978) paper? Note: this issue was discussed in http://tolstoy.newcastle.edu.au/R/help/06/03/22768.html (and thread) but it seems with little consensus. Thanks in advance, Nuno ______________________________________________ Centro de Oceanografia - IO-FCUL, Portugal Center for Quantitative Fisheries Ecology - ODU, USA [[alternative HTML version deleted]]

...ectral analysis of unevenlly sampled data?? something like spec.lomb() for S-Plus?? How to plot a vector with unequally spaced time series?? e.g day/month/year V1 03/08/82 0.34 28/08/82 1.42 12/09/82 0.28 20/09/82 0.56 03/10/82 0.85 21/10/82 1.45 thanks -- Marcelo Alexandre Bruno - Pos-graduacao Oceanografia Biologica Departamento de Oceanografia - Laboratorio de Ecologia do Ictioplancton (0xx53) 2336529 - Rio Grande - RS -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", &q...

...3 3 3 sum(ranks(z)) ans= 28 ### then apply multiple comparisions for many other data SE<-sqrt(n*(n*k)*(n*k+1)/12) # according Zar,JH. Bioestatistical # Analysis sec.12.6, on pg. 199 Thanks for any helps Marcelo A. BRUNO --# Oceanographer # --# FURG - Dpto.Oceanografia # --# CP 474 - RIO GRANDE - RS # --# CEP 96.200-000 BRAZIL # ##############################

...irPassengers), max(AirPassengers+500)), ylab="") par(new=T) monthplot(AirPassengers, col="blue", ylim=c(min(AirPassengers), max(AirPassengers+500)), ylab="") Greetings from Norfolk, Nuno Prista ______________________________________________ Instituto de Oceanografia - FCUL, Portugal Center for Quantitative Fisheries Ecology - ODU, USA [[alternative HTML version deleted]]

Dear colleagues, Can anyone of you tell me how to write a "nabla" symbol in an R graph? Thanks in advance, Nuno ______________________________________________ Centro de Oceanografia - IO-FCUL, Portugal Center for Quantitative Fisheries Ecology - ODU, USA [[alternative HTML version deleted]]

...The first series has period 6 and shows its periodicity in 1/6 and harmonics. In the second series I was expecting to see a signal occurring at frequency 1/5 but it does not. Can anybody explain me why? Thanks in advance, Nuno ______________________________________________ Centro de Oceanografia - IO-FCUL, Portugal Center for Quantitative Fisheries Ecology - ODU, USA email: nmprista*@fc.ul.pt ; nprista*@odu.edu [[alternative HTML version deleted]]

Dear Rcommunity, I hope this email finds you well. I am writing to seek your assistance with a data visualization problem I am facing while working with R. Problem Description: I have a dataframe named "df" containing the following columns: "longitude", "latitude", "sea_currents_mag", and "sea_currents_direction". The dataframe includes sea

Dear All, Could anyone?give me a hand?to suggest few packages in R to running Kalman prediction and filtration ? Thanks Fir

...ng like this: while (Idontpressthe_Y_key) { (1) process all files already produced (2) wait for new files that are yet to be produced (3) see if I am pressing key Y (go to (1) if I am not, and quit the loop if I am) } Many thanks in advance, Bruno ------------------------ Bruno Jesus Centro de Oceanografia Campo Grande 1740-016 Lisboa Portugal