search for: oceanografia

Displaying 12 results from an estimated 12 matches for "oceanografia".

2002 Jul 23
2
Converting dates?
...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&...
2002 Aug 20
1
About lm()
...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&...
2011 Feb 21
3
assign value to multiple objects with a given ls pattern
...) 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
2008 May 16
2
Box.test degrees of freedom
...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]]
2002 May 17
1
Spectral Analysis
...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...
2003 Apr 15
1
About kruskal.test
...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 # ##############################
2007 Nov 16
1
monthplot () - axis change color
...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]]
2008 Jun 19
2
how to write symbol (nabla) in R graph
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]]
2008 Mar 27
6
help! - spectral analysis - spec.pgram
...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]]
2023 Jul 25
2
Seeking Assistance: Plotting Sea Current Vectors in R
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
2010 Aug 13
2
Kalman filter
Dear All, Could anyone?give me a hand?to suggest few packages in R to running Kalman prediction and filtration ? Thanks Fir
2008 Jan 15
3
How to interrupt a loop by pressing a key?
...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