search for: pmbrando

...;l") ### It does not recognize the colunm "Date". Why? Thanks in advance! Paulo ________________________________________ Paulo M. Brando Instituto de Pesquisa Ambiental da Amazonia (IPAM) Santarem, PA, Brasil. Av. Rui Barbosa, 136. Fone: + 55 93 522 55 38 www.ipam.org.br E-mail: pmbrando at ipam.org.br

Dear All, I've tried to sum columns -- different species of flowers, fruits plus twigs -- with NAs to get litterfall/trap, and then after use litterfall to calculate production (litterfall (grams)/ hectare/ day. But R 'sees' litterfall/trap as a string. My question: How to use basic mathematical functions to deal with NAs in data management. Example (as you can note I have many

...gt; My best regards and thanks in advance! > > Paulo > ________________________________________ > Paulo M. Brando > Instituto de Pesquisa Ambiental da Amazonia (IPAM) > Santarem, PA, Brasil. > Av. Rui Barbosa, 136. > Fone: + 55 93 3522 55 38 > www.ipam.org.br > E-mail: pmbrando at ipam.org.br

Hi all, Does anybody know the easiest way to import excel data into R? I copied and pasted the excel data into a txt file, and tried read.table, but R reported that Error in read.table("data_support.txt", sep = " ", header = T) : more columns than column names Thanks! Ling

...p=0 Score (logrank) test = 588 on 2 df, p=0 My best regards and thanks in advance! Paulo ________________________________________ Paulo M. Brando Instituto de Pesquisa Ambiental da Amazonia (IPAM) Santarem, PA, Brasil. Av. Rui Barbosa, 136. Fone: + 55 93 3522 55 38 www.ipam.org.br E-mail: pmbrando at ipam.org.br -----Mensagem original----- De: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] Em nome de r-help-request at stat.math.ethz.ch Enviada em: Wednesday, March 08, 2006 3:00 AM Para: r-help at stat.math.ethz.ch Assunto: R-help Digest, Vol 37, Issue 8...

Dear All, I have tried to calculate tree mean growth but I think the structure I used below (growthresumo) is not the most elegant, even though it worked. The only problem I had in this first part was that I cannot use 'summary', just 'mean' (sorry but 'R' is pretty new for me). >growthresumo <-