search for: ctpeix

Displaying 5 results from an estimated 5 matches for "ctpeix".

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Data handling
2013 Oct 15
2
Data handling
...s.POSIXct (teste$TimeCC) I lost the fraction of seconds. If I use: teste$TimeCC = as.POSIXct(strptime (teste$TimeCC, format = "%F %H:%M:%OS4")) I lost all information and get just <NA>. Thanks in advanced, -- Raoni Rosa Rodrigues Research Associate of Fish Transposition Center CTPeixes Universidade Federal de Minas Gerais - UFMG Brasil rodrigues.raoni@gmail.com dput of input data structure(list(Date = c("06/19/13", "06/19/13", "06/19/13", "06/19/13", "06/19/13", "06/19/13"), Time = c("22:15:39", "22:15...
Strange data frame behavior
2012 Sep 25
2
Strange data frame behavior
...ppeared from data_frame2's structure? And what I have to do to eliminate it definitively from my new data frame (data_frame2)? Sorry for this basic question, but I really did not understand... Thanks in advanced, Raoni -- Raoni Rosa Rodrigues Research Associate of Fish Transposition Center CTPeixes Universidade Federal de Minas Gerais - UFMG Brasil rodrigues.raoni at gmail.com
Formula in a data-frame
2012 Sep 18
2
Formula in a data-frame
...quot;, "Fooditem", "Occurrence", "Volume"), class = "data.frame", row.names = c(NA, -12L)) sessionInfo() R version 2.15.1 (2012-06-22) Platform: i386-pc-mingw32/i386 (32-bit) Windows XP -- Raoni Rosa Rodrigues Research Associate of Fish Transposition Center CTPeixes Universidade Federal de Minas Gerais - UFMG Brasil rodrigues.raoni at gmail.com
Data frame manipulation
2012 Nov 23
2
Data frame manipulation
...onceição Junho 1 3 16h 1.518510 12 Conceição Junho 1 3 17h 1.041390 13 Conceição Junho 2 3 6h 2.465383 Some one could give me some ideas? I don't even know how to start... Thanks in advanced, -- Raoni Rosa Rodrigues Research Associate of Fish Transposition Center CTPeixes Universidade Federal de Minas Gerais - UFMG Brasil rodrigues.raoni@gmail.com wrong data frame: structure(list(Local = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "Conceição", class = "factor"), Mês = structure(c(2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L), .Lab...
Mean calculation by two variables
2013 Jan 16
1
Mean calculation by two variables
...s = c("Specie", "Food.item", "MWi"), class = "data.frame", row.names = c(NA, -9L)) * * sessionInfo() R version 2.15.2 (2012-10-26) Platform: i386-w64-mingw32/i386 (32-bit) Windows XP * * -- Raoni Rosa Rodrigues Research Associate of Fish Transposition Center CTPeixes Universidade Federal de Minas Gerais - UFMG Brasil rodrigues.raoni@gmail.com [[alternative HTML version deleted]]