[R] new column from column in another df

If I have a data frame where a species occupies several rows with different phases such as (both col's ar factors): species,phase Populus tremula,1 Populus tremula,2 Populus tremula,3 Calluna vulgaris,1 Calluna vulgaris,2 Betula alba,1 Betula alba,2 Betula alba,3 Primula veris,1 Primula veris,2 a

[R] table with values as dots in increasing sizes

I was just thinking of a way to present data and if it is possible in R. I have a data frame that looks as follows (this is just mockup data). df location,"species1","species2","species3","species4","species5" "loc1",0.44,0.28,0.37,-0.24,0.41 "loc2",0.54,0.62,0.34,0.52,0.71 "loc3",-0.33,0.75,-0.

[R] Display list redraw incomplete when exporting plots

I was just wondering if anyone knows what could be the problem with my exporting of plots. Below is the error messages I get when trying to export my plots (all error messages at the same time). I do get a file produced which works but I don't know why these messages appear. Doesn't matter if it i

[R] remove black square from factor plot

I have a factor which is species and the variables are a few sites where this species live. When I plot: plot(species.factor, minlatitudemaxlatitude) the plot produced is automatically a boxplot which shows the range of the species (which is what I want). However, in the thin box which is produ

[R] combine vectors in an alternating way

I have two vectors min 0.2, 0.3, 0.6, 0.1 max 0.4,0.5,0.7,0.4 Is there a way to combine these two vector so that the values will be taken from the vectors alternating so that I will get a new minmaxminmaxminmax-vector? minmax 0.2,0.4,0.3,0.5,0.6,0.7,0.1,0.4 Any help is much appreciated -- Vi

Re: [R] referencing last row in a column

OK, got it to work now, just messed up the ","' and ":". Thank you! -- View this message in context: http://r.789695.n4.nabble.com/referencing-last-row-in-a-column-tp2551645p2551721.html Sent from the R help mailing list archive at Nabble.com. __ R-he

Re: [R] referencing last row in a column

Sorry, but now I understand what you're doing, and it works as a stand-alone in the console! :) But why doesn't it work in the xlim? __ > pheno.dt$year[1] [1] 1877 > pheno.dt$year[nrow(pheno.dt)] [1] 1916 > plot(x,y, x

Re: [R] referencing last row in a column

Thanks, but I have multiple entries for each year so the column reads: year 1877 1877 1877 1877 1878 1878 1878 1878 1879 1879 1879 1879 So I need to pick out the year from the last row rather than just counting rows. -- View this message in context: http://r.789695.n4.nabble.com/referencin

[R] referencing last row in a column

I am trying to set u a limit for my plot window according to the range of a year column I have. The first year in the range is just simply the first row, referred to as data$year[1]. How can I find the last row in a similar way to set the last year in the range? What I want to accomplish is the f

[R] shuffling of data

I have a file that reads like this: Species,Year,Julian_day Alnus_glutinosa, 1873, 123 Sorbus_aucuparia, 1873, 122 (more species...) Alnus_glutinosa, 1874, 134 Sorbus_aucuparia, 1874, 143 (more species and years) Is there a way to plot this as julian day over years so that each species g