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4 results for “from:dolar”

simple data manipulation question
dolar · Dec 9, 2009 · r-help

Hi there I have a dataframe of a whole lot of variables lets say, one of my variables is gender how do I simply get an average of all other variables by gender? -- View this message in context: http://n4...

Simple plot help
dolar · Nov 8, 2012 · r-help

<http://r.789695.n4.nabble.com/file/n4648835/check_pic.png> Hi there I'm trying to figure out how to make this graph so there isn't a gap between 0 and the line I want my plot to...

Avoiding loops
dolar · Sep 1, 2009 · r-help

Would like some tips on how to avoid loops as I know they are slow in R i've got a data frame : a b c 1 5 2 4 6 9 5 2 3 8 3 2 What i...

Help with Nested loop - very slow, can I use an apply?
dolar · Dec 7, 2009 · r-help

Hi there I have two tables, with longitudinal and latitudinal coordinates. what I want is a cross table between each coordinate, to find the distance between each building and different landmarks I currently have this nested loop which is fine...

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