frame with 10 rows and 3 columns ab c 11 201 1 22 202 1 33 203 1 44 204 1 55 205 4 66 206 5 77 207 4 88 208 4 99 209 8
I ran into a little problem using R… In the following data frame test <- data.frame(v1=c(rep(1,3),rep(2,3)),v2=0)
I\'m new to R. 开发者_运维技巧I have a a Data.frame with a column called \"Symbol\". Symbol 1\"IDEA\"
I am new to R and keen to learn but am finding myself particularly stuck on what seems to be a relatively straightforward idea.
Imagine I have a data frame with 2 columns IdValue 1213 323 602211 9142231 1223 11开发者_运维技巧9312
I tried to do something like this: x <- data.frame(1:20) attach(x) assign(\"x2\",1:20,pos=\"x\") However, x$x2 gives me NULL.
I\'m trying to work on data from .csv files of known general format but varying group and measure names. I can get a data.frame using:
I would like to apply some function on each row of a dataframe in R. The function can return a single-row dataframe or nothing (I guess \'return ()\' return nothing?).
Can I insert a vector as a row in a data.frame?If so h开发者_开发百科ow?I wouldn\'t claim this to be the most elegant and pretty solution out there, but it gets the job done.
I have (again) a problem with combining data frames in R. But this time, one is a SpatialPolygonDataFrame (SPDF)and the other one is usual data.frame (DF). The SPDF has around 1000 rows the DF only 40
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