[R] merging two specific rows in a DF

Hello members, I have this data frame with 3 columns, C1 C2 TYPE 10 20 A 33 44 B 66 80 A 111 140 B 144 220 B 300 340 A 380 449 A 455 500 B 510 520 A 540 580 B Here, the rows 4 , 5 has type "B" and sim

Re: [R] DF grouping

Hello Petr Savicky, hello all, I have a situation similar to the previous one, I need to group a data.frame in a specific way, col1 col2 score 2873 3192 319 4268 4451 183 5389 5534 145 6622 10622 4000 12631 17853 5222 20408 20615 207 21595 21838 243 23121 2313918 the out put

[R] Cbind query

I am new to R and request your kind help. I have a table like the one below, one two 1 apple fruit 2 ball game 3 chair wood 4 wood plain 5 fruitbanana 6 cloth silk Note: duplicate entries are there the task is to create relations to each

Re: [R] Cbind query

Hello jholtman, Thanks very much for the suggestion. I tried using "as.is=TRUE" and it worked as the way I expected. Sorry for not being clear about the problem in my mail. The characters are very much needed, cos I am trying to create a signaling network using "Rgraphviz". Thanks again. Regar

Re: [R] Odp: Cbind query

Hello Petr Pikal, Thanks for the suggestion. I am sorry for not being very clear in my mail. from your example, Its clear to me now about how to turn factors to character values. I am working on large data sets, and the ultimate aim is to create interaction network, so the characters are very

[R] Parsing txt file

Hello, I have a tab limited text document with multiple lines as mentioned below, #FILE FORMAT #Book booknameauthor publisher pages #CD namecontent

Re: [R] Parsing txt file

Hello Jim, hello all, Thanks very much for the inputs, I used the code and it solved my problem special thanks to Jim Holtman for the code. Regards, karthick -- View this message in context: http://r.789695.n4.nabble.com/Parsing-txt-file-tp3035749p3036284.html Sent from the R help mailin

[R] to represent color range on plot segment

Dear R community, With an advantage of being "NEW" to R, I would like to post a very basic query here, I am in need of representing gene expression data which ranges from -0.09 to +4, on plot "segment". please find below the data df, the expression values are in df[,2]. kindly help me with the co

Re: [R] to represent color range on plot segment

Dear Jim, Thank you very much for your code. There is no problem with df[df[,2]>0,3]<-color.scale(df[df[,2]>0,2],c(1,0),1,c(0,1)) but the other has an error message if there is a negative value, like > df[df[,2]<0,3]<-color.scale(df[df[,2]<0,2],1,c(1,0),c(1,0)) Error in rgb(reds, greens, blues) :

[R] R matrix help

Dear R experts, I am interested in getting the dimensions for the matrix dynamically, based on the the number of elements in a matrix for example. if the number is 12, I should get dim= 3X4, if it is 20, dim=5X4. please help me do this. Thank you Regards karthick -- View this message in conte

[R] DF grouping

Hello Members, I need to group a data.frame in a a specific way, like shown below, DF raw is like this, id col1 col2 score 1 A B 40 2 B C 55 3 C D 4000 4 D E100 5 E F300 I want the out put as List [1] A B C [2] D E [3] F Basicall

Re: [R] DF grouping

Dear Petr Savicky, Thank you very much for the solution. your script really worked for my DF, and yes as per your guess , its always ---> DF[i, "col2"] == DF[i+1, "col1"] Regards, karthick -- View this message in context: http://r.789695.n4.nabble.com/DF-grouping-tp4381310p4381646.html Sent fr

[R] gslider-gwidgets

Hello R lovers, For my GUI, I am using gslider of Gwidgets. I need to add the "to=" value dynamically ie., maximum value from a data frame column(something like to=max(df[,3])). But I am getting error message like Error in checkPtrType(object, "GtkWidget") : object of class NULL isn't a GtkW