similar to: Regular expression help

Displaying 20 results from an estimated 4000 matches similar to: "Regular expression help"

2011 Jan 31
5
Finding a Diff within a Dataframe columns
Hi, I have a Dataframe. A B C D 0.1 0.7 0.9 0.8 0.20 0.60 0.80 0.70 0.40 0.80 0.70 0.76 I need a resultant dataframe (A-B) (C-D) -0.6 0.1 -0.40 0.1 -0.40 -0.06 Any suggestion would be of a great help Thanks Ramya -- View this message in context: http://r.789695.n4.nabble.com/Finding-a-Diff-within-a-Dataframe-columns-tp3247943p3247943.html Sent from
2008 Jun 24
9
R help
Dear Sir/Madam, I found your email address and your correspondence with R-users. I hope you could help me with this question about the function "ur.ers" in the package of "urca". It is an improved unit root test (Elliott et al. 1996 Econometrica). Do you know how to extract the value of the test statistic from the output? The only thing I can get is the print-out of all
2008 Sep 17
5
inserting values for null
I have a dataframe D.F1 >dim (D.F1) 14351 9 This dataframe has values and for some 1000 rows it holds NULL values.I hace found the missing values for about 500 and have those in another dataframe D.F.sub.2 >dim(D.F.sub.2) 500 9 as dataframe is a subset of D.F1 the coulmn 1 in D.F.sub.2 is a subset of D.F1.I have to insert the values in D.F1 in other fields while the coulmn 1 in both
2008 Sep 05
3
comparing two files
Hi there I have two object on is a vector T and the other is dataframe C. vector T has more no of rows when comapred with a dataframe Ccolumn[,2].I want to find the the missing rows in dataframe C.That is those values that are not matchig in dataframe C[,2] Kindly give me suggestion on how to go about it. Ramya -- View this message in context:
2008 Jul 21
3
vector help
hi I have vector test. It has 3 elements. I want to join the three into one vector. "Geneset=HSA04910_INSULIN_SIGNALING_PATHWAY-157- 20". how can i do it. > class(test) [1] "character" > test [1] "Geneset=HSA04910_INSULIN_SIGNALING_PATHWAY" "157" [3] "20" Ramya --
2011 May 20
3
Adding a numeric to all values in the dataframe
Hi there I just want to add 2 to all the values in dataframe. I tried using sapply but it seem to die all the time. Any help would be appreciated. Thanks Ramya -- View this message in context: http://r.789695.n4.nabble.com/Adding-a-numeric-to-all-values-in-the-dataframe-tp3537594p3537594.html Sent from the R help mailing list archive at Nabble.com.
2008 Oct 09
3
LIST HELP
Hi, I have a list(A1) of dataframe and a vector containing a 22 list names. list(A1) abc l m n p q r dce e g h l k m kpo a d c also i have a vector of list names. abc,dce similarly i have 22 elements. I wanna delete or want a list without the list elements whoes name match up the vector. my result should be kpo a d c. i tried lapply it is in working in the way i want. Kindly help me
2008 Jul 11
3
List help
hi, I need to remove the list that does not have any values.Do suggest me the way to do it. result<- list() > head(result) [[1]] [,1] [,2] [,3] [[2]] [,1] [,2] [,3] [[3]] [,1] [,2] [,3] [[4]] [,1] [,2] [,3] [[5]] [,1] [,2] [,3] [1,] "HIGD1C" "SNP_A-2058537" "4" [2,] "HIGD1C" "SNP_A-1955347"
2008 Aug 05
4
PDF append help
hi there, Is there any function to append the pdf file. I want to write in a pdf file some 100 plots(in one single pdf containing 100 plots) while all the plot are created using a for loop. I can create 100 pdf one for each for each plot using a for loop but i want only one pdf with 100 plots. Ramya -- View this message in context:
2009 Dec 03
2
Dataframe help
Hi there I have two dataframes Dataframe_1 column_1 colum_2 121 12345 145 1675 167 2765 Dataframe_2 column_1 column2 121 abc 345 lmn 167 efg I want a resulting dataframe 121 12345 abc 167 2765 efg how do i go abt it Ramya -- View this message in context: http://n4.nabble.com/Dataframe-help-tp947934p947934.html Sent from the R
2008 Sep 17
3
selecting dataframe values that are not nulls
Hi, I have a dataframe with 14319rows and 9 colums. for some rows there are null values.I want a dataframe without these null values.I wanna select only those that have values !=NA. kindly let me know how to do that. Ramya -- View this message in context: http://www.nabble.com/selecting-dataframe-values-that-are-not-nulls-tp19537093p19537093.html Sent from the R help mailing list archive at
2008 Jul 28
2
writing the plots
hi there, I want to write the plots in the pdfs and the details about the graph in a seperate notepad. plot(as.numeric(lapply(resultgenes,length)), main= "Geneset.gene#.bias.test",xlab="Top.Ranked.Genesets", ylab="gene.number.per.geneset") lines(loess.smooth(c(1:1000),as.numeric(lapply(resultgenes,length)), span = 2/3, degree = 1, family =
2013 Jan 08
4
Logical operator and lists
Hello R-Helpers, I have a slight problem with the expresion data[data==""] <- NA which works well for a data.frame. But now i must use the same for a list of data.frames. My idea is data[[]][data==""] but it donĀ“t work. Thanks!! Dominic [[alternative HTML version deleted]]
2009 Nov 24
2
Re moving white space help
Hi there I am trying to remove the white space and replace it with nothing but didnt have any luck with that x <- and fgh- i can replace the comma using gsub gsub("\\-","",x) but i cant replace the white space with nothing. Ramya -- View this message in context: http://old.nabble.com/Removing-white-space-help-tp26503431p26503431.html Sent from the R help mailing list
2011 Feb 18
1
Find peaks in dataset(x,y) and area for each peak
http://r.789695.n4.nabble.com/file/n3312061/x_and_y_values.txt x_and_y_values.txt I have the absorbance values form HPLC Chromatogram. I need to find the peaks in datapoints and area under each peak. I am not sure how how to find the peaks, I tried couple of libraries and peak function but they return me a list of values which when computed from area turns out to be huge nnumbers. In the
2013 Mar 13
2
How to add a new line at a particular place in a file..
Hi all, How can i write a puppet code such that..it adds a line of content that i want..at a desired place in a file.. if [ "x$JAVA_OPTS" = "x" ]; then JAVA_OPTS="-Xms64m -Xmx512m -XX:MaxPermSize=256m -Djava.net.preferIPv4Stack=true -Dorg.jboss.resolver.warning=true -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000
2003 Feb 08
3
to modify a matrix
Hi All. I am quite a newbie to R. This is a next basic question. I have a matrix; > x <- matrix(1:10.,5) > x [,1] [,2] [1,] 1 6 [2,] 2 7 [3,] 3 8 [4,] 4 9 [5,] 5 10 I like to get a modified matrix as follows; [,1] [,2] [1,] 1 6 [2,] 2 7 [3,] 3 8 * 5 -> 40 [4,] 4 9 [5,] 5 10 The following expression does not work.
2008 Nov 05
3
Sort help
Geneset_name #Chromosome #Hit_in_Biomart original_geneset_len Missing.genes [1,] "AGUIRRE_PANCREAS_CHR12" "1" "51" "59" "8" [3,] "AGUIRRE_PANCREAS_CHR9" "1" "24" "24"
2003 Nov 08
2
help with hierarchical clustering
I have a large excel file with data in it. I converted it to a 'csv' format. I imported this dataset to R using the follownig command mldata <- read.csv("c:\\temp\\mldata.csv", header=T) all the column names and the rows seems to be correct. Now that I have this object, I need to perfrom hclust. I used the following hc <- hclust(dist(mldata), method="single")
2008 Nov 21
3
list of list objects
hi there, I have a list of list objects i need to remove the top layer [[1]] [1].0 "ABC" "DEF""LMN" [1].1 "WER" "ERT" "TRY" [[2]] [2].0 "ASD","wer""qwe" [2].1 "wdv""ghj""ggj" I wanna avoid the top layer...that is [[1]] [[2]] shouldnt be there just a simple list is wat i need.