[R] comparing two strings from data

Hi, I have two columns that contain numbers along with letters (as shown below) and have different lengths. Each entry in the first column is likely to be found in the second column at most once. For each entry of the first column, if that entry is found in the second column, I would like to

[R] how to install and use Rcplex package

help me about this issue? Thank you in advance, -- Yasin Gocgun __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html

Re: [R] how to install and use Rcplex package

at 4:04 PM, Rui Barradas ruipbarra...@sapo.pt wrote: Hello, Try install.packages(Rcplex) That's it. Hope this helps, Rui Barradas Em 24-07-2015 12:20, Yasin Gocgun escreveu: Hi, I need to know how to completely install Rcplex to be able to use cplex in R. According

[R] set difference between two data frames

Hi, I have two data frames, say, x and y, where y is a subset of x. How can I find the set difference of these two data frames (i.e., x-y)? Thanks, -- Yasin Gocgun __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] set difference between two data frames

of rows/column) as your answer. -- Bert On Thu, Oct 31, 2013 at 12:58 PM, Yasin Gocgun entropy...@gmail.com wrote: Hi, I have two data frames, say, x and y, where y is a subset of x. How can I find the set difference of these two data frames (i.e., x-y)? Thanks, -- Yasin Gocgun

[R] an issue about removing NAs from an array

as the entries of the array A. Can you tell me what is missing here? (I also tried setting the entries of A to character using as.character but it did not work) Thanks, -- Yasin Gocgun [[alternative HTML version deleted]] __ R-help@r-project.org

Re: [R] merging data frames

Thanks for your responses. I have already found that merge function performs what I am looking for. On Fri, Jun 14, 2013 at 12:51 AM, Yasin Gocgun entropy...@gmail.com wrote: Hi, I have been struggling with the issue of merging data frames that have common columns and have different

[R] checking certain digits of a number in a column

Hi, I need to check whether certain digits of a number, say, last five digits, appear in a column of a data frame. For instance, For example,103 in 000103 ( data [data[,3] == ...103] instead of data [data[,3] == 000103] ) or 54780 in 12354780. Can someone let me know how to do so. Thanks in

[R] merging data frames

Hi, I have been struggling with the issue of merging data frames that have common columns and have different dimensions. Although I made alot of search about it on internet, I could not find any function that would efficiently perform the required operation. So I would appreciate if anyone