# Merge csv files with different and same headers **URL:** \ **Category:** KNIME Analytics Platform\ **Created:** [January 24, 2019, 7:13pm UTC](https://forum.knime.com/t/merge-csv-files-with-different-and-same-headers/13271 "2019-01-24T19:13:02Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![mlauber71](https://forum-cdn.knime.com/user_avatar/forum.knime.com/mlauber71/32/73590_2.png) [@mlauber71](https://forum.knime.com/u/mlauber71)\ **Post date:** [January 25, 2019, 6:24pm UTC](https://forum.knime.com/t/merge-csv-files-with-different-and-same-headers/13271/6 "2019-01-25T18:24:29Z")
> [@Hugo](#): > > I’m working with our IT support to modify the output data form, because I know that it’s horrible… > But you know… IT are not usually very fast… especially in large companies… never heard of _that_ … 😉 Glad it works. R and KNIME is sometimes a little bit complicated because you need to have RServe working and the latest version of that needs to be compiled. I can provide you with some links about that. Install R > [@Importing R Code in Knime](https://forum.knime.com/t/importing-r-code-in-knime/11260/3): > > There are two basic possibilities to use R with KNIME you have a R version on your computer and you point KNIME to it (“KNIME Interactive R Statistics Integration”) KNIME provides you with an ‘integrated’ R package that sits somewhere deep in the KNIME folders (“KNIME R Statistics Integration (Windows Binaries)”) I would advise to use the first option. So first to proper install R (and maybe RStudio to have an easier handling) and then point KNIME to it. There are further R integrations but t… RServe compilation > [@KNIME : R evaluation failed.](https://forum.knime.com/t/knime-r-evaluation-failed/12560/13): > > And another thing. If you have to use the newest version of RServe you will have to compile the package. On MacOS you will need the packages mentioned on the relevant R website: [https://cran.r-project.org/bin/macosx/](https://cran.r-project.org/bin/macosx/) On a windows system you will have to compile the package with the help of RTools [https://cran.r-project.org/bin/windows/base/rw-FAQ.html#Can-I-install-packages-into-libraries-in-this-version\_003f](https://cran.r-project.org/bin/windows/base/rw-FAQ.html#Can-I-install-packages-into-libraries-in-this-version_003f) I recently noted that at least when compiling the RServe package Rtools does not li… > [@Issue with KNIME R version](https://forum.knime.com/t/issue-with-knime-r-version/12562/10): > > I mean the up to three KNIME extensions about R as mentioned before. I would deinstall them an install them again. Maybe first only using the “R Scripting extension” [image] From my experience the most important thing is to update RServe to the latest version (1.8-6). You will have to compile the package yourself (depending on your platform) since there is no binary version ready for download (yet). [http://www.rforge.net/Rserve/files/](http://www.rforge.net/Rserve/files/) [image] Download the .tar file and use it to install a … --- _[View the full topic](https://forum.knime.com/t/merge-csv-files-with-different-and-same-headers/13271)._