One of the great new features of OBIEE 12c is the ability to have advanced analytic functions based on R. "R is a widely used environment for statistical computing and graphics
and can be used with many different datasources including external files
or databases."
This post will only deal with enabling this functionality on the server. But first what we get?
The default functions are Cluster, Outlier, Regr, Trendline and Evaluate Script:
For example Regression:
User can add additional R Based functions based on your own scripts through Evaluate Script .
When trying to run Analytics function by default, without the setup, for example: REGR("Base Facts"."Revenue", ("Base Facts"."Discount Amount"), ("Products"."Product Type", "Products"."Brand"), 'fitted', '') I get an error.
The critical part of it is: State: HY000. Code: 47092. [nQSError: 47092] The value of R_EXECUTABLE_PATH is set to /usr/bin/R which is invalid. (HY000).
To solve it, I have to setup R in the environment.
We can set up 2 types of R. "Regular" R And Oracle R Enterprise, (that is part of the Oracle DB). Both option are described in: Administration Guide, chapter 17.11.
In this post I will do the basic "regular" R setup on Windows box. The Unix / Linux steps are in the guide as well as the Oracle R Enterprise.
The R package is in ORACLE_HOME/bi/bifoundation/advanced_analytics/r-installer.tar.gz (on my computer it is D:\MWHOME12\bi\bifoundation\advanced_analytics).
Oracle recommends to download and install unzip and wget utilities:
I unzipped the r-installer.tar.gz in the same folder on the disk, got r-installer.tar file and unzipped it as well. Now I have a RInstaller folder at the same location ORACLE_HOME/bi/bifoundation/advanced_analytics/.
R uses internet connection to download software and packages. That is why before installing Oracle recommends to set up the definitions in proxy.txt. For example, if you are working from within Oracle intranet you should setup proxy=http://www-proxy.us.oracle.com:80 in that file.What should you do when you are in "regular" / not secured network? This part took me some time. Eventually, I opened a command windows and executed ipconfig (ifconfig in linux). I used the default Gateway ip. Assuming my default Gateway 192.1.1.1, in my proxy.txt I used proxy=192.168.4.1:80 .(Another, not recommended and probably not supported option, would be to delete the first 2 lines in r-package-install.R)
Now comes the actual installation.
I opened a command line in Oracle_Home/bi/bifoundation/advanced_analytics/RInstaller and run set path=%path%;C:\Program Files (x86)\GnuWin32\bin (to add wget to the path).
Now RInstaller.bat install
Next to install the R specific packages I'd run RInstaller.bat installpackages
It installs required R packages (forecast, mvoutlier, randomForest, RJSONIO, and
matrixcalc). Running this command also installs the
OBIEEAdvancedAnalytics R package that is in the Oracle_Home/bi/bifoundation/advanced_analytics/RInstaller/OBIEERPackage.
If your failed with text such as bellow, that means you have a problem with your proxy.txt.
You are using Oracle's distribution of R. Please contact Oracle Support for any problems you encounter with this distribution.
> proxy<-read.table("proxy.txt", header=FALSE, sep="=", stringsAsFactors=FALSE)[
,2]
> Sys.setenv(http_proxy=proxy)
> install.packages("forecast", repos="http://cran.us.r-project.org")
...
Warning: unable to access index for repository http://cran.us.r-project.org/bin/
windows/contrib/3.1
Warning message:
package 'forecast' is not available (for Oracle Distribution of R version 3.1.1)
> proxy<-read.table("proxy.txt", header=FALSE, sep="=", stringsAsFactors=FALSE)[
,2]
> Sys.setenv(http_proxy=proxy)
> install.packages("forecast", repos="http://cran.us.r-project.org")
...
Warning: unable to access index for repository http://cran.us.r-project.org/bin/
windows/contrib/3.1
Warning message:
package 'forecast' is not available (for Oracle Distribution of R version 3.1.1)
My R installation is now in C:\Program Files\R\R-3.1.1
Lets find NQSConfig.ini in BI_DOMAIN/config/fmwconfig/biconfig/OBIS = ORacle_home/user_projects/domains/bi/config/fmwconfig/biconfig/OBIS. Find there ADVANCE_ANALYTICS_SCRIPT section and update R_EXECUTABLE_PATH to point to the R exactable path: C:/Program Files/R/R-3.1.1/bin/x64/R
Restarted OBIS.
Now it’s working.
For Linux guidelines see PEAK Indicators blog here.
If you want to try an offline environment, here is the response of the R installpackages:
There is a binary version available (and will be installed) but the
source version is later:
binary source
forecast 7.1 7.2
also installing the dependencies 'stringi', 'magrittr', 'stringr', 'RColorBrewer', 'dichromat', 'munsell', 'labeling', 'quadprog', 'digest', 'gtable', 'plyr', 'reshape2', 'scales', 'zoo', 'timeDate', 'tseries', 'fracdiff', 'Rcpp', 'colorspace', 'ggplot2', 'RcppArmadillo'
trying URL 'http://cran.us.r-project.org/bin/windows/contrib/3.1/stringi_1.0-1.zip'
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package 'forecast' successfully unpacked and MD5 sums checked
The downloaded binary packages are in
C:\Users\BDAHAB\AppData\Local\Temp\RtmpWkBg3J\downloaded_packages
also installing the dependencies 'minqa', 'nloptr', 'RcppEigen', 'Matrix', 'lme4', 'SparseM', 'MatrixModels', 'pbkrtest', 'quantreg', 'lmtest', 'chron', 'mvtnorm', 'pcaPP', 'reshape', 'car', 'sp', 'vcd', 'data.table', 'pls', 'e1071', 'cvTools', 'rrcov', 'GGally', 'sROC', 'VIM', 'DEoptimR', 'sgeostat', 'robCompositions', 'robustbase'
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package 'minqa' successfully unpacked and MD5 sums checked
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package 'lme4' successfully unpacked and MD5 sums checked
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package 'reshape' successfully unpacked and MD5 sums checked
package 'car' successfully unpacked and MD5 sums checked
package 'sp' successfully unpacked and MD5 sums checked
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package 'data.table' successfully unpacked and MD5 sums checked
package 'pls' successfully unpacked and MD5 sums checked
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package 'cvTools' successfully unpacked and MD5 sums checked
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package 'GGally' successfully unpacked and MD5 sums checked
package 'sROC' successfully unpacked and MD5 sums checked
package 'VIM' successfully unpacked and MD5 sums checked
package 'DEoptimR' successfully unpacked and MD5 sums checked
package 'sgeostat' successfully unpacked and MD5 sums checked
package 'robCompositions' successfully unpacked and MD5 sums checked
package 'robustbase' successfully unpacked and MD5 sums checked
package 'mvoutlier' successfully unpacked and MD5 sums checked
The downloaded binary packages are in
C:\Users\BDAHAB\AppData\Local\Temp\RtmpWkBg3J\downloaded_packages
trying URL 'http://cran.us.r-project.org/bin/windows/contrib/3.1/RJSONIO_1.3-0.zip'
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The downloaded binary packages are in
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also installing the dependencies 'bitops', 'gtools', 'gdata', 'caTools', 'gplots'
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package 'bitops' successfully unpacked and MD5 sums checked
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The downloaded binary packages are in
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* installing *source* package 'OBIEEAdvancedAnalytics' ...
** R
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded
* DONE (OBIEEAdvancedAnalytics)
Oracle Distribution of R version 3.1.1 (2012-06-22)
Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=Hebrew_Israel.1255 LC_CTYPE=Hebrew_Israel.1255
[3] LC_MONETARY=Hebrew_Israel.1255 LC_NUMERIC=C
[5] LC_TIME=Hebrew_Israel.1255
attached base packages:
[1] stats graphics grDevices utils datasets base
loaded via a namespace (and not attached):
[1] tools_3.1.1
#### R Package Install completed successfully ####
hi,
ReplyDeletei am trying to enable R, i installed R,but when i tried to run command install packages it is not installing OBIEEAdvancedAnalytics package into library.other packages are installed but unable to install OBIEEAdvancedAnalytics package.
Please help is there any other way to install this package??
I am trying to download this package but i am not getting any link to download this package.
Suyog, I hope I understand your problem correctly...
Delete1. Please check you have the Oracle_Home/bi/bifoundation/advanced_analytics/RInstaller/OBIEERPackage and you don't have the above described proxy issue. Now try again.
2. I'm not sure this is recommended or supported, but you can open the scripts zip and install the packages manually from within R.
Thank you replying boris dahav.
Deletepreviously when i tried to execute Install Packages it is unable to install OBIEEAdvancedAnalytics package it was showing
ERROR: dependencies 'forecast', 'mvoutlier', 'randomForest' are not available for package 'OBIEEAdvancedAnalytics'
then i downloaded all these packages from CRAN and unzipped them into R library, then I executed following command to install OBIEEAdvancedAnalytics package,
RInstaller.bat installpackages ("./OBIEERPackage/OBIEEAdvancedAnalytics_12.2.1.0.
tar.gz", repos=NULL, type="source")
this command i executed from ORACLE_HOME/bi/bifoundation/advanced_analytics/
this installed OBIEEAdvancedAnalytics package for me into R Library.During this it only installed OBIEEAdvancedAnalytics package,for others is shown error
package is not available (for Oracle Distribution of R version 3.1.1)
Now I am facing one more issue,
when I tried to use "Outlier" Function in analysis i am getting following error,
State: HY000. Code: 43113. [nQSError: 43113] Message returned from OBIS. Error(s): Error: package or namespace load failed for 'mvoutlier' (HY000)
i tried to to download and install "mvoutlier" Package but no luck.
Please help if you know solution for this coz i am not able to understand this error, is it problem with Package or package is not installed correctly!!
Becoz First time when i used command Install Packages it did not installed all this packages (forecast, mvoutlier, randomForest, RJSONIO, and matrixcalc), It instaled some other packages.
In second time when i extracted above packages into R library and ran this command
RInstaller.bat installpackages ("./OBIEERPackage/OBIEEAdvancedAnalytics_12.2.1.0.
tar.gz", repos=NULL, type="source")
during this command execution also it did not install that packages. so i am little confused.
please help
Boris, this was GREAT! Thank you for the very comprehensive information. Especially helpful was the note about removing the first two lines from r-package-install.r. I could not figure out what to put into proxy.txt to make this work successfully, but after I removed those two lines, it worked just fine. Also, please note that when setting R_EXECUTABLE_PATH = "C:\Program Files\R\R-3.1.1\bin\x64\R";, it MUST end with a semi-colon, or OBIS will not restart.
Delete"very comprehensive information. Especially helpful was the note about removing the first two lines from r-package-install.r." its not worked on linux redhat, and get following error : "object of type 'closure' is not subsettable". I also read another R installation OBIEE on https://www.peakindicators.com/blog/enabling-r-in-oracle-bi-12c#blog-comments
Deleteworked Thankyou very much
ReplyDeleteHi, even after updating NQSConfig and restart of OBIS it still says same error State: HY000. Code: 47092. [nQSError: 47092] The value of R_EXECUTABLE_PATH is set to /usr/bin/R which is invalid. (HY000).Anything missed.
ReplyDeleteits been long since the above post, but for the benefit of others, Please look at the Windows Registries for R_EXECUTABLE_PATH and update them manually if found incorrect. And make sure you Setup an environment variable R_EXECUTABLE_PATH. Some virtual machines might not recognize environment variable updates unless the machine is rebooted. ironically the r_executable_path in nqsconfig.ini doesnt seem to get recognized inspite of putting the right value. not sure if it is a good approach to update/create the environment variable manually, but has helped me execute R functions after taking the above approach
ReplyDeleteHas anyone successfully installed R with OBIEE 12.2.1.2? I had no issues with 12.2.1.1 (thanks to these great instructions - Thank You!) but when I ran through all the same steps with the new version I am getting this error in a BI analysis: State: HY000. Code: 43119. [nQSError: 43119] Query Failed: Error(s): Error in library(OBIEEAdvancedAnalytics): there is no package called 'OBIEEAdvancedAnalytics' (HY000)
ReplyDeletecan I :
ReplyDelete1. install R last version on the server.
2. install the packages manually.
3. configure the NQSConfig.ini
the servers where I work are off the outside internet grid
Hi Roy, yes, but the first part should be "install the R version that OBIEE uses". (Currently OBIEE 12.2.1.4 comes with a specific R version. It should be installed as described in the documentation.)
DeleteA good starting point can be Oracle Support note: OBIEE 12c: How To Install R And R Packages Without Proxy Server Details(With Internet)? (Doc ID 2285800.1)
In your case, you can also ask Tovit or me for additional documentation. :)