I struggle to call a plr function in postgreSQL from a R-script and use it in ggplot2 - geom_function. The following examples are extremly simplified ...
I struggle to call a plr function in postgreSQL from a R-script and use it in ggplot2 - geom_function. The following examples are extremly simplified ...
I have R on a headless linux server and I have NO write permissions to the file system. This has forced me down a path of wanting to save my pictures ...
Need to initiate a for loop using a vector argument in pl/r. The code is as below: The motive of the function is to find unique values of column a, ...
I have a postgres query, which works fine when I run it as a query. However, I would like to convert it to pl/r and be able to dynamically input the s ...
I have Postgres version 10 installed running under windows 10 enterprise using the pl/r interface. It has been working nicely up till now. Now I get E ...
Error unserializing model object in Greenplum via PL/R I store model objects in a greenplum database (the open source version) and I've successfully ...
I'm trying to create PLR extension in Postgres 10.4 and it gives me error: I use Windows 10, R 3.4.2. I downloaded PL/R of this version: Win64 plr. ...
Well this issue has been a long problem for me. I am using PostgreSQL 9.5 (x64) on Windows 7 Enterprise (x64) and I have been running into problems wh ...
I would like to write back a dataframe to the db in plr. In standard R I could just do: In plr however I am already connected to the database. I l ...
The full error message is: The query I'm using is: And the shared.sample function I'm using is: I'm pretty new to this stuff, so any hel ...
Operating system: OSX El Capitan 10.11.6 (15G1004) R version: version 3.3.1 PostgreSQL 9.5.4 on x86_64-apple-darwin14.5.0, compiled by Apple LLVM vers ...
I have an lm model in R that I have trained and serialized. Inside a function, where I pass as input the model and a feature vector (one single array) ...
I'm struggling to find an examples of a PL/R function that could accepts two postgres tables. PL/R docs does not provide any such example. To have a w ...
I receive a character string "{1,0,0,0,0,0}" created as a textual representation of a vector (integer[]) by postgresql and have to cast it into a R in ...
I am trying to write a simple PL/R function that finds the mean of a column (Greenplum 4.3.4 DB) This, however, gives me the error: ...
I am trying to use kmeans function in PL/R. I have created following table My clustering function is given below When I am executing the follow ...
I've written a function that queries x,y,z values for creating sections with R. Now, I want to do that with PL/R, instead of using RStudio. Within ...
I installed PL/R (plr) and extended my database with it. I created a function that creates a pdf print from a plot. The data is queried from my Postg ...
When I use R open source, if not using a specific package, it's not possible handle data sets bigger than RAM memory. So I would like to know if it's ...
I'm trying to install PL/R on Mountain Lion 10.8.2, I've installed R 2.15.3 from r-project and PostgreSQL 9.1 from KyngChaos. I've got PL/R 8.3.0.14 f ...