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Questions tagged [revolution-r]

Revolution R is production-grade analytics software built upon the powerful open source R statistics language.

84 questions
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How do you update the R version in Revolution R Enterprise?

I just installed the latest MRO version (3.2.3) When I open RGui, I see the following R version 3.2.3 (2015-12-10) -- "Wooden Christmas-Tree" Copyright (C) 2015 The R Foundation for Statistical Computing Platform: x86_64-w64-mingw32/x64…
SQLMenace
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Which functions should I use to work with an XDF file on HDFS?

I have an .xdf file on an HDFS cluster which is around 10 GB having nearly 70 columns. I want to read it into a R object so that I could perform some transformation and manipulation. I tried to Google about it and come around with two…
Amit Mishra
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Merge two xdf files in hadoop compute context

I have two RxXdfData data source and i want to merge them on some column in RxHadoopMR compute context. Both my xdf data source are big and present on hdfs. How can we merge them? I tried RxDataStep append option but revolution r complains, it…
bingo
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Aggregating .xdf via Revolution R

For Revolution R Enterprise users, is there a way to apply a function to a factor level of an .xdf, in say, rxCube()? I know transforms let's you operate on the data pre tabulation, but it seems to me you can only get (count, sum, mean). For…
grad student
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Error: could not find function “rxGetOption” in Revolution R Open

I downloaded and installed Revolution R Open. Current Version of R is 3.1.1 (2014-07-10) -- "Sock it to Me" and version of Revolution R Open is 8.0 beta. I have started basic tutorial from converting data to .xdf format(internal to…
Ivan T
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RevoScaleR: rxPredict, the number of parameters does not match the number of variables

I have used Microsoft's "Data Science End to End Walkthrough" to set myself up with R Server, and their example works perfectly. The example (New York taxi data) uses non-categorical variables (ie distance, taxi fare etc.) to predict a categorical…
Hamilton Blake
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Creating an array of lagged values with rxDataStep and mclapply

I have a xdf file named probe03Seq that has a list of events. Variable information: Var 1: cm_mac_address 55718 factor levels: Var 2: time, Type: POSIXct Var 3: status 3 factor levels: Var 4: duration_disc 10 factor levels: Var…
Brent Ferrier
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Using trusted connection in RxSqlServerData connection string

I have the following connection string and query that I would like to run using RxSqlServerData: connString <- paste("Driver=SQL Server", paste("Server=", config$dwServer, sep = ""), paste("Database=", config$dwName, sep = ""),…
Tryggvi Jonsson
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Trying to plot createTreeView and get the Error in tools:::httpdPort > 0L

Recently, I started using R Revolution, and I tried to run a example code to visualize a decision tree. I ran the code: data("kyphosis", package="rpart") kyphTree <- rxDTree(Kyphosis ~ Age + Start + Number, data = kyphosis, cp=0.01)…
Gerson Kumagaia
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Rrdkit - Error while using install_github/devtools/timeout issue

System : Linux - CentOS 6.5 R Version : 3.2.3 (64 bit) I have the same Error exposed here : >devtools::install_github("pauca/rrdkit/rrdkit") Downloading GitHub repo pauca/rrdkit@master from URL…
B.Gees
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How to only install versions of packages that were made under a specific R release?

I use the Revolution R Enterprise distribution that is built upon R 3.2.2. Hence, I have an interest in only employing package versions that are based on this R release as well. Checking packages like 'checkpoint' or the Revolution MRAN page, I only…
user107990
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rbind equivalent in revoScaleR

how can I concatenate two xdf, as in the rbind function ? both xdf have the same names and order of columns . I saw there is an "append" parameter in the rxImport() function, but I don't get where to specifiy the second xdf file . Thanks !
Ouriel
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rxMerge for factored levels

I'm new to RRE, I'm having issue with the rxMerge function. I want to merge two xdf datasets by a factor column that have different number of level. I want an inner join to keep only the matching levels. I get the following error : ERROR: Factor…
Ouriel
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How many/which/is there a listing somewhere of the 3rd-party R packages that are parallelized in Revolution Enterprise?

Can I use packages like forecast, nnet, ets, etc, on Revolution Enterprise, in a way that lets me take advantage of Revolution's unique approach to parallelization? Is there some list of which packages let me take advantage of this? Does my…
user3392615
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Sql Server 2016 RevoScaleR Error $ operator not defined for this S4 class

connectionString <- "Driver=SQL Server;Server=xxx;Database=TestDB;Uid=test;Pwd=test"` SampleDataTable <- "SampleData" sqlRowsPerRead = 5000 sampleDataDS <- RxSqlServerData( connectionString = connectionString, table =…
PC2015
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