Enables the usage of R views generated on an R server.
View displays the R View generated by the R command entered
within the dialog. The entire data is transfered to the R
server and the entered commands are executed. The
resulting png file is passed into KNIME and is displayed in the
node's view.
Missing values are supported, that is, missing
values in numeric columns are transfered as NaN
(Not a
Number) to the R server while missing values in all other types of
columns are sent as NA
.
R installation:
In order to get the R nodes running, you have to install the R-project
first, see www.r-project.org.
Also the R server which responds to R commands has to be installed
and running, see
http://www.rforge.net/Rserve/.
Also make sure that you have the latest available or compatible
R-project version at hand. For Windows you may download an R server
for your R-project version. All other operating systems require the
most recent clients (R-project installation).
We offer downloads of current
versions of R and Rserve that are compatible with KNIME on our
website. Please note that in the current version the R server needs
to be restarted from time to time. If an R node hangs, interrupt
the R server and restart it. Warnings and errors are printed in the
R server window.
You want to see the source code for this node? Click the following button and we’ll use our super-powers to find it for you.
To use this node in KNIME, install the extension KNIME R Statistics Integration - Obsolete Nodes from the below update site following our NodePit Product and Node Installation Guide:
A zipped version of the software site can be downloaded here.
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