The following node is available in the Open Source KNIME predictive analytics and data mining platform version 2.7.1. Discover over 1000 other nodes, as well as enterprise functionality at
http://knime.com.
Table to R
Converts a KNIME data table into an R object which can be manipulated during execution.
The input data is written to a CSV file and imported into an R workspace which is then available at the node
out-port. The data must be returned as variable called R.
More details about R:
http://www.r-project.org/
Short-refcard.pdf
Dialog Options
R Command
- R Snippet
-
The R commands to run.
- Column List
-
The list contains the column that are available in the input table.
Double click any of the column names to insert the respective field
in the expression editor. It will replace your current selection or
simply insert at the current caret position.
- Flow Variable List
-
The list contains the flow variables that are currently available at
the node input. Double clicking any of the entries will insert the
respective identifier at the current cursor position (replacing the
selection, if any).
R Binary
- R binary path
-
Path to the local R executable. Note that it is possible to specify
the path to the local R executable also in the R section of the
KNIME preferences.
- Arguments for R binary
-
Add additional arguments run together with the R binary. The
'--vanilla' mode ensures a clean workspace and may cause problems
when removed.
- Override default
-
If checked, the specified file is used as R binary. If not checked,
the file specified in the KNIME's R preferences is used.
Ports
Views
- R Std Output
-
The text sent to standard out during the execution of R executable
as well as the text of the .Rout file generated by R.
- R Error Output
-
The text sent to standard error during the execution of R executable
as well as the text of the .Rout file generated by R.
(If it appears in gray, it's the output of a previously
failing run which is preserved for your trouble shooting.)
This node is contained in KNIME R-Project nodes
provided by KNIME GmbH, Konstanz, Germany.