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Questions tagged [knime]

KNIME (Konstanz Information Miner) is a user-friendly graphical workbench for the entire data analysis process.

KNIME is an open-source data analysis software, with various plugins from different areas. It has plugins from text mining to image processing, including the chemical structures and high throughput experiments.

KNIME Desktop is available for Windows, Mac and Linux under GPL v3 (or a custom license).

KNIME stands for Konstanz Information Miner and can be run on a centralized server with an integrated web interface or as standalone Rich Client. The client is based on the Eclipse Platform with the plugin and update mechanism. KNIME also offers job scheduling.

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how to find text and extract whole section with xpath

i am trying to parse some text from bibliographic database which contains not standard tables. specifications of articles may or may not exist, bu if exist they have same tags for their specifications. For example; all articles have title but only…
t.ztrk
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Merging two tables based on a column (partial match or comma separated column)?

I have two tables that their shared columns do not exactly match (differences in capital character or existence of some characters like comma,space and ...). How can I merge these two tables based on their shared column (in R, Knime, Excel-power…
Ahmad s
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Where to find the knime node source code

I searched around the knime developer site, everyone who tried to explain how to get the source code of the node explains in a ambiguous way. Things are not clear in their website. So anyone please give a explicit description on how exactly one can…
cinqS
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KNIME Command Line Execution - ClassNotFoundException

I'd like to schedule a KNIME workflow. The workflow does its job very good as long as I start it from the KNIME GUI application. When I execute the same workflow via command line, java complains that…
stev-e
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Transforming less frequent values

Suppose I have the following columns for a csv that I read through a 'File Reader' node: id, name, city, income After reading it, I notice that the column 'city' contains a huge number of unique values. I want to: Know which values are the 'k'…
igorvpcleao
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How to classify text with Knime

I'm trying to classify some data using knime with knime-labs deep learning plugin. I have about 16.000 products in my DB, but I have about 700 of then that I know its category. I'm trying to classify as much as possible using some DM (data mining)…
wviana
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KNIME SDF Reader maybe uses default workflow variable value even if overridden via batch mode parameter

I'm calling a KNIME workflow in batch mode, providing the path to an SDF input file via flow variable parameter: -workflow.variable=template.sdf,C:\correct\path\template.sdf,String The SDF Reader Node seems to try to use the default workflow…
Reto Höhener
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KNIME batch mode execution hangs/never returns (started from Java process)

I'm executing a KNIME workflow in batch mode from Java. The output seems to indicate success, but the process never returns (I have to use a timeout parameter to kill it). Question: Does anyone have an idea why the process never returns? Executing…
Reto Höhener
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regexMatcher in String Manipulation KNIME

I'm trying to use regexMatcher from String Manipulation in KNIME but it doesn't work. I'm writing the following: regexMatcher($Document$,"/\w") when I want to extract all sentences that have /s or /p or w/p or /200. However even though I have such…
Regina
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Data points are in the wrong place on my R plot

I have two columns of data to plot into a scatter plot, the points don't appear to be in the correct place, as if the axis are shifted and the data points have been reordered. The data comes from a larger set and the plan was to use "lines" to add…
tech133
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How to create ROC curve from multiple classification models

How to create ROC curve from several classification models in order to compare them with each other. I'm using KNIME analytics platform.
Nadya Nux
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KNIME 3.2 Tableau Node dependancy error

I am getting a different error from this post (KNIME 3.2 Tableau Node error). I believe my problem precedes his. I suspect my problem is in setting up my dependencies and PATH variables. I have downloaded the Tableau SDK, and placed it both in…
KrisErickson
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Knime: Invoking Knime workflow from Java application

I have tried to invoke knime workflow in batchmode String btchtrendcheck ="E:\\KNIME\\knime.exe -application org.knime.product.KNIME_BATCH_APPLICATION -consoleLog -reset -workflowFile=\"C:\\Users\\Jana\\Desktop\\KNIMETrend.zip\"" String trendtest…
Danny
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How can I get all the data from separated large files in R Revolution Enterprise?

I'm using RevoR entreprise to handle impoting large data files. The example given in the documentation states that 10 files (1000000 rows each) will be imported as dataset using an rxImport loop like this :…
Ismail Akrim
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Cluster validity using KNIME

New to using KNIME and wondering what cluster validity measures I can use in it. Any ideas? I was thinking about using the scorer node but not sure how to configure it correctly as when I tried I got an error % of 100
Rafi Shakouri
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