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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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Export association rules to PMML in KNIME

I have built an Asscociation Rule Analysis in KNIME and now I want to export those rules to PMML for further usage outside of KNIME. Is it possible to export association rules to PMML in KNIME? Any help would be great!
Nisse
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Java SIGSEGV in KNIME running on cluster (SGE)

I am trying to run KNIME 2.11.3 software on Scientific Linux cluster (with Sun Grid Engine) using qsub, asking for 4GB of ram. Java used: java version "1.8.0_73" Java(TM) SE Runtime Environment (build 1.8.0_73-b02) Java HotSpot(TM) 64-Bit Server VM…
Piotr Grabowski
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Knime - How to use path input and output as variable

This seems a quite simple question but I could not find a straight question. Scenario I have a workflow in Knime that reads a file (excel), processes and outputs to several files. The input files and output file are in the same folder and its a…
saxo
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Troubleshooting Reoccurring OutOfMemory PermGen Space Error

I have been helping a friend develop nodes in Knime. For those who don't know Knime is essentially a framework in Java that creates nodes that automate some "thing" you program them to do. Each node has 4-5 classes, and the workflows we are creating…
Tyler Blatt
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Integrating legacy statistical packages in a R based workflow

I am planning to run Monte Carlo simulations in an R environment (Windows 7). However I need to use old legacy statistical packages that are no longer executable in Windows 7, although I am aware that there are emulation solutions (Like VMWare)…
user3833240
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Using external java library in KNIME. Why initialization of one class fails while it succeeds for another class?

I have a problem integrating Java code into KNIME. Similar posts on Knime forum (http://tech.knime.org/forum/knime-general/using-external-jar-in-java-snippet-node-workflow-not-able-to-initialize-class-of) were of little help and I also posted a…
Мария Рябошапкина
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KNIME R integration - Package installation

I am a relatively new user to KNIME. I have been trying to install the 'gWidgetsRGtk2' package through the R snippet, but it keeps throwing me an error when i try to load it. if(require("gWidgetsRGtk2")){ print("gWidgetsRGtk2 is loaded…
Aaron
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R/Knime: plotting multiple curves in a single plot using a R snippet inside a KNIME loop

I'm new to both knime and R so sorry if my question is a bit silly. I've created a simple workflow to: 1) open multiple file and join them togheter with only one x axis (PPM) and several y axis (the name is created through the cycle from the file…
Michele Carboni
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Performance Analysis of Clustering Algorithms

I have been given 2 data sets and want to perform cluster analysis for the sets using KNIME. Once I have completed the clustering, I wish to carry out a performance comparison of 2 different clustering algorithms. With regard to performance…
yodatg
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BlockMissingException when trying to read in files from my Hadoop Cluster in KNIME

I am currently trying to read in a csv-file from my Hadoop cluster in KNIME and keep getting this exception org.apache.hadoop.hdfs.BlockMissingException - Could not obtain block: BP-788889731-172.18.0.7-1689243803391:blk_1073741840_1016…
Meecrop67
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Does Knime support Arm architecture?

I can only download the Knime installation package for Windows, Mac, and Linux on Knime's official website. There is no Knime installation package that supports the Arm architecture for download. Is it because Knime does not support Arm…
Lisdoo Li
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Memory footprint of KNIME is growing until the machine freezes

Love KNIME and what it can do to standardise/simplify ML, but I’ve a new set of problems that are driving me crazy. I’m running ML analysis of tables of data with ~400 columns/400 rows. Non-trivial certainly, but not huge. I’ve a simple workflow…
Steve
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How to avoid ggplot to split the expression "N = x" in the axis text

I have little experience with R and I have to create a graph with ggplot automatically from some datasets created with knime whose axis text (x=specie) can vary in number of letters. I have set a maximum width for this text (30). The problem is that…
CPR
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Bioisosteric replacement using SMARTS (KNIME and RDKit)

I am trying to create a KNIME workflow that would accept a list of compounds and carry out bioisosteric replacements (we will use the following example here: carboxylic acid to tetrazole) automatically. NOTE: I am using the following workflow as…
Antoine Lacour
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Bridging Knime, Keras and DL4J – Exceptions when loading h5 model

I’m working on a project which needs to train a DNN and then run the trained model in a Java environment. As the training data requires a lot of manipulation I’ve used Knime and its Keras libraries to do most of the work, and I’m exported the…
Graham Evans
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