batch mode only: Cannot determine major version of R
Hi everyone,when I run an R node in batch mode, Knime tells me it cannot determine the major version of R. The same workflow runs fine in the GUI. The R preferences page shows no errors, either.Any...
View ArticleFeature request Process Mining Extension
Hi everbody, I wonder if in future versions knime can integrate a Process Mining Extension such as Prom, in order to link the operations and analytics in a better way. See the link:...
View ArticleUnable to Use Selenium Nodes to crawl web pages for href
Still having problems using the Selenium nodes for crawling href tags starting with a URL homepage and following all links. Problem is iterating through the different links using the Web Driver Factory...
View ArticleSome R-Knime visualizations
Hi everybody I am sharing some R-Knime visualizations which I consider helpfull. You need to install the packages in your R before running the workflow. The packages are: treemap, d3treemap and...
View ArticleKNIME support for Python 3
Hi, I am a very new to KNIME and found that it is a very nice tools to use for Data Mining & Machine Learning projects and studying. Just wondering , when will KNIME have a support for Python 3...
View ArticleMissing columns after concatenating three CSV files
Hi everybody,I´m a KNIME beginner trying to merge 3 CSV files. Therefore I wanted to use the ‘Concatenate’ node. Unfortunately it doesn´t work as I imagined.Each of the 3 CSV files include 5 columns...
View ArticleString or table as input for "Multiple Selections"-node
Hello KNIME-Community,I would like use flow variables or a table as input for the "Multiple Selections"-node to support the node with own "possible choices" and "default values". Unfortunately, the tab...
View ArticleProblems with optional parameters of Openbabel node
Hi KNIMErs,I found a strange behavior while using Openbabel node that could represent a bug. I'm trying to convert an sdf molecule to a mol2 one using MMFF94 atomic charges. This type of charges is not...
View ArticlePMML to Java Compiler Installer
Hi,I like to installer the library with "Compiled Model to Jar Write node".How to the generated bytecode can be exported as a JAR file using the Compiled Model to JAR Writer node ? Regards,Demetrius.
View ArticleString TO Missing Value
I am looking to transform a string with a placeholder value into a "missing value", but am not seeing that option in any of the Knime nodes.Really, I'm looking to combine two columns with the "Column...
View ArticleKnime Crashes after change in memory size
Hi All, I am dealing with large files \tables so I had to increase memory size in knime.ini but when i write something like :-Xmx16g or -Xmx2048m knime crashes and does not open. In 16g case, says...
View ArticleStreaming API and multi-threading: Tree Ensemble Predictor
I'm creating a workflow where I want to predict multiple classes on a rather large dataset. I thought streaming API could be very handy here. However I soon realized there seems to be an issue at least...
View Articleadding trail period to lock the nodes I am developing
Hi All,does anyone have any experience in adding a trail period and/or licensing server feature to there nodes.many thanks
View ArticleFile Download quickform - Question
Hi,I have a question regarding usage of new quick forms in Knime v3. I've built a workflow which converts an Excel file in a CSV file (or a zip file if it contains more than one sheet). At the end I...
View ArticleRoling Calculation
Hi all How can I do some rolling calculations ? The ideia is to get something like the following...
View ArticleDistance or commonality to Network Graph
Hello all,Quick question (hopefully). I have from our CRM around 7000 support emails. I extracted all of the emails and loaded them into knime. I created the documents, cleaned out special characters,...
View ArticleWhere can I find the server upgrade guide from 4.2 to 4.3?
HiWhere can we find the server upgrade guide from 4.2 to 4.3? ThanksDavid
View ArticleGeo Nodes: ReverseLocationLookup & ReverseGeocoder
Hello everybody.I tried to use the nodes ReverseLocationLookup & ReverseGeocoder to get an adress from Geocoordinates. But both failed. To verify theInput from GoogleAddressGeocoder: 52.36519...
View Articleknime not using Max memory java, why?
Hi,I set up knime.ini in order to increase the java memory knime should use. I set:-Xmx16G-XX MaxPermSize=2048mbut when executing heavy streams, that perform joins and transformation over millions...
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