Execute failed: Duplicate column name
hi im using knime and i always get this error Execute failed: Duplicate column name when using nueral network how can i solved please
View ArticleHow to trace back to the original Document in...
We noticed the 1st row0 in "Decision Tree Preditor" node is mis-classfied(it should be NEG, but POS is predicted), so we want to trace back to the original document, could you show us how to find...
View ArticlePotential Bug with "End If" node
Hi,It seem that "End If "node, works properly for passing the correct conditional data port as selected within the "If Switch" node, However, if both top and bottom ports, has a flow variable with the...
View ArticleHow to configure CommunicationError (Session Time Out)?
Hi,Can we control the session time out or Communication Error (in the KNIME URL)?In web.xml, aIthough default <session-timeout> = 30 mins, I did not see Communication Error in the URL even after...
View ArticleRead a row and then create a new row/rows
Hi all,I am very new to Knime. I was wondering if someone can help me on this matter: I need a workflow to help me read a row and then create an additional row. Sometimes it might be more than 1...
View ArticleCloud Tag
Could you please explain how number of rows works? If it cuts first N rows or take N most frequent rows to build a cloud? I'm wondering becouse chnging number of rows I'm getting different words in the...
View ArticleIs there any "content-based" filtering recommendation EXAMPLE？
or some similar EXAMPLEs ?Thanks in advance.
View ArticleAutomate Knime install
Hi,We are using Knime on linux, and we want to automate the installation it as much as possible.This includes:install licenses.create workspace.change workspace prefrences.install addins.Is there a...
View ArticleDatabase Writer: Reserved word as column name
Hello everyone,I have a table with a column named "end" which consists of timestamp indicating the end of an event. However, it seems like "end" is a reserved word for PostgreSQL, therefore I am...
View ArticleMerger node for Labelings
HiI have a series of labelings arranged as columns in a table where each labeling is a single time-point from a time-series. I would like to merge these labelings into a single entry. This is exactly...
View ArticleMinor update to v 1.8.5
Today we have updated the nightly build of the Vernalis nodes to v1.8.5. This minor update fixes undesired node execution failure when the SpeedySMILES de-salt node encounters an empty or missing...
View ArticleMissing CSpec when building KNIME-Buckminster example at the command line
HiYour post is really awesome! Right on the mark for people building up the infrastructure to build knime plugin!One quick question:I checked out the source...
View ArticleInstall KNIME Extension - Error
After having KNIME plafform installed and running on a Windows environment, I was able to upload data to be analyze. However I encountered an error when going to install extensions. I took the...
View ArticleBatch Mode Execution: Queries
Hi,I have few queries regarding batch execution in knime1) Can I supress warnings in console log window.?There are lots of nodes created with empty tables, missing values (purposefully). So console log...
View ArticleKNIME sql query node to run over previously executed query
Hello, I am quite new to KNIME and have found myself stuck with an SQL query issue. My 4 steps need to go as follows :1)Establish connection to database 2)Run SQL query on database to retrieve...
View ArticleKnox gateway configuration ?
Hello,I would like to connect to my Hadoop cluster through a Knox gateway to do webHDFS over Https.I have the BigData extension (free trial) but I don't find any documentation to setup such...
View ArticleKNIME Platform error & Cannot install extensions
Hi there,I’m having trouble installing Text Processing extensions on the KNIME instance we configured for KNIME Server. I get some errors in the error log but not sure what is wrong. (Attached is the...
View ArticleWorkflow generation from command line
Hi,Is there any way to generate the knime workflows from command line? I do not want to use GUI autmation tools. Thanks.
View ArticleK-Modes implementation in Knime
Hi ,I'm trying run clustering algos on a dataset which has categorical variables. R has implementation of an algo called K-modes. Does KNIME hav a similar implementation ?If not, what other nodes can I...
View ArticleHow to apply t-test or other feature selections on gene expression data
HןHow to apply t-test or other feature selections on gene expression data ?
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