Keyword Workflow
Hello, Would someone explain to me how to put together a workflow that extracts sentences containing a keyword? I am fairly new to Knime so I am not to sure how to create one yet. Thanks!
View ArticleROC Curve Best CutOff Point / Find Optimal Threshold
KNIME ROC Curve Help RequiredHello All, How we can find the best THRESHOLD /CUTOFF POINT value for getting most TP (SENSITVITY) and least FP(1 - SPECIFICITY) (basically a cut off point) by ROC curve...
View ArticleError: Loading Model Settings Failed: Coding Issue: null
I have 3 settings model initialized in dialog. Two settings model get changed upon changing value of first setting model. When I click on apply * Validate settings * and *Load setting from validated *...
View ArticleFailing to connect to the Microsoft SQL Server Management
Hello everyone, I am now trying to connect to the classic Adventure Works database via the Microsoft SQL Server Management <-> Knime. I have already looked threw this forum but still can't solve...
View ArticleOptimize database writer execution in multiple operations
Hi collegues,I have noticed that when I use the database writer node for write a huge volume of data the workflow gets really slow. This problem is quite manageable when the volumes of data is not so...
View ArticleCannot Connect KNIME to Companies House via REST API (get 401 Error)
Hi EveryoneFirst off - I've gone in the first instance here on the Companies House developer forum. No responses as yet.http://forum.aws.chdev.org/t/401-error-accessing-api-through-knime/1211As it...
View ArticleMultiple combination of column aggregation
Greetings to all,I have a matrix of float values where I would like to make all possible combinations (mostly up to 5 columns combined) of columns through an aggregator node, where the output for each...
View ArticleImage Reader - TIFF Error
Hello,I'm trying to open Tiff images through the node "Image Reader" but it seems to be an unsupported file format. The preview says "Unsupported format". But the details of the images (through the...
View ArticleUnable to install KNIME Analytics Platform
Hi AllI have KNIME installed successfully on one of my laptops, but am struggling to install it on my other computer. It works fine on my Thinkpad Yoga 250, but not on my HP EliteBook 850G2.Some more...
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Odd behavior - column names with square symbols
Using Knime on a Mac with csv files, I often encounter that the column names become garbled when adding them to nodes (java snippet, rule based row filter, etc). See below:
View Articleview workflow metadata in Knime Explorer?
Is it possible to view metadata about my workflows, such as creation date, date last saved, etc. within the Knime Explorer?
View Articleconvert into high predictive throughput workflow
Cheminformatics Workflow performs substructure count on all molecules in a training set , uses these counts to build a classification model for all groups as per a particular nominal column in a loop....
View ArticlePivot Table and Concatenate Columns
Does anyone know a KNIME-solution for Pivot Table and Concatenate Columns:Further...
View ArticleBoolean input not working with IF Switch
Hello guys,just discovered that the Boolean Input node connected to the IF Switch Port Choice, always activate both paths regardeless of the input state.Is this a known bug?
View ArticleDatabase Writer SQLITE schema is Numeric but Input table is Long
Hello guys,I have found a stupid issue whereby I am saving Tweets via the Database Writer into SQLITE.The schema writes the tweet and user id as Numeric (they are long from the twitter api) and then...
View ArticleHow to consolidate data from multiple sheets into one?
Hi,Im new in using this Knime tool. How do I consolidate the data with multiple Sheets into one one Sheet? Can this be done in Knime? Please help :(
View ArticlePython3 still broken in 3.4
Users have been complaining about this for years and the python integration is still extremely tedious and does not really work consistently. It's annoying and yes I'm frustrated. This is still broken...
View ArticleCategorial values + Mining models (RF, GBT, etc)
Hello,I would like your comments related to how to use categorical values (string values in a column) in a mining model, like a Random Forest, Gradient Boosted Trees, etc.My question is related to one...
View ArticleRequest for an image of workflow being shared by experts from KNIME
Dear all experts from KNIME:At the outset, thanks for the prompt response and expert solutions that you all have been providing to the various posts in the forums.I request that an image of the...
View ArticleKnime Server, Disable Schedule flag checked
Hello,Rather strange one. I have scheduled the workflow to be executed on the server. But when the execution is finished, the workflow "disables" itself. Is that a common occurence?Happened to me for...
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