Thin space between numbers
Hello all,I am currently reading a CSV file from a server with the File Reader. All the values can be read but unfortunately between every visible number, there are three invisible spaces. Therefore, I...
View ArticleKNIME Blog post: Using the RDKit from JavaSnippet nodes
This KNIME Blog post may be interesting to people in this community:https://www.knime.org/blog/using-custom-data-types-with-the-java-snippet...It's a bit of an advanced topic, but opens up lots of...
View ArticleR Learner node with 2 input ports (Training and Validation)
Hi, I’d like to minimize the generalization error by pruning a decision tree using a validation set. I know that Knime actually doesn’t support this feature. So I thought to configure a R Node (like...
View ArticleHow to precisely calculate circularity of objects
Hello together,I'm currently working with Knime to analyse images. I want to calculate the circularityof objects. I therefore started with self-drawn circles (see attached photos).First I let KNIME...
View Articlepython script with multiple IO
I've just read some apparently obvious posts but those were not satisfying, at least for me. My question is how should we modify python script nodes, so that we could use more than 2 IO ports (as we...
View ArticleDisplaying UTF-8 based characters in data views
KNIME Nodes save data for intermittent inspection. However UTF-8 based characters like '的' show up for me as 'çš„'; see attached picture. I have looked at DataColumnSpec and StringCell, but did not...
View ArticleHow to change JFreeChart Line Chart color
Hi,The Line Chart (JFree Chart) node by default plots a red line. If you feed it with multiple columns the lines get different colors. But is it possible to change the color of a single line plot? I...
View ArticleDCM (DoubleClick) /DFA Reporting And Trafficking API
Does anybody have any experience in integrating the DoubleClick (DCM) reporting API into a KNIME workflow?
View ArticleLogistic Regression Variable Importance/Factor Strength
Hi everyone,After building a model in Knime, is there a node or way I can visualise and assess the importance and strength of each individual variable? I want to be able to justify why each variable...
View ArticleWords written a little bit different
Hello,I am a new user and i have a little question.I have a list wil all kind of words. Sometimes a word is written a little bit different. Like: Marlou - marlou - Marlo - Malou - Marlu I want to know...
View ArticleGoogle Analytics
hii want to connect to the Google Analytics API, i can not find profile ID for Google Analytics conector node in Google Analytics setting!!Someone can help me?
View ArticleHow to let user set a variable?
Hi all,I am very a beginner in Knime. How can I let the user set a variable? For example: "threshold"I habe a table with two columns: student, score.I want to select all the students whose score >...
View ArticleGet two workflows executed sequentially
I need to run two workflows one after the other. The first one generates a file while the second one consumes it. I know how to collapse the workflows into meta nodes, but I don’t know to string the...
View ArticleHive Connector problem in Batch mode
Hi,We try to execute the Big data connectors in batch mode, and seem there is a problem.To re-produce the problem: Create a simple workflow with only a "Hive Connector" node. Execute the workflow from...
View ArticleNormalized Class Distribution - Decision Tree Predictor Node
Hello,I want to plot a ROC Curve comparing different learning algorithms which works well so far but I do not really understand how exactly the "P"-Value is calculated which is generated by the...
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How to do UNION with several csv files
Hi Knimers!Playing with DCM data: (https://developers.google.com/doubleclick-advertisers/dtv2/reference/fil...)This means that I have one CSV file per date and hour and this also means that if I desire...
View ArticleHow to fix the rendering of bit string to set bits in Rdkit fingerprint...
Hi all, I am a novice in using RDkit fingerprint node. I have been using the node to generate the MACCS fingerprints of a sdf file. The output is in the form of bit string and I am able to see the 'set...
View ArticleCannot register new jar file
I have added postgres jar files to Knime without any issues in the past, however, I am currently trying to register a new Presto/jdbc jar file and can't. preferences > Knime > Databases > New...
View ArticleResolving duplicates of similar personal identities
Hi there. I'm a newbee to KNIME and am loving the product so far!!!We have a tables which contains infromation about individuals (name, address, DOB) and specific unique identifiers (drivers license,...
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