Example Workflow Data Mining fails
Running the example workflow "Webportal Data Mining - KNIME 20151204" with default settings returns an error for me: ERRORS PMMLWriter 22:72 Unable to clone input data at port 1 (No name available):...
View ArticleStructural Equation Modelling or Latent Class Analysis in Knime
Is there a way to perform Structural Equation Modelling or Latent Class Analysis in Knime? For the sake of clarity, Structural Equation Modelling and Latent Class Analysis are both techniques to...
View ArticleCSV reader not reading Chinese characters
HiI have a csv file with some columns containing chinese characters.csv reader is not reading them by default, even though in the csv reader settings, the encoding is specified as "UTF-8". Please help
View ArticleHow to sort nodes / categories in node repository?
Hi,I tried to sort my nodes (and categories) in the node repository by setting the 'after'-tag in the node extension description but it seems to be ignored. I put the node-id of another node. Is that...
View ArticleKnime 2.12.1: behavior of Column Filter QuickForm is not the same in Knime...
Hi all,I'm struggling with the node Column Filter QuickForm in Knime 2.12.1.Using this node in the Knime analytic platform (Knime 2.12.1) is fine: an empty selection is possibleUsing the same node...
View ArticleRule Engine equivalant to add (one) additional row instead of column?
My current issue is that I want to add as a row, instead of a column. I only have a single row with two columns, the new row has identical contents.This is for running in a loop.I currently solved this...
View ArticleSAS reader 2.12 vs 3 - bug ?
Hi all,There is a new version of the SAS reader not using any more the dsread library. Well, I have no problem when I try to load my files in the 2.12 version of this reader, but the 3 version loads...
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Sphere Exclusion
Dear All,I want to change a different kind of fingerprint in sphere exlusion node. ex) calculated Pubchem fingerprint by CDK fingerprintThis is not connect another fingerprint.Any ideas?Thanks in...
View ArticleNode description font size
Hi folks,I recently (finally!) upgraded to 3.1.1 under redhat and everything seem to be working fine with one exception: the font of the node description. I am attaching a screenshot to show how much...
View ArticleCommunicate with browser for google authentication
Hi,I have to authenticate Google bigQuery in knime. For desktop application google authentication require to communicate with web browser as well. How can i do this in Knime. Here is the procedure that...
View ArticleBatch file runs the module succesfully but no output genrated.
Hi All,I write a batch file which executes a module. In that module I just use one csv reader and csv writer but when I used a batch file to run that module it returns succesfull. Butout csv file is...
View ArticleRDKit Fingerprint node(?)
Dear All (particularly Manuel and Greg!),I have recently been wondering about a use-case in KNIME that I think would need some 'bridging' between the RDKit Figerprint node and the RDKit Molecule...
View ArticleAccess to data for example workflow of sentiment analysis
Hi!I recently started working with KNIME and I wanted to use an example workflow of sentiment analysis under https://www.knime.org/white-papers. To get the data I downloaded the Slashdot original XML...
View ArticleJSON to Table Node duplicates columns
Hi,I have a JSON string which I'm inputting to a table using the JSON to Table node. The JSON string consists of "Itineraries" within which exist sepearate "Itinerary" elements.However, when this node...
View ArticleNaive Bayes Learner
Hi,I should like to choose the predictors with the Naive Bayes Learner node, but there seems te be no such option.Is there a reason for this?Thanks,Kees
View ArticleSuggestion on large reasonable size of datasets and data subsets to be used...
Hi guys,The RDKit Diversity Picker node uses the MinMax method to select a desired diversity set. This method is computationally intensive for large datasets of compounds from which pick up and for...
View Articleeffect of input variables in prediction
Hello, I am using several classification models for prediction(naives bayes, decicion tree, neural networks and logistic regression). I like to get the information which input variables in my...
View ArticleNew feature request: Partitioning and Row Sampling nodes performing...
Hello guys,The Partitioning and the Row Sampling nodes are very useful to select meaningful subsets of a certain row set. Nevertheless it seems that the “Stratified sampling” option inside those can be...
View ArticleNaive Bayes on adult data set
Hi..I tried Naive Bayes on adult data set by following work FlowFileReader -> NaiveBayes Learner -> Naive Bayes Predictor -> ScorerBut confusion matrix is not generating right calculations.Am...
View ArticleFile size of saved workflow
Hi guys,I have a workflow I constantly work on, with about 100 images to run, and about 30 nodes. However every time I save the workflow the file of the workflow is about 50GB. This is due to the fact...
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