Calling an xls file
Hi,Obviously I'm a new Knime user!I'm trying to start my workflow with an easy step, reading an xls file which is stored somewhere on the cloud, but It seems that the link that I have doesn't target...
View ArticleUsing validation data to choose the subtree
Hi,is there any way to reduce the tree size by pruning the validation data?Thanks, Alfredo
View ArticleSelfOrganizingMap
Hello: There are some node for representing a SelfOrganizingMap? I am using the SelfOrganizingMap Weka Node (3.7), so i would like represent the algorithm results in a colored matrix.Thanks.
View ArticleEmpty Table Switch Node Problems in Knime 3.2.1
I have a condition where a row filter may generate empty rows so i am trying to use the Empty Table Switch to generate a row with the desired columns and use the cross joiner to combine both...
View ArticlePlot and information about correlation between top features
HelloHow one can see the plot of correlated features and get it as a matrix as well?Malik
View ArticleGroup By Processing
Hello,I'm trying out Knime by converting some of my R text processing applications into Knime workflows. I've had pretty good success so far, but I've been stumped on how to get Knime to do group by...
View ArticleCannot read file "knime_container_20170131_705424570218304304.bin.gz"
Dear KNIMErs,I have a workflow with a nested loop structure with an outer loop of about 50 iteration and an inner loop of 1000 iterations. Specifically the number of rows to process is modest (around...
View ArticleTes4J - Letters are too large
Hey guys been a while,I finished the internship for which I developed a workflow in Knime. They are still using it today, YAY!!. However the Tess4J node has stopped providing them output. I have...
View ArticleCannot see my custom KNIME node in "Node Repository" pane of KNIME
I develop a simple custom KNIME node by following this article:https://tech.knime.org/developer/example/extension-wizardIt works properly in KNIME - Eclipse SDK environment. I have hard time to deploy...
View ArticleRowID -> Transpose (ensured uniqueness in RowID but duplicates still detected...
I'm trying to use the first row of an output table as the column headers.I came across a forum suggestion to Transpose >> (Filter) >> Row ID >> Transpose. I tried it but experienced...
View ArticleBug Report Knime 3.3.1 - Reconfigure Metanode Wizard - Add Ports not possible...
Hi everyone,I just updated from Knime 3.2.1. to Knime 3.3.1 and I love the curves :)However, I just noticed that I am unable to reconfigure metanodes in terms of adding "In Ports" or "Out Ports"...
View ArticleInternet Connection after installation
Hello,We have determined that KNIME tries to connect to the KNIME server after the installation via the Internet. Our IT is somewhat worried about it. Can you explain the purpose of this connection in...
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Read multiple Excel files and append file attribute to each row
Hello,i am new to KNIME but so far i like it.Now i run into my first problem. I want to read multiple files from a directory and merge them for further analysis. Unfortunately i have to work with bad...
View ArticleDifficulty Joining Tables
I have subscription sales data that I am working. Companies subscribe to a product which can consist of a number of different modules. I am tracking quarterly results, and therefore am looking to...
View ArticleDifficulty Joining Tables
I have subscription sales data that I am working. Companies subscribe to a product which can consist of a number of different modules. I am tracking quarterly results, and therefore am looking to...
View ArticleRounding .15 in KNIME results in .1 instead of .2
Hello,That is really strange, but it looks like KNIME rounds numbers incorrectlyI've tried both math node and round double node, In math node I use: round($column1$,2)And in round double I use half-up...
View ArticleSet document category for later use as document class
I'm doing a basic tag ranking through the examples of the knime.But I have a hard time understanding how the "Category to Class" node works because the file goes in without the classes and exits with...
View Articletwitter API
Hello everyone, I keep receive this message while trying again and again to use twitter API connector and Twitter post tweet.I have check API key, API secret, Access token and Access token secretI have...
View ArticleError: object 'knime.in' not found
I am being driven crazy by this error. The data I am trying to manipulate in the R script is taking a while to load (circa 20-25 seconds) and hence the execution of the code is failing.I built a 25...
View ArticleRemove the last character of a string
Hi Guys, I am trying to remove the last character of a string column, but I am unable to so. Basically what I want is this:...
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