Variables in Workflow to workspace variable
Hello,(sorry if already answered, but i couldnt find in the forums)Is there any way to write variable outputs from nodes in a stream to the variable list of the workspace? (Image attached-- basically...
View ArticleSubstructure search and fused rings
HiI'm using the RDKit Molecule Substructure Filter to filter molecules using small fragments (generated with the MoSS node) as queries. Everything works as desired 95% of the time but in certain cases...
View ArticleAn error has occurred - see the log file
When I start Knime now, the splash screen appears as normal, but then after a bit I get the message An error has occurred - see the log file (in Configuration folder). Clicking OK on this dialog box...
View ArticleRun command line with database connection
Hello,I'm trying to run my workflow in command line, it runs sucessfully but doesn't write data in my database. Must I pass some argument for database connection? Thanks
View ArticleDe-Duplication and Merging of Rows
Hi All,I'm just starting to learn Knime. I would like to use Knime to first identify the duplicate records in my table based on email address. Then determine when record of the duplicate will be the...
View ArticleRemove labels on Pie Chart JFreeChart
Is there any way to do this? I have a pie with lots of sections and it looks a bit cramped. Thanks!
View ArticleHow to change the "?" representation for a missing cell?
Hi forum,how can I change the representation of missing cells in an output table? By default, they are shown as "?"I did not find something like a MissingValueRenderer. The question mark string comes...
View ArticleHow to convert Arff (Weka ) format to LibSvm Format
HiHow to convert Arff (Weka ) format to LibSvm Format. I mean LibSvm format as : <label> <index1>:<value1> <index2>:<value2> ... ThanksMalik
View ArticleHow to convert CSV format to LibSvm Format
HiHow to convert CSV format to LibSvm Format ? BestMalik
View ArticleXML validator to check elements
Hi everyone,I struggling to extract some information from XML data. They are not totally corrupted. But, some XML files that I extracted have structure problems in their elements and I lost some...
View Articlebug? can't change a template node's link type if it is inside a metanode or...
Don't know if this is a bug, but it seems you can't change a template node's link type if the termplate node is already inside a metanode or a wrapped metanode. You can only change it if it is in the...
View ArticleR snippet graphical output/console input
Hello,I have implemented my R script in KNIME using the R snippet node. I have some issues :1. I cant seem to get the grapical output from the KNIME snippet when i run it. It does produce the console...
View ArticleReplace string with a point
I need to replace a string (with the replacer node on a document) with a point in the middle for instance "aaa.bbb". I tried all kinds of regular expressions but didn't succeed. Curious enough...
View ArticleReport column returning null - Call Remote Workflow
HelloI am getting the list of values(using some computation) in the outer workflow and for each value, the inner workflow will get called. This is the place whereI am using Call Remote workflow...
View ArticleHow to enter list of Compound IDs
Hi,I want to deploy a workflow through the Server Web Portal that allows a user to enter one or more Compound IDs. The structures would then be fetched from a database, followed by a number of QSAR...
View ArticleImage Column Writer: network path not writeable
Hi,When I ask Knime 3.2.1 on Win 10 to use the Image Column Writer with a Windows Share mounted as a drive, it wrongly tells me that this path is not writeable. Writing to local paths is no problem...
View ArticleCasting to XMLCell or XMLBlobCell
Hi,I am using the Structured Data --> XML --> XML Reader to import some XML into KNIME columns. In another node, I wish to read that XML and something funny happens:This line...XMLCell xmlcell =...
View ArticleComparing Date Ranges from two Tables
Hello,I have two tables. The tables both show: the Wellname, the Well ID, Start DateTime, End DateTime, and a comment. Both tables can have multiple rows for each well.Essentially, I am trying to see...
View ArticleRule-based Row filter LIKE OR combined
I have a column named appt_name which includes free text.I want to keep only the rows that include at least the words "repair" OR "service"I use the Rule-based Row filter node and I write the...
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