Decision tree predictions for NEW data
First, great work and great product!Having difficulty obtaining predictions from a SECOND set of data not used for training and testing. The target attribute in the SECOND data set contains blanks,...
View ArticleQuickform Node and Passwords?
I would like to prompt the user to login to a database using the quick form nodes. I can use the string input quick form node to ask for the username, but there isn't a special quick form node for...
View ArticleFeatur Calculator [bug]
If I click on the balloon with the i in it I get the text on the right side of the screenshot. When I hover my mouse over the link the curor changes shape as is expected when it is a hyperlink. However...
View ArticleImageJ Macro Node
Hi everyone,I am using the ImageJ Macro Node to transform a stack to a hyperstack and to do a Z-projection subsequently. When my images run through the node, there is always a short pop up window of...
View ArticleProblem getting error trapping to work to trap 'file not found' for file/csv...
I have a work flow where I want to check the content of an existing csv file. Complication is that, at the first time of writing, the file would not exist. In this case it is created later on by the...
View ArticleHow to write weka apriori algorithm results to file or another source !!!!
Hi everyone :)I created a workflow for apriori algorithm and i get very useful results.but weka apriori node doesnt have output port or i dont know how to use this node's output port.of course i can...
View Articletext processing - creating a filtering knime workflow
hey, i am a new user of KNIME and also just started looking into data mining. i have created a document where i have extracted data of a social media forum and put it in a csv file.i want to create a...
View ArticleWriting buffer: not enough disk space
Hi all,I'm getting the following error when processing an image dataset of several 100GB in KNIME Analytics Platform: Execute failed: Error while writing to buffer, failed to write to file...
View ArticleFinding nearest neighbour in a list of coordinates
What's the best way to get a list of nearest neighbours for each point in a list of point coordinates? I tried calculating the euclidean distance matrix, but am unsure how to then best get the nearest...
View ArticleSEVERE: Could not prestart executor: RMI executor could not be started,
We are trying to upgrade our KNIME ServerLite from 4.1 to 4.2.3, and at the same time upgrading the Executor to 3.1. We managed to update the server, and log in to it from a client.We could not update...
View ArticlePython Nodes. Logging
Is there any way to output logging messages to the KNIME console from within the diverse Python notes? (Like it is possible with the java snippet).
View Articledatabase connection to oracle
I am relatively new to knime and i have a problem with databases connections. I would like to connect to oracle.In new driver definiton I get an error: unable to locate JAR/zip in file system as...
View ArticleKNIME 3.1.1 Deprecated Nodes
I've migrated from v. 2.1.12 to v. 3.1.1. Is there documentation somewhere about replacement nodes in 3.1.1 for nodes that have been deprecated? I have workflows with lots of deprecated nodes. Some...
View ArticleDatabase connection reset
Hello,I am using a simple workflow to connect to DB2 server and pull some data. I iterate through the process.Basicaly I am usining this workflow:...
View ArticleCant access SQL Server, not errors
I'm trying to set a conection, which I was able to set on excel using the same data DB Driver: com.microsoft.sqlserver.jdbc.SQLServerDriverDB URL: jdbc:sqlserver://DBServer/dbNameThe thing is that when...
View ArticleSQL Code Extraction
Is there a way that the workflow created in KNIME can be exported as SQL code?
View ArticleNode: image to table how to add an ID Column
Hello Is it possible to add an id column when using the image to table node. My problem is, that i want to import user avatar pictures to a database an then matching tzhem to the user information which...
View ArticleNew user to KNIME
Hi, I am a new user to KNIME, i'm abit confused on how to start of with KNIME, I have downlaoded a dataset from HSCIC but am unsure what to do with that dataset in KNIME. Can anyone please provide any...
View ArticleHow to determine whether a SettingsModel in a NodeModel is controlled by a...
Hi there,how can I determine whether a SettingsModel in a NodeModel is controlled by a flow variable?Example: SmilesDirectoryReaderIf I enter nothing or a non-existing path into the dialog field...
View ArticleUsing Auto-Binner with PMML
Hello,I have a data processing flow which I want to export to PMML.It includes an "Auto-Binner" node, which has an output of "PMML Model fragment". What node can I connect it to? The "PMML...
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