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Questions tagged [knime]

KNIME (Konstanz Information Miner) is a user-friendly graphical workbench for the entire data analysis process.

KNIME is an open-source data analysis software, with various plugins from different areas. It has plugins from text mining to image processing, including the chemical structures and high throughput experiments.

KNIME Desktop is available for Windows, Mac and Linux under GPL v3 (or a custom license).

KNIME stands for Konstanz Information Miner and can be run on a centralized server with an integrated web interface or as standalone Rich Client. The client is based on the Eclipse Platform with the plugin and update mechanism. KNIME also offers job scheduling.

297 questions
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Create sequential IDs for rows

In Knime, how do I Create sequential IDs for rows. I want to use them for assigning primary IDs in a dimension. Also I want to know, how do I only take a limited number of rows, (like top 5 or bottom 10), and get a random sample
schaw shutter
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SQL/Knime - Transpose Table with "Group By"

The title is horrible but that's the best I could do. What I have is something like this: Country Tag Weight ----------------------- 1 1 20 1 2 30 1 3 77 2 1 10 2 2 11 2 3 …
colithium
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regexReplace in String Manipulation KNIME

I'm trying to remove the content of all cells that start with a character that is not a number using KNIME (v3.2.1). I have different ideas but nothing works. 1) String Manipulation Node: regexReplace(§column§,"^[^0-9].*","") The cells contain…
user4429422
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KNIME Reporting Tool

I am trying to make use of KNIME tool for our DB reporting purpose. Our DB is SQL Server. I am able to perform a successfull DB read operation also from KNIME. But I am not getting the idea of its deployment at about 100's client boxes. Do we need…
Programmer
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Calling Stored Procedure using Knime

I tried calling a stored procedure using DatabaseReader node but it does not worked for me. Can anyone suggest me how I can call a stored procedure in Knime? Thanks, Krishna
Krishna
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Linking my java application with knime

I am designing a Java applet based application that has to interact with "KNIME".I want to take a file as input in the applet and send that to "KNIME" file reader.I want to generate a histogram from JFreeChart and and writing the output into a JPEG…
BarathVutukuri
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Using Mac Automator to run a Knime Workflow

I couldn't find a solution to automate a Knime workflow with MacOS. What kind of options does it have out there? I've tried using Mac Automator, but it didn't worked out.
gpichioni
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"An illegal attempt was made to upload a document" when passing a url in a FormEncodedHTTPEntityCreator

I am uploading a file with a post request. In the form data, being inspired by curl I have given the following form parameters type=144&parent_id=819449945&name=success5&file=@D:\CustomTools\omicron\test.xlsx I then pass this to an HTTP Entity…
dearn44
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Regex to remove duplicate numbers from a string

I have produced a data set with codes separated by pipe symbols. I realized there are many duplicates in each row. Here are three example rows (the regex is applied to each row individually in…
citizen4
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How to write regex in Knime Unpivoting node to select columns

I am attempting to unpivot COVID-19 data in Knime with the Unpivoting Node. The data available from Johns Hopkins at https://github.com/CSSEGISandData/COVID-19 is wide format where each new day of data is added as a new column. I can manually make…
DanV
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Merging two eclipse plugins

I'm currently learning how to make some plugins for eclipse. I first developed a plugin for the KNIME project . This project contains a plugin.xml and a MANIFEST.MF file: (...) Bundle-Activator: project1.MyNodePlugin (...) The second project is a…
Pierre
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KNIME - Execute a EXE program in a Workflow

I have a workflow Knime, in the middle I must execute an external program to create an Excel file. Exists some node that allows me to achieve this? I don't need to put any input or output, only execute the program and wait to generate the Excel file…
MiBol
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Difference between database connector/reader nodes in KNIME

While creating some basic workflow using KNIME and PSQL I have encountered problems with selecting proper node for fetching data from db. In node repo we can find at least: PostgreSQL Connector Database Reader Database Connector Actually, we can…
nervuzz
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Set Batch Size *and* Number of Training Iterations for a neural network?

I am using the KNIME Doc2Vec Learner node to build a Word Embedding. I know how Doc2Vec works. In KNIME I have the option to set the parameters Batch Size: The number of words to use for each batch. Number of Epochs: The number of epochs to…
Make42
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How to get KNIME workflow name within a workflow

Which node do I need to get a KNIME workflow name within the workflow? I am using KNIME version 2.11, and would like to add this information to the table being created.
Shin
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