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Ensemble Model

Hi Guys,Is there any link/document for implementing ensemble model using KNIME bagging type?Oraware

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Delete Row with zero strings

Hallo, I´m new here in Knime. I want do delete rows with a "Zero" String. The Missing Value node doesn´t work. What can I do else? Thanks a lot

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Geo projection datum convertion

Hi,I'm searching some plugin that let me change my dataset of geocoordinates in lat, long from the ED50 projection to a WGS84. I install some palladian Geocode functions but there is anything about...

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Sorter in Column List Loop

Hi,I have a table with 4 columns and I would like to sort all of them in Ascending order.So I created a worflow withColumnListLoopStart --> Sorter (with FlowVariable    Incllist 0 =...

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KNIME crashes due to the second execution of my node

Hello everyone,I'm developing an integration project of some KEEL algorithms (http://www.keel.es/) in KNIME and I have a strange situation to fix. I created a classification node that implements the...

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Document classifiaction 50% classified by pos/neg and 50% are unclassified ->...

Dear KNIME community,i am new in this Forum and looking for help. It is my first post in life.short description about i want to build:I do have 7.000 posts from social media in an excel file. I added a...

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Google analytics refresh token

Hi, I'm calling URI on google API for having data from google analytics thanks to Get resource (batch) node. On my URI I have at the end of the query a token, but the pb is that token is available only...

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Bar chart not created from Occurrences table (Statistics Node) or table from...

I can not create a bar chart from an occurrences table. I am able to create the table in several ways. Two of them are using the following nodes: 1. XLS Reader2. Column Filter (to select 1 text...

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could not start python kernel

I encountered the following error while running a workflow with a python snippet on our KNIME server.ERROR Python Script 3:531:0:534:0:534:498: Execute failed: Could not start python kernel We are...

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Backward Elimination Feature

Hello,I am working on my data set kind of prediction and I am pretty confused with Backward Feature Elimination. My data set has 1140 records, and 33 attributes, 3 attributes are integers and others...

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Comparing Naive Bayes Nodes

Hi guys!I'm practicing and learning about Naive Bayes classification on Knime.Most of the time, I'm trying to understand more about Weka nodes.I've got a different result using Naive Bayes from Knime...

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Space insertion after numbers in a string

Hi, I've a list with different strings and want to insert a space between numbers and text:String (example): "TextA, TextB, 35897TextC" I want to insert a space between 35897 and TextC => "TextA,...

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FileStorePortObject help

Hi All, I'm interested in developing a new cell/port type for KNIME based on a well structured but complex data format with it's own renderers and views.  These cells/ports will contain a fair amount...

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CDK Render handling of missing cells

HiIt seems when creating CDK cells already missing rows (and maybe also failed conversions) are removed. In my implementation, if I have a missing cell come in I have a missing cell go out and missing...

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Weka nodes

Hi all!I'm playing with Weka nodes for data mining and I couldn't understand why is not possible to see the summary of results.Above you check a print from Knime and a print from Weka.I really...

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Oracle JDBC problem with WebPortal Version 4.2.5 - Could not register...

I have a Database Reader node that picks up some data from an Oracle DB.  It works when run from the client.  But if I "Reset" this Database Reader node (so that the yellow light appears) before I...

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knime -nosplash fails on linux

I'm new to this so thanks in advance for your patients.Trying to run a new install of knime.In the FAQ it gives the instruction of knime -nosplash -application...

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Weka 3.8

Hi guys!Do someone know when is possible to expect Weka 3.8 on Knime?Cheers

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knime 3.1.2 hangs in startups

Hello everyone,I just downloaded knime 3.1.2 in my linux box (ubuntu 16.04) with an Intel i7 and 8GB RAM. The first time it took a long time to start. When I tried to open a the local example workflow...

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generic javascript view - dependencies

I thought it would be interesting to implement InCHlib (http://openscreen.cz/software/inchlib/home/) in the Generic Javascript View node, but I'm not clear how one might reference indirect JavaScript...

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