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Reverse Proxy with Nginx

Hi,i would like to use reverse proxy (Nginx)  in front of KNIME server. do you have any such configuration to support ?Thanks,Rajesh

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MS Access Database Connection

Hi everyone, I'm new to KNIME,I have problem in writing the data back to MS Access database, Please help me.I tried to read the data from MS Access DB with the help of this link...

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Could not start python kernel

Hello,I have to rollout Knime in our company. I have 3 Windows 7 64 bit Test Clients. On 1st PC it works fine with Python, on 2nd I had an error "Could not start python kernel", but after opening IE it...

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Error executing Association Rule Learner (Borgelt)

Hi collegues,I have noticed that sometimes when I run the test workflow for several times the execution of Association Rule Learner (Borgelt) is interrupted and the rules generation process fails.This...

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Proper way to import KNIME Source features from the update site as a Plug-In...

Hello All,I would like to have access to the KNIME source code of nodes in order to tweak their functionality and immediately be able to test them. After downloading the KNIME Source features from the...

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Merge two .jp2 files

I am extremely new to KNIME and I am trying to merge two biological images into one image that are in the .jp2 format.  This feels like it should be simple, but I have had no luck getting this to work...

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Rule-based Row Filter Integer Column via Flow Variable

I have a list of 15+ million lines of integer values. I need to filter this list via a Rule-based Row Filter and I was doing this manually by using the IN function:$Sucursal ID$ IN (205603,207642)...

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learning to rank algorithm facility in knime

hello all,i was wondering if there is any learning to rank algorithms node like lambdarank, which can work on LETOR dataset and return list of ranked dcuments as per their relevance scorei will highly...

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learning to rank node, or BM25 node in knime

hello,can i use Learning to rank algorithms in knime and dataset as LETORregards 

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DL4J Regression question

Hi,I'm trying to learn how to use DL4J on simple regressions. I'm very new to this so please bear with me. I'm using the 04_Analytics \ 14_Deep_learning \ 11_Housing_value_prediction_using_regression...

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Python- How to loop over columns in using Python integration

Hello,I know how to iterate over rows in a python script, but I would like to iterate addtionally over columns. Is there a syntax for this?Thank you,Marc 

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Multiple column lag

Hi,I have a time series data with columns of consumption of different appliance (eg, TV, Electric kettle, washing machine, and so on ) I would like to lag each of the columns by 3 steps.I am expecting...

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AP-6851: Java Snippet: runtime classloader too permissive -- possibly loading...

Hi, Is this bug fix related to the developer days conversation where for example if multiple plugins provide a CDK then the wrong class can be loaded when trying to use the Java Snippet POJO -->...

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Xpath attribute name not extracted by //@*

Hi Knime community,I am struggling to extract the attribute names and values from XML with the XPath node and the XPath Query "//@*" whilst all attributes are extracted as expected. So far I read that...

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R script - 2 files (Tables)

Hi I have to join 2 tables using KNIME.1 table contains "Number" and "Slot"2 table "Number" and a column with a list of numbers (1,2,3,4,5,6,7...15)Moreover for each row the list is different and in...

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Can same Workflow be executable by cmd by number users

Hi,I have made a workflow which has number of workflow variables.I want to know whether different users can send different parameters to workflow at the same time and get the output they want.PS....

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Select First as "aggregation method" on Database Pivot Node

Hi, I'm trying to figure out how can I add as Manual aggregation method "First" on Database Pivot node.In the common Pivoting node is quite easy to select a lots of aggregation methods. You have:First,...

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Unable to fill few columns in table

I am trying to map a table in database from a CSV file. The CSV file has 5 columns and my table in database has 10 columns. I want to map 5 columns in table and keep null in rest 5.Unfortunately I am...

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Fail switch to use different node

Hi.I run into this problem every now and then, there is a node that sometimes works and sometimes doesn't, if it doesn't I just need ot use a different node. In the current scenario I have a file...

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Reading and saving the number of columns for Dimensionality Reduction

Hello everyone, I am currently running the "Dimensionality Reduction via Low Variance Filter" and  want to create a Chart with which i can see the accuracy on the y-axis and the number of columns on...

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