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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.

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KNIME - Strings to Document node on more than one attribute

I’m developing a Naive Bayes classifier using the following dataset (https://www.kaggle.com/crowdflower/twitter-user-gender-classification/data). What i’m trying to do is traing a classifier which allows me to predict the user gender based on…
Giordano
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KNIME mysql table update

I am just now learning KNIME. I have successfuly set up a MySQL connector and connected a database reader to it. Then I did a database writer that basically aggregates data and pushes it to a new table. My problem comes when I just need to do a…
MJCS
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knime node Subset Matcher

The “subset matcher” node in “Using Association Rules” searches my products in the association rules database but returns the sorted list. For example, for the existing list in the database (21, 12, 15), “subset matcher” returns the list (12,15,21)…
José Antonio Blanco
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Schedule Knime Workflow

I need to schedule Knime Workflow to run daily as I wasn't able to understand/put together the steps in (knime.com/faq#q12) due to my business background. My environment details are: Operating System: Windows Server 2012 R2. Database: Reading from…
Khaled
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Two Way table in knime?

I am new to KNIME and I have a question, I have column splitter node that is outputting one column and one row. This will naturally have one value in the cell. I want to feed this value into a column of a table in KNIME. How do I do this? I Don't…
RLearner
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Problems generating PMML for 10-fold cross validation knime

I am working with KNIME and trying to train my Naive bayes classification algorithm with test data. I tried to use 10-fold cross-validation to make my results accurate but I am not able to generate the PMML model: I keep getting the error Loop end…
man like dave
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knime youtube api search result next page

I am using the example server provided by knime to get youtube search result. But I am only able to get maximum 50 results. how do I get access to more results? https://www.knime.com/nodeguide/data-access/rest-web-services/access-youtube-rest-api
Nilam Adhikari
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Using the String replacer node in Knime to extract a number from a string with Regex

I'm trying to use the string replacer node in Knime with a regex expression to standardize a field in a database. I need to extract a number from a string, and then replace the entire string with that number. For example, String: The Yearly order…
Kat McGough
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Overfitting despite of Missing value, Tree Based Learing

my fellow students and me, we are working on a educational machine learning project and we are stuck with a overfitting-problem, as we are quite unexperienced to Data Mining. Our business case is about retail banking and we aim to search for…
ste92
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Load elasticsearch data in knime

I have a database loaded in elasticsearch and I would like to access it from KNIME to be able to make a recommendation system. How can I connect both applications?
José Antonio Blanco
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How to push and pull data to KNIME

I have a front end website which asks questions and then collects this information in JSON format. I am looking to push this data to my KNIME decision tree workflow, then ultimately push the results back to the front end. This should display some…
Angad
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Conduct Knime Workflow using Web Input

Does anyone have experience using inputs from a web-app into their Knime workflow? I'm thinking of using Python to somehow pull the .json or .csv that the website creates as input.. but I'm struggling on how to begin going about it. Happy to provide…
matrixfox
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Can KNIME create a decision tree based on a set?

I have data that contains sets, for example (this is not my real data): Name, Type, Colors Pikachu, Electric, Red|Black|Yellow Raichu, Electric, Brown Meowth, Normal, Yellow|Brown Togepi, Fairy, Yellow|White|Blue|Red Eevee, Normal, …
Kobi
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KNIME - how can be decide seed value on x-partition node in the anime

I used Artificial Neural Network . So I need to seed value but I do not what value will I set ?
Murat Yılmaz
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The configName must be a non-empty string in KNIME

I am trying to see configuration page of the KNIME node which i just published to my KNIME analytics tool. Getting error "Error while creating node dialog for 'Readadwords': The configName must be a non-empty string" where Readadwords is my node…
Padma
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