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Questions tagged [rapidminer]

RapidMiner is an environment for machine learning, data mining, text mining, predictive analytics, and business analytics. RapidMiner is written in Java and it was open source. There is an open source version and an enterprise version with additional features and an API to write own extensions.

RapidMiner is an environment for machine learning, data mining, text mining, predictive analytics, and business analytics. RapidMiner is written in Java and, from version 6.5, provides an open source version as well as an enterprise version with additional features.

511 questions
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Suitable platform for Dashboard: Pentaho, Liferay, RapidMiner or J2EE (JSF, EJB)

I'm evaluating platform for build dashboard using Java technology only and I want to know the best suitable to this. I'm looking for solution in these categories: Easy to develop, programming, extend and integrate with databases MySQL and DB2. Good…
Bera
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Query optimization and comparison with impala

I am working on PowerBi and use SQL server as database. I used views or direct tables as source to PowerBi . My views are simple select queries with simple joins. I am not finding any scope for query optimizations. Query execution takes time in SQL…
Harshada
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RapidMiner Sentiment Analysis

I have a collection of short messages classified as positive or negative which is saved in an ARFF file genereated in WEKA. I would like to move this data to RapidMiner for classification and processing purposes. Being a complete newbie in…
NightWolf
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RapidMiner replace zero number with a "missing value"

I have a dataset that has lots of zeros, but I want to remove the zeros and instead replace them with a missing value or a NaN value. I've tried using RapidMiner operators: Map Replace Replace missing values Replace all missings and none of them…
Julio Orrego
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Rapidminer count total occurrence and sort by date

I have rapidminer example set like this, ID Issue Exp 100 9/8/2020 11/8/2020 100 8/5/2019 9/5/2019 101 6/3/2020 10/1/2020 102 8/15/2020 12/12/2020 I want to add a new column which will count the occurrence of the ID by…
Tahsin Alam
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How to filter string value in an attribute in RapidMiner

I have an attribute called Age. Some values in the Age Attribute is not integer at all. For example, 12W, 30Lo, Giraffe. I want to filter out values that are not an integer.
Kurt Lopez
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I have a problem with filter stopword operator in rapidminer

I am working on a sentiment analysis project in Persian language and I use rapidminer to this purpose.. I installed the rosette extension for some text preproccesing purpose in this language such as tokenization. I have a problem with filter stop…
atefe
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Rapid Miner 101

I'm back with a question. I'm playing with Rapid Miner for automatic text classification and cant get it work. I'm getting an error that says, "no example set in the example, offending operator Performance ". Any idea what that is referring to ?
Tinglin
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ValueError when returning pandas DataFrame from Execute Python processor in RapidMiner Studio

In RapidMiner Studio 9.5.1, after my python script completes, I can print the resulting dataframe and see that it is produced as expected with the proper columns. The rapidminer processor yet fails with the message: Exception:…
Manthos
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Rapidminer variable importance

I want to know the variable importance of our models, which has been built on 3 models (random forest, deep learning and gradient boosted tree). I know you should use "weight by tree importance" to asses the variable importance for just the random…
Frank Li
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How to merge row of data and count sum of value in Rapidminer

1) I want to do like this !! (merge Date like a column 3 and count values each Date like a column 4) .2)This is my result. I want to merge ex. Dec 1 and count all of Dec 1 like picture 1 3) this is my pivot setting (1.Group by…
re.tk
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Could not find the java executable in default path or ${JAVA_HOME}/bin/java

I'm trying to install rapidminer on my Debian 5.2.9-2 kali1 (2019-08-22) i686 GNU/Linux, but i have an issue when running the .sh to install it. I've installed openjdk-8-jdk openjdk-8-jre which is the required to run rapidminer but i'm getting this…
Geovani Benita
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What is the filepath that a "Read CSV" operator needs to read a file from RapidMiner Server?

I have a RM Server running on a VM (Ubuntu) on top of my Win10 machine. I have a process to read a .csv file and write its contents on a MySQL database on a MySQL Server which also runs on the same VM. The problem is that the read file operator…
Christos Karapapas
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Is there a way to use periodicity in a regular expression?

I'm trying to find a regular expression for a Tokenizer operator in Rapidminer. Now, what I'm trying to do is to split text in parts of, let's say, two words. For example, That was a good movie. should result to That was, was a, a good, good…
Christos Karapapas
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Cannot resolve symbol EvaluatorUtil

I am very new in both pmml and android field.I had follow the code in https://github.com/jpmml/jpmml-android/tree/master/pmml-android-example but EvaluatorUtil symbol cannot be resolved.So I follow suggestion in android and import…
Yiyi Niw
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