RapidMiner is a software platform that provides an integrated environment for machine learning, data mining, text mining, predictive analytics and business analytics.

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Combining instance-based learning with regression analysis to improve predictions

I have a table that contains items. Each day its possible that an incident can occur to some items but equally no incident may happen. I wish to see if its possible to create a prediction for the next ...
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53 views

Integration of Weka and/or RapidMiner into Informatica PowerCenter/Developer

Are there any existing integration packages (or similar) of Weka and/or RapidMiner into Informatica PowerCenter/Developer? I know there exists java-transformations in PowerCenter 9.x, so I could use ...
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64 views

Is there a way to get measure of predicting one value by another?

I'm new here (but not new on stackoverflow) and in stat in general. Now I just find couple stocks that are very similar (correlation about 0.9). And now I want to know if one stock can be used as ...
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71 views

Where/how is the Store (Model) operator connected in this process flow in RapidMiner?

I have created a process flow within RapidMiner that utilizes some loops. I'm not exactly sure where my Store Model operator should be connected to, in order to save the model parameters derived ...
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208 views

How to re-cluster new instance in centroid base clustering?

I have applied clustering algorithms like k-mean, k-medoid and DBSCAN on my patients dataset. For each algorithm RapidMiner generated a clustered model (centroid table and graphs etc) and a clustered ...
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314 views

Visualizing large file-based or Redis-in-memory stored large datasets (millions of data points)

I am very active at StackExchange's QuantFinance forum but thought this question is more suitable to be asked here. I am generating large time series data and store them in-memory in Redis ...
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641 views

Loop over Tokens in RapidMiner's Text Processing Plugin

is there any possibility to iterate over the tokens of a text document within RapidMiner? My first try was to window the document after tokenisation. But this seems very complicated. I'm doing this ...
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414 views

Evaluation of a classification model in Rapidminer

I have some trouble with the evaluation of a classification model in Rapidminer. I train a naive bayes and svm model by using a split validation (first training of naive bayes, then application of ...
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216 views

Density Clustering

I am looking for a clustering algorithm. My idealized dataset looks like this: The clustering result should look like the Rapidminer density plot: Means 3 or 4 clusters should be the clustering ...
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132 views

Problem with unequal distribution of classes in sentiment classification

I am performing a binary sentiment classification (positive/negative) with RapidMiner. My problem is that I have about 400 positive and 1350 negative documents. I get pretty good accuracy but ...
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218 views

Generating (forcing) confidence percentages in RapidMiner

I have a dependent variable (my 'label' in RapidMiner terms), that is a binary classification expressed as 'WIN' or 'NOTWIN'. I know 'NOTWIN' is exhibited in about 90% of all observations. When I ...
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2answers
342 views

Different prediction score for two SVM-based classifiers

As a validation study, I use two libsvm-based svm classifier against the same data set. One classifier is libsvm implementation in Rapidminer. Another classifier is Libsvm itself. Both of them assume ...
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488 views

Multivariate time series simulation in RapidMiner? [closed]

I'm actually "Getting started" with RapidMiner (RM). I'm an R expert but totally newbie to RM. The problem involved is analysing and forecasting the dispersion of multivariate timeseries (in finance). ...
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201 views

How can I find out if a subset of Stack Exchange users increase/decrease their post rate based on badges earned?

I'm trying to mine that Stack Exchange data dump to find out whether there is a cluster of users that may be positively or negatively affected by the number of badges they've been awarded. The theory ...
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1answer
1k views

How to interpret result for MultiModelByRegression in RapidMiner?

I couldn't find any information in the documentation of rapidminer. I have a data set with the following attributes: a,b,c,d,e. The types are: ...
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1answer
2k views

Text classification with RapidMiner

I have a folder for each class that contains some text files related to that class and need to implement a classifier for these files in RapidMiner with KNN algorithm. Is there any sample?
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2k views

Sliding window validation for time series

I have a broad question about sliding window validation. Specifically, I am looking at using Rapid Miner to predict future values of a financial series using "lagged" values of that series and other ...
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3k views

How to choose a data subset in RapidMiner?

I'm working with a CSV which contains approximately 220,000 entries. My aim is to predict one of the attributes (ATT1) using the other 3 (ATT2, ATT3, ATT4). I've been able to do this using ...