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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Novice question - Interpreting Linear Regression Analysis

I'm looking for a very simple explanation for a project I'm working on. I'm comparing unemployment data and median income based on level of education (Bachelors, Masters, College, Trade Certificate, ...
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Time taken to build logistic regression model weka vs rapidminer

We have 218000 labeled record with 7 feature( 6 real & 1 binominal true/false).we are trying to use logistic regression for training model using a .csv file. learning with weka with default ...
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61 views

How to use MaxEnt (logistic regression) weights?

I asked this question last night and Matt Krause explanation helped me a lot. (For more explanation please see my previous question). Now I have another problem. We are using RapidMiner studio and ...
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47 views

Low recall and high precision in text summarization

We are trying to generate a model to summarize Persian news. About 14000 news were summarized with help of humans(supervised) and then we extracted all sentences (about 180000) and labeled them (...
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35 views

Significant test using Rapidminer tool

I want to execute Statistical significance test on a dataset. I have 5 classifiers (K-NN, SVM etc) . I want to use Anova and T-Test using Rapidminer tool. Please let me know following: Is this ...
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32 views

Statistical significance test for comparing machine learning algorithms

I have to find statistical significance test of machine learning algorithms SVM, Random Forest and K-NN. I am using data sets (having 10 classes). I am using rapidminer for experimentation purpose ...
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25 views

How to assign a document to more than one class in Rapid Miner

I have a sample of 10K call centre text transcripts that have been classified according to a list of standard call reasons (taxonomy) My challenge is that a call can be for more than one reason - so ...
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202 views

ROC / AUC for polynomial Labels

How can I calculate the Area Under Curve for a classifier of a polynomial label in Rapidminer? I could only find a performance operator for binomial labels that provides the AUC value.
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275 views

Tool form Hierarchical clustering

I'm trying to perform a hierarchical Clustering Analysis in a dataset of 40 attributes and +70,000 records, which is mostly composed by categorical variables. I've used Matlab and RapidMiner to ...
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129 views

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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494 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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701 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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1answer
1k views

Loop over Tokens in RapidMiner's Text Processing Plugin [closed]

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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1k 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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329 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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205 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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440 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
539 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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929 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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284 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
2k 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
3k 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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1answer
3k 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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4k 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 ...