Text processing operators on example set
Hello Everyone, I have several csv files, that looks the same: they have 2 attributes; a word list (extracted from a document), and their occurrences. First, I have to filter them. For that, I made a...
View ArticleSchemas design, OLAP , ETL, and dashboards
Ive worked on OLAP cube design using star and snowflake schema in SQL Server 2012 earlier.. But now we wish to move on to an open source platform. So, please suggest is it possible to build a star...
View ArticleDiscriminant Analysis
I wish to understand the output (from model port) of both LDA & QDA (Linear and Quadratic Discriminant Analysis) operators. When running on a small dataset (1 binomial label & 2 real number...
View ArticleText Mining Generate n-germs giving me bad results
First time user of RapidMiner so be gentle. I have a file of support call notes that I'm trying to text mine to get the most used 2-word phrases. I've watched a couple of videos and read a...
View ArticleIs there any way to find common values in records?
Would you Please guide me to convert my CSV data file: 1,A,C,Z,F,G 2,G,Q,R,C, 3,Z,G,Q, 4,C,F, 5,O,P, 6,O,X,Y,J, 7,A,P,X,I have this table with ~1,000,000 records like these 7...
View ArticleIssue in Creating New Processes in Educational License Version ?
Helllo, I have been using RapidMinder, the Educational license version. I am not able to create new processes. In fact the "Create and design process" is not active as shown in the attached file. Are...
View ArticleDeploying a war in EC2 machine with linux, that runs rapidminer
Hi everyone, well here's my issue i made a java application in spring boot packed in a war, there i called 2 .rmp files which are processes in rapidminer. when i run the app in a local server in...
View ArticleQuestion regarding text mining tutorial: problems with reading .txt file
Hello, I am a newbie to this and I've been studying text mining tutorial video posted by Rapidminer on youtube. (https://www.youtube.com/watch?v=VbNhvYQZ2v0&t=717s)However, when I used the...
View ArticleImporting dates automatically with standard european time format?
Dear Rapidminer Community, I have got this format: "01.01.2017" in a table.As soons as I import it into Rapidminer I get this: "Jan 1, 2017 12:00:00 AM CET" Is it possible to switch Rapidminer to...
View ArticleConverting Example Set to Example set (Data Table)
I'm using the Extract Entities operator by Aylien and it outputs an Example Set. I want to select only a few attributes using the Select Attribute operator, but it won't take the output from the...
View Articleconnection with vertica db
i make de connection with jdbc for vertica db, but when i press the button test, show me this msg "vjdbc" 100024, exception while communication with the server. java io EOF Exception. thks.
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Crawling numeric data from webpage
webpage crawling numerics tokenize Hey, I have a problem with a webpage crawling issue where I would like to read prices from a table like...
View ArticleProblem displaying decision trees node labels
Hi. I am currently evaluating Rapidminer and going through the tutorial, so, my apologies if I am missing something obvious. I have trouble getting decision tree graphs displayed right: the tree is see...
View ArticleBLOOMBERG API
Hello allI an experienced user of the bloomberg API in excel in a windows environment (work).Lately i decided to experiment using the rapidminer bloomberg api ("bloomberg historical extract") under the...
View ArticleFrozen and very slow rapidmidminer studio
hi, when i'm running rapidminer i meet several problems:1. rapidminer takes much time to be launched. i verify the RAM and disque they are on 99 % each of them and I'm not opening other applications....
View ArticleEasiest way to remove empty rows and attributes?
Hi,What would be the easiest way to remove empty columns / rows in a dataset?My data is imported from source data that I can't easily modify before load so I prefer to deal with it within rapidminer....
View ArticleClassifying English Articles Based on Difficulty
Hi,Common European Framework of Reference for Languages categorise language difficulty into 3 main level group A,B,C and each level group has two subleve. The levels are (A1 Begginer, A2 elementary...
View ArticleWhy does Auto Model only use a portion of the available cases?
When I do auto model with a set of data, I am looking for a binary classification, and it shows me the accuracy each classification method got when trying to optimize the input parameters. The problem...
View ArticleExport (FP growth) frequentitemsets output into a CSV table
Hello I tried exporting the result from (FP growth) frequentitemsets of the operator create association rules into a CSV file but I cant write it since it is not an object that can be converted to a...
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