Import list of URLs for "Process documents from the WEB"
I would like to use a csv with URLs in it as a startingpoint for the "process documents from the WEB". So instead of defining a starting point, where Rapidminer starts crawling, I would like to use the...
View Articlemultivariate correlation - groupwise correlation
Hi everyone, I want to compute the correlation coefficience between 2 or more groups of attributes. Mathematically, I have 2 groups: X and Y. X has 2 attributes (A, B), Y has 3 attributes (C, D, F)....
View Articledata to similarities
himay i know about columns named "first" and "second" means what ? and the data inside (like 1.0 , 2.0 , 10.0) means what ?
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...
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 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 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 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...
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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 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.
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 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 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 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 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 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 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 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 ArticleText 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...
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