Recommender system by sentences
HelloExcuse me, I have a dataset about reviews about the movie.I clustered themThe professor told me to make an recommender systemDoes anyone have an idea?How can I suggest to the user after surveys...
View ArticleAnalyze 77000 tweets
Dear community, I have to deal with a dataset of 77000 tweet with the following attributes: post_id, username, hash_tag, sent_time, text, user_id, source, is_retweet, is_reply, lang, retweet_count,...
View ArticleI want to group different item by their brand
I had bunch of items and i want to group them by their brand. The item description of the data i receive seem concatenate brand name and item name together. With varies length of brand name and now i...
View ArticleParallel execution causes RuntimeException
Hi everyone, I installed the Time Series extension (v. 0.2.002) and I ran the Forecast Validation of ARIMA Model for Lake Huron template successfully. Afterwards I installed the Series Extension...
View ArticleWhat is the best number of topics on lda?
HelloI want to identify the topic in my data.I used Lda. I plotted the likelihood for different values for the number of topics. Now, how do I know which topic is better and more optimal?As I...
View ArticleRow Change Timestamp
Hello. Currently I am writing a table to SQL Server from a flat file. When a new flat file comes in, I have a process created to update the current table. I am using the 'Update Database' operator....
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Linear model coefficients into prediction confidence
Hi miners, The question might seem weird, but. I rare use linear models, but should use more! Is there any obvious way to build an equation from linear model coefficients that would derive binominal...
View Articlesparse coding ( Immediate and urgent)
Hi somebody from friends sparse coding?Is it possible to use RapidMiner?How?Or by r or python script?Do you have an examplehelp meThanks a lot
View Articlemulti-objective feature selection by mrmr+performance+number_features?
hiI'm looking for select feature set that Most relevance with the label and minimum redundancy with each other and also Have the minimum number of attributes and best perormance...
View Article[SOLVED] MS SQL Server not connect to Rapidminer Studio Trial
Hello, i use the Microsoft SQL Server Management Studio 17 and Rapidminer Studio 8 (Trial 8.1.001) . I want to connect my local MS SQL Database and failed due to "connect timed out". I already followed...
View ArticleFiltering changing examples
Hallo everybody i got a data set with about 200000 rows und i want to use a specific filter.Example:Row1 Old Name1Row2 New Name1Row3 Old Name2Row4 New Name2Row5 Old Name1Row6 New...
View ArticleNot switch to the right result page after running process
Hi there, Somehow my RM studio doesn't automatically switch to the latest result page everytime I run a process.For exmample, when I run a process to retrieve a data set, it will lead to the Result...
View Articleperformance by ID3
HelloI have a trouble in performance of my dataset. They are real data and I collected them.When I make a model by id3 tree, the accuracy is almost 95% but when I use of cross validation, the result...
View Articleimage processing in rapidminer
HelloI have friends questions.Is it possible to process image in the rapidshare program? What is the operator?I looked but could not find.Thanks a lotI use version 7.6. Does anyone have a plugin?
View Articlefeature selection
hii have data set with 46 attribute and i want to select feature set that have :1) maximum relevance to class attribute2) minimum redundancy3) minimum number of feature4) best performance (e.g accuracy...
View ArticleSplit string with n characters into n columns with each cell with only one...
I have around 700 rows with strings of varying length from 50 to 2000. They look like this:...
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Optimize selection
HiI need your guide and i hope there is someone that help me.Actually I have 13 features in my project and I need the features that have the highest percentage of accuracy. I used a feature reduction...
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filter all duplicate examples
hiI'm a newbie in rapidminer. I want to filter all the example that has duplicate value, i use below process but if a name appears 5 times the result show 4times of it how can I filter all the 5 and...
View ArticleWeb scraping on site created in javascript
Hi experts, I'm trying to create a scraper from a site created in JavaScript but I'm not getting it. Which operator can I use to be able to perform the site scraper?I was using the webtable operator,...
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Using wordnet with Pos tagging
Hello.Dear FriendsI want to express myself with Verdent and through the choice of the pos, analysis.I did this. But I do not know if it's right or notI want to grab the transformations. And in each...
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