clustering with weka , help ! ( beginner)
Could you please help me find the size of the largest cluster ? Class attribute: flightbooking Classes to Clusters: 0 1 2 <-- assigned to cluster 0 100 0 | senior 8 20 4 | student 0 70 0 | worker...
View Article2x Load file content in memory = ERROR?
Hi, SO: Linux PDI: 4.4.0 Java(TM) SE Runtime Environment (build 1.6.0_20-b02) I was building a job with several transformations (lets say 2) that uses a "Load file content in memory" step with content...
View ArticleLoading custom plugins into embedded Kettle
Hello all, My team is working on a project to embed Kettle in a webapp. That process is going well, but we have written several custom plugins that are not available to the Kettle execution process, so...
View ArticleMigrate Oracle tables with UDT
Hello Experts, I am using kettle to migrate Oracle schema (to another Oracle schema) and stuck with this scenario - CREATE OR REPLACE TYPE ssn AS OBJECT(ssn NUMBER(10)); -- table not getting migrated...
View ArticleBusiness View usage
hello, I know that we have in schema workbench Dimensions and dimension usage, How about Metadata, can I use the same principle here as well. meaning , Can I have general business Views and then use...
View Articleclear Schema cache
I have OlapConnection instance, and i try clear schema cache: RolapConnection privateConnection = s.OlapConnection.unwrap(RolapConnection.class); CacheControl cacheControl =...
View ArticleRun Pentaho Kettle jobs using java API
Hi, I want to execute kettle transformation using java API.I am using pentaho 5.0.1 version and i have imported the kettle jobs into the solution repository.I have the following statements...
View ArticleExtract whole DB in Excel file /sheets
Im new to this so I am trying to do a simple job> trying to export the whole database in 1 excel file where the Sheetname = TableName So I tried to use Get Table Names but it only brings 47 tables.....
View Articlegenerate from one row to 12 row
i have one table its for sales target and the target amount insert for 1 year , and i have to divide 12 (12 month) to get amount each month how i can get 12 row with 12 result from amount 1 year and...
View Articlehide X and Y axis values in line chart
Hi All, I want to hide X and Y axis values in the line graph. Please let me know how to do this. Thanks, malibu
View ArticleUsing LinRegSlope() function
Hello! I have a task to calculate trend based on our cube data. It's seems that there is a special MDX function for that task - LinRegSlope(). But I've got a strange result, even on SteelWheelsSales...
View ArticleGet value from data source
Hi, I would like to present count of records in dashboard - like: "Count of records: #". I am using text component and I assume, there has to be some javascript code in expression property # value can...
View ArticleJava Library Conflict
Good morning, I am testing Pentaho Data Integration to see if it would meet my data integration needs. I need to do a java transformation using a complex program that we are using I can't find a good...
View ArticleReporting 5.0.1 - Remove Cache
Hello, Is there a way to disable cache for all reports? I have many reports and cant change one by one... Maybe some config in BI Server that removes that? Thanks
View ArticlePentaho maven repository is down?
Guys I am unable to build my pentaho projects as pentaho maven repository at this location http://repository.pentaho.org/artifactory is down since more than 8 hours. any clue as to what could be the...
View ArticleTime dimension problem
Hi, let's assume that I have typical time tame with typical time hierarchy defined on it - Year->Month->Day. Now if I take the year and show it in the pentaho tool I will have only unique values...
View ArticleInvalid JNDI connection BlueDW : No suitable driver found
Hi I am having database connection problems. I'd be grateful for some help. I am testing a connection in Metadata Editor and and get Invalid JNDI connection BlueDW : No suitable driver found for...
View Articlesample .prpt files not executing
I have a newly installed CE 5.0.1 on Linux. The sample reports in Steel Wheels do not execute from the PUC. The PUC just downloads the file to my desktop client. Is the community version not able to...
View ArticleMulti-tenancy in 5.0.1 CE?
Hi, I've been trying to get my head round the new jackrabbit repository and digging through the code have run into things like org.pentaho.platform.repository2.mt.RepositoryTenantManager. Pretty...
View Articlehow do you recognize noisy attributes from the a data set ?
Hi everyone, I was wondering if someone could help me answer this question. how do you recognize noisy attributes from a data set ? Thank you
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