Diemensionalidade Reduction Methods
Hello, I would like to know the dimensionality reduction methods that weka have? plus PCA and selection attributes. Thanks!
View ArticleMulti-Linear Regression OLS in java ( Weka)
Hi there, I was just wanting confirmation that this function: weka.classifiers.functions.LinearRegression, uses the OLS algorithm, closed form. I found from this link below:...
View ArticleExport from TRASH folder in PDI - Repository
Is there a way to EXPORT the KTRs and KJBs located in TRASH folder in Repository instead just 'Delete' and 'Restore' ?
View ArticleJava HotSpot(TM) Client VM warning: PDI 6.0
Hi, I tried to use PDI6 but receive the following error: C:\Users\Director1>C:\data-integration\SpoonConsole.bat Launching Spoon with console output:...
View Articleset maximum row or records in page
How to set maximum row or record to be display in every page of the report? Let say there are 30 record, I want it to be display only 10 record in each page ..so it will become 3 page display in my...
View ArticleMerging streams with different columns
Hi there, I'm starting with stream [col A, col B]. Based on filter on [col A], I merge I merge some rows [col A=x] with other set [col C] and calculate left over [col A!=x] in another [col fxA]. Then I...
View ArticleDid Anyone try to install Pentaho BI server on windows with MYSQL DB
Hi Everyone, I am trying to install Pentaho BI server on my windows 7. Fallowed the link: https://help.pentaho.com/Documentation/5.1/0F0/0K0/040 stuck at Specify connections: fallowed the steps...
View ArticleAppending an excel having formula
Hi, I have defined an excel template with formulas for few cells, and I want to update each day the generated report based on that template. But the problem is that, after 1st report is created, next...
View ArticleMondrian 4 physical schema table linked to more than 1 referenced table not...
Hi, I am creating mondrian 4 schema having 1 table that needs to links to 2 other tables. Sample schema below: <PhysicalSchema> <Table name='TB_PlanActualMasterNew'> <Key> <Column...
View ArticleProblems when trying to save Log - Urgent
Hi everyone, I'm currently involved in a project in which our main goal is to analyze Kettle log step by step in order to make some optimizations. What I would like to know is if there's some way to...
View ArticleUnexcepted Error Writing to Access File
Microsoft Access Output.0 - ERROR (version 6.0.1.0-386, build 1 from 2015-12-03 11.37.25 by buildguy) : There was an unexpected error while creating a table: java.lang.IllegalArgumentException: must...
View ArticleWhat Java versions are required for which versions of Pentaho?
I am looking to make an upgrade from PDI 4.2 to 6.0 (or some other newer version, should 6.0 have problems). If I upgrade the current JRE from 6 to 7, will the Pentaho 4.2 still work? (More...
View Articletable component use paginate server-side
I'm not managing to use the function paginate server-side
View ArticleCannot run Pentaho
Hello, I am not sure if I post my question in right place here but I do it anyway [IMG]file://localhost/Users/Mehran/Library/Group%20Containers/UBF8T346G9.Office/msoclip1/01/clip_image002.png[/IMG]. I...
View ArticleGet the Nth larger value
Hi, in Excel there's a fórmula that is called Large. It has two inputs: the interval to look and a constant "k", where "k" is the Nth value to get. I mean, with this formula is possible to get the Nth...
View ArticleIF-clause in PDI
Hello, i want to implement some kind of if-clause in PDI. I got three parameters in the transformation which are all strings and now i want to check whether the combined length of all three parameters...
View ArticleExtract a header from a REST response
I am collecting data from a system that authenticates a connection using basic authentication and returns a session token in the response header. How does one access the response headers in the REST...
View ArticleCan CDE Select component display two columns ?
I'm wondering if a Select Component can display more than one column ? Let say like a grid inside the Select Component If so, can somebody give me a light ? Thanks!
View ArticleTrouble with the "Insert data from step" option
This is probably a very elementary question but I've reviewed the wiki and can't get this to work to save my life. Step 1 = Import from a .csv file that has a column of data containing software hash...
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