Weka SVM (SMO) - C and Gamma Parameter Optimization
Hello, I am using the Weka SMO (Support Vector Machines) for Machine Learning. I was trying to optimize the "C" and the "gamma" parameters, and was reading the following documentation:...
View ArticleConfigurable Excel Output - Best Practice?
Hello Community! I want to be able to export the result of a MDX query as a Excel sheet. I know how to do with CDA and also with a Pentaho Report Viewer. But I want to be able to configure the...
View ArticleDate conversion and BST
Hello, I'm running PDI CE v4.4 and have used a select values step to convert a field to a date using the mask yyyy-MM-dd HH:mm:ss.SSS. However PDI is rejected all dates between 2013-03-31 01:00 and...
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CDA with Pentaho Data Integration and REST client fails
Hi, i try create my first dashboard, but with no result. I've kettle transformation that gets data from Zabbix via zabbix API (JSON-RPC), but can't. Kettle transformation in Spoon works fine and...
View ArticleDisplaying the pentaho generated reports to the user
Hi All, Can you please help me, how to display the report generated using the pentaho tool should be shown to the End User. Basically, I just need to understand, how to display the report after...
View ArticleHow will make dynamic charts.
Hi, How to display an two charts with different details in a single dashboard panel..? How will dynamically changing charts in single dashboard panel..? In first chart contains country with customers,...
View ArticleCalling webservices in pentaho
Hi gurus, I am new to pentaho. Currently we have requirement in our project to call webservices and publish the results to oracle table. Below is the detail requirement: we are getting State,Zipcode...
View ArticleCreating relationship on a non-star schema model
Hi, Question : Can Pentaho Meta editor support a non-star schema model? Scenario: We are trying to evaluate pentaho to embed as a BI tool for our DW product. Our datawarehouse is not a typical star...
View ArticleWhat to do in PRD when using a Java TableModel
This might be a simple question, but I don't know what to do in PRD when passing in a Java TableModel. I thought I have to make a Table data source and name the columns exactly as they are named in the...
View ArticleIE no sign if AS is running while indeed it's running
Hi, my company is using IE as a default browser. The problem I have is IE doesn't display any sign when Action Sequence is triggered and is running, so users waiting for AS execution don't really know...
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Pentaho Community Meetup 2013 - Portugal! Vote for the date!
GroupPicture.jpg Let's get this going! #PCM13 is starting to get organized. For the ones that don't know, the Pentaho Community Meetings have been happening since 2008 a bit all over Europe. Last year...
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PCM13: Pentaho Community Event 2013 - Let's start!
WhatLet's get this going! #PCM13 is starting to get organized. For the ones that don't know, the Pentaho Community Meetings have been happening since 2008 a bit all over Europe. Last year was in...
View Articleemail if SQL condition is met
How can I email if NULL rows are returned? I have a transformation using MERGE ROWS DIFF / SYNC AFTER MERGE to reconcile data and, in this case, all NEW records will be added, but then I need to go...
View ArticleHow to change shared connection metadata from java code?
Is there a way to change connection metadata (db server address, user, password etc.) from java code? I have tried something like that, but it didn't worked for me. Code: [...]...
View ArticleCarte Slave unable to access the repository
I have setup a carte cluster using pdi 4.4 and mysql 5.5 following directions I found here: http://open-bi.blogspot.com/2009/11/...-serie-of.html then I followed the directions here to try to test the...
View ArticleInvalid string or buffer length
I am just working on my local laptop running the following locally on my machine... 64 bit version of Windows 7, the 64 bit JDK and JRE, MS SQLServer 2008 R2 and I downloaded the open source version of...
View ArticleCannot get JNDI datasources working in report designer
I'm trying to configure PostgreSQL datasources to work from JNDI. I copied over a working default.properties file from another machine to ~/.pentaho/simple-jndi/default.properties, but when I test them...
View ArticleChart Post-Processing Script for Adding Dataset
I have a query that returns one row of data and I am trying to plot the data on a chart with multiple series. I am unable to use the dataset collectors in the chart interface, so I thought I could...
View ArticlePentaho Java API
I am brand new to Pentaho and have the task of trying to integrate it into some Java applications I have been working on. So far my experience with Pentaho includes downloading the community BI-Server...
View ArticleExcel data files and String conversion
I have a column which is text in excel containing text, numbers and dates. When i import the excel file in data integrator and mask the column by using "#" in the fields tab my date fields for that...
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