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  1. Replies
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    clear_mondrian_schema_cache.xaction

    clear_mondrian_schema_cache.xaction performs the following call:

    Packages.org.pentaho.platform.plugin.action.mondrian.catalog.MondrianCatalogHelper.getInstance().reInit(null);
    Is this practically...
  2. Thread: Stacking

    by matthiash
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    817

    Stacking

    Does the Stacking classifier use predicted class or class probabilities as meta-features?
    For example, say that I'm doing binary classification, and I have a random forest classifier (and some other...
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    You write that Vote and MultiScheme don't support...

    You write that Vote and MultiScheme don't support multithreading. Are they added to that web page by accident? Are there any algorithmic reason why they don't support multithreading?

    Are there...
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    Parallelism in Weka

    From Weka 3.7.1, parallelism is supported, according to
    http://wiki.pentaho.com/display/DATAMINING/Support+for+parallelism+in+ensemble+learning

    1) I assume this doesn't happen out of the box. How...
  5. Large numbers for dimensional values creates problems due to rounding up

    Using PostgreSQL, I get wrong result due to large numeric values on dimensions being rounded up. It seems that Mondrian (also internally) formats the number as scientific E notation, but with too low...
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    IRC Office Hours Wiki page

    The IRC Office Hours are listed at http://wiki.pentaho.com/display/COM/IRC+Office+Hours
    Most of the office hours are listed in EDT, a time zone that doesn't exist in the winter months. This makes it...
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    Build error - unresolved dependencies

    I am trying to build the pentaho platform in Eclipse, but I'm not successful. I run build.xml in the bi-platform-build folder. Lots of stuff is successfully downloaded, but the proccess fails due to...
  8. Thanks, I am now able to build and run/debug....

    Thanks, I am now able to build and run/debug. I'll detail my now solved problems as it might prove helpful to other people.

    I didn't make any changes to build.properties.
    I right-clicked...
  9. Building and running/debugging Kettle in Eclipse on Mac

    How do I build Kettle 4.3.0-GA in Eclipse on Mac?
    How do I run or debug the resulting Spoon from Eclipse on Mac?

    More specifically, to start with:
    What do I need to change in build.properties?...
  10. Applying NumericToBinary filter to only one or some attributes

    Question: How can I apply a NumericToBinary filter to only one or some attributes in a data set?

    Situation: In KnowledgeFlow I load a CSV file. It contains a binary attribute that is represented...
  11. Mapping predictions to instances in Explorer

    In the explorer i open the following arff file:

    @relation people
    @attribute sex {female,male}
    @attribute height numeric
    @data
    male, 6.0
    male, 5.92
    male, 5.58
    male, 5.92
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    Just add the full path, including file name, in...

    Just add the full path, including file name, in the Database Name field. Leave the other fields blank.
  13. Would this be a good design of a bridge table...

    Would this be a good design of a bridge table with SCD2?

    DIM_USER
    =======
    DIM_USER_ID
    USER_ID
    FIRST_NAME
    LAST_NAME
    VERSION
    VALID_FROM
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    Hi New Bie, try changing the language locale of...

    Hi New Bie,
    try changing the language locale of your browser. That is not the language of the menus in the browser, but the option of which language the content should be shown in. See if you can...
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    Hi New Bie, I assume your question is about...

    Hi New Bie,
    I assume your question is about controlling the timezone, not number format. I am not very experienced myself, but I think this might be the right answer to your question:
    To overrule...
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    Thanks, it works as intended now. To summarize, I...

    Thanks, it works as intended now. To summarize, I managed to show it correctly during design by choosing File->Configuration->Local Configuration->core-module, check ~.environment.designtime.Locale...
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    Comma as decimal separator, localization?

    In Report Designer I would like to use comma as decimal separator, not dot. How do I do it? The format attribute? Or somehow specifying locale for the report; if so, how?
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