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select attribute

domohsendomohsen Member Posts: 9 Contributor II
edited November 2018 in Help

hello every body.i encounter a wierd thing! i cant see my attribute for selcting them..what isthe problem?????

Answers

  • Thomas_OttThomas_Ott RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,760   Unicorn

    This problem has been discussed numerous times in the Community. Did you search for an answer first?  The problem is that your metadata not porpogating. Try Syncronize Meta Data with Real Data

    domohsen
  • M_MartinM_Martin RapidMiner Certified Analyst, Member Posts: 125   Unicorn
    What has always worked for me (when the various suggestions above don't) is to Store the dataset you want to select attributes from in your local Repository using the "Store" operator - and then immediately use the "Retrieve" operator to bring the data back into your process.  Be sure to connect the "Retrieve" operator to the "Select Attributes" operator.  Insert a breakpoint after the "Retrieve" operator and when the breakpoint kicks in and your process halts, click on the "Select Attributes" operator and then click on the "Validate Process" and "Validate Automatically"  options on the Process Menu.  You can then use the "Select Attributes" operator to select the attributes you want from the dataset that was just stored and retrieved.  Then save your process - and you can can then resume the running of your process.  It seems that storing to and then retrieving data from the repository forces a metadata refresh.  I have a "Temporary Storage" folder in my local repository, and whenever I need to store and retrieve a dataset, I set the name of the object to be stored to "Temp Storage".  Hope this helps, and best wishes, Michael Martin
    rfuentealbamschmitzsgenzer
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