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"Order of Attributes in the CSV file"

User: "Shubha"
Shubha
New Altair Community Member
Updated by Jocelyn
Hi, 
<operator name="Root" class="Process" expanded="yes">
    <operator name="ExampleSetGenerator" class="ExampleSetGenerator">
        <parameter key="target_function"	value="random"/>
        <parameter key="number_examples"	value="10"/>
    </operator>
    <operator name="ChangeAttributeRole" class="ChangeAttributeRole" activated="no">
        <parameter key="name"	value="label"/>
    </operator>
    <operator name="CSVExampleSetWriter" class="CSVExampleSetWriter" breakpoints="before">
        <parameter key="csv_file"	value="check.csv"/>
        <parameter key="column_separator"	value=","/>
    </operator>
</operator>
I want to write the data generated to a CSV file. While writing, the special attribute, 'label' is written as the last attribute in the CSV file, check.csv. But I need to write the data as the order appears in the Exampleset like (label,att1,att2,att3,att4,att5). Any hints on this?

Thanks and Regards,
Shubha

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    User: "haddock"
    haddock
    New Altair Community Member
    Hi Shubha,

    You get that column order control using the special format option on the ExampleSetWriter, like this..
    <operator name="Root" class="Process" expanded="yes">
        <operator name="ExampleSetGenerator" class="ExampleSetGenerator">
            <parameter key="target_function"	value="random"/>
        </operator>
        <operator name="IdTagging" class="IdTagging">
        </operator>
        <operator name="ExampleSetWriter" class="ExampleSetWriter">
            <parameter key="example_set_file"	value="C:\Users\CJFP\Documents\rm_workspace\bla.dat"/>
            <parameter key="format"	value="special_format"/>
            <parameter key="special_format"	value="$l,$i,$a[,]$n"/>
        </operator>
        <operator name="CSVExampleSource" class="CSVExampleSource">
            <parameter key="filename"	value="C:\Users\CJFP\Documents\rm_workspace\bla.dat"/>
            <parameter key="read_attribute_names"	value="false"/>
        </operator>
    </operator>
    User: "Shubha"
    Shubha
    New Altair Community Member
    OP
    Wonderful...

    Thanks
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