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"keyword searching in csv files in rapidminer"

sinirajusiniraju image Learner III
edited May 2019 in Help
How we will do keyword searching in csv files in rapidminer?
I want to get the count of number of rows which matches the keyword to words in columns of csv files in rapid miner. How will i get only one column from csv file in rapidminer
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Answers

  • fischerfischer image Maven
    Dear Siniraju,

    There are several solutions for your problem, hoewever, all of them are independent of whether the data comes from a CSV file or some other data source.

    - Try an ExampleFilter with an attribute_value_filter parameter to filter only matching lines.
    - Use an AttributeConstruction to set an attribute to 1 if it matches and 0 otherwise. Then use Aggregation to count.

    Regarding the question
    siniraju wrote:

    How will i get only one column from csv file in rapidminer
    Use an AttributeFilter.

    Best,
    Simon
  • fischerfischer image Maven
    Dear Siniraju,

    unfortunately, your problem description is not precise enough to be any more specific than I was in my first reply. If you have specific questions regarding your application, this forum is probably not the right place to discuss them. I would recommend you to attend one of the introductory data mining courses listed on

    http://rapid-i.com/content/view/7/95/lang,en/

    In such a course, we can also elaborate on your specific problem.

    Best,
    Simon
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