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Documentation

Example scripts
Real word applications

Generic scripts

• Working with data sets
  • Create a data set
  • Frequencies and statistics within a data step (methods based on the use of EVALSTAT and of FREQCOUNTER)
  • Use values from a data set to modify those of another (method based on the use of SHAREDOBJECTS)
• Use of SQL queries
  • Simple SQL select
  • Join two data sets with SQL
• Text mining to identify relations between documents (to be executed maintaining the order of the next points)
  • Create a data set with the information on the files stored in a directory
  • Consider all the files
  • Select files considering just some extensions
  • Create the term document matrix
  • Analyze the term-document matrix with the lexical correspondence analysis
  • Plot the results of the lexical correspondence analysis
• Text mining and sentiment analysis for italian texts (to be executed maintaining the order of the next points)
  • Create a data set with the information on the files stored in a directory
  • Consider all the files
  • Select files considering just some extensions
  • Read the content of the documents in a data set
  • Transforms the documents in a list of words, considering also their sentences
  • Rebuild the content of the document adding the reference to the sentences
  • Lemmatization and selection of specific types
  • Rebuild the sentences with the selected lemmas
  • Evaluate the sentiment for each sentence
• Web mining
  • Parsing a web page

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