19-Data-PreProcessing.pdf - Data Pre-Processing Introduction to Computational Thinking and Data Science Today\u2019s Topics 1 The cost of data

19-Data-PreProcessing.pdf - Data Pre-Processing...

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Data Pre-ProcessingIntroduction to Computational Thinking and Data Science
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Today’s Topics1.The cost of data pre-processing 2.Data pre-processing steps3.ExamplesuTime series data from sensors in medicineuText documents2
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Data pre-processingData analyticsData visualization3
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Data AnalysisDataIs Pre-processedModelsAnd Algorithms4
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The Cost of Data PreparationScientists and engineers spend more than 60% of their time just preparing the data for model input or data-model comparison(NASA A40)Common Motifs in Scientific Workflows: An Empirical Analysis.Garijo, D.; Alper, P.; Belhajjame, K.; Corcho, O.; Gil, Y.; and Goble, C. Future Generation Computer Systems, 2013.
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Data Pre-Processing Steps6
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Data Pre-Processing (I)uData reformatting:
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  • Fall '17
  • Data Mining, Computational Thinking and Data Science, u Data, u Data imputation

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