Study material for Data Exploration, Data Pre-Processing and Feature Engineering.
I came across some process or steps like Data Exploration, Data Pre-Processing and Feature Engineering. I searched so much on google for some good material which can help me to understand that concept and its steps or working but I didn't get any relevant material. Kindly suggest me some relevant material for practising.
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Permalink Reply by Raphael Elul on -
these terms all are fancy names for looking at your unprocessed data in order to get an idea of the contents, identify key words (for example if I am looking for financial figures for 2016, I will look for the "feature" '2016'. If I find some sequences '2016' then I hope the data is worth processing in detail)
This process typically entails examination of "unstructured data" , and here is where Unix utilities like "grep" are outstanding. Java also have the tools for searching unstructured data.
Raphael
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