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king-county-housing-linear-regression's Introduction

Module 1 Final Project : Predicting House Sales in King County

Emily J. Cain - October 2018

OSEMN Data Science Process

Obtain

  • Read in from csv file

Scrub

  • Change values to correct type as needed
  • Replace or remove null or placeholder values
  • Change formatting as needed
  • Check for typos and duplicates

Explore

  • Understand the data through visualization, inspection, and descriptive statistics
  • Explore relationships with visualization
  • Understand why certain values were collected and included in dataset
  • Generate questions that can be answered from the data

Modeling - an Iterative Process

  • Use questions to guide modeling
  • Generate meaningful visualizations
  • Normalize values as needed
  • Use models to examine relationships between variables
  • Assess model fit
  • Repeat as needed

iNterpret

  • Draw conclusions from the data that answer initial questions or that raise new questions
  • Evaluate meaning of results from a technical perspective
  • Evaluate meaning of results for non-technical stakeholders
  • Present and communicate results based on audience

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