OSEMN Framework Overview
By Raghvendra Singh
Obtain
Gather the data
● Determine what data would be useful
● Evaluate what data are available
● Decide on how the data can be gathered
Scrub
Clean the data to prepare it for analysis
● Correct inconsistent formatting
● Remove duplicate records
● Handle missing values
● Remove inaccurate information
Explore
Search for interesting patterns and statistics that stand out
● Examine variable distributions
● Examine variable relationships
● Perform statistical tests
Model
Generate predictions and insights
● Select a model type for your goals (often in cooperation with a partner)
● Categories of models include:
○ Classification - Is this “A” or “B”?
○ Regression - How much or how many?
○ Clustering - What natural segments can we find in our data?
iNterpret
Help others to understand the results of your analysis
● Build visualizations
● Construct stories
● Create presentations of your findings

OSEMN Framework Overview by Raghvendra Singh.pptx

  • 1.
  • 3.
    Obtain Gather the data ●Determine what data would be useful ● Evaluate what data are available ● Decide on how the data can be gathered
  • 4.
    Scrub Clean the datato prepare it for analysis ● Correct inconsistent formatting ● Remove duplicate records ● Handle missing values ● Remove inaccurate information
  • 5.
    Explore Search for interestingpatterns and statistics that stand out ● Examine variable distributions ● Examine variable relationships ● Perform statistical tests
  • 6.
    Model Generate predictions andinsights ● Select a model type for your goals (often in cooperation with a partner) ● Categories of models include: ○ Classification - Is this “A” or “B”? ○ Regression - How much or how many? ○ Clustering - What natural segments can we find in our data?
  • 7.
    iNterpret Help others tounderstand the results of your analysis ● Build visualizations ● Construct stories ● Create presentations of your findings