Data Science MasterClass (September) | 2 seats left

Data Preparation

Data Preparation

Free concept previewThe full case walkthrough and interview practice continue below.

Data Sources

Assume that you have the following data sources available to you.

Intersection

VariableData TypeExample
Location IDUUID1XAA-BDDS-XX41
SignalBooleanYes
Number of LanesNumeric4
Pedestrian CrossingBooleanYes

Road Segment

VariableData TypeExample
Location ID
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Continue with the full applied walkthrough

Continue Data Preparation with the applied case study, diagnostic checks, and the recommendation you would give a PM.

Work through the complete product case
Build the study design step by step
Interpret diagnostics and results
Practice a senior-level interview response

Realistic product cases inspired by

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Dan Lee

Built from a senior data scientist’s perspective

Learn what to check, what to say, and how to make the decision.

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