Discuss bias-variance trade off

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Reference no: EM133536904

Assignment:

Discuss bias - variance trade off. What is high bias and low variance vs high variance low bias? Provide an example to demonstrate.

Discuss the difference between data warehouse and Operational DBMS using an example from the domain area. Provide 3 use cases for each, data warehouse and Operational DBMS.

What is dirty data? Provide 3 different types of dirty data and suggest data pre- processing steps for each.

Discuss the differences between star schema and fact constellation schema in data warehouse modelling (at least 6 differences should be pointed). Use the example of sales data to demonstrate.

Provide an example of data from a particular knowledge domain and discuss major tasks in data pre-processing with a reference to data quality.

Reference no: EM133536904

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