Please explain the goal of a/b testing.
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How often should an algorithm be updated?
How would churn help predict and control churn for a customer?
Explain data munging or data wrangling?
You are creating a report for user content uploads every month and observe a sudden increase in the number of upload for the month of November. The increase in uploads is particularly in image uploads. What do you think will be the cause for this and how will you test this sudden spike?
Is anaconda free?
Explain types of clustering algorithm?
What do you mean by word data science?
What are outlier values and how do you treat them?
What is f test?
What is bias – variance tradeoff?
What do you understand by statistical power of sensitivity and how do you calculate it?
Where linear optimization is used?