Grab Interview Question: What is a good way to detect ... | Glassdoor

Interview Question

Data Scientist Interview

What is a good way to detect anomalies?

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Interview Answer

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Data points that are not within 2 Standard deviation are generally called as anomalies. while preparing the training Data set. we can either drop those data points or we can replace them with the average value of column in case of normal distribution or with median in case of skewed distribution or any values based on the case.

Mohan on Apr 20, 2018

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