How do you check for data quality?


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More Data Science Interview Questions

You have been given the data on Facebook user's friending or defriending each other. How will you determine whether a given pair of Facebook users are friends or not?

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What is the svm algorithm?

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Explain data preparation?

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How can you check if a data set or time series is random?

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What are eigenvalue and eigenvector?

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What is back propagation and explain it’s working.

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Where is association analysis used?

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Do we have different selection biases, if yes, what are they?

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Name some kinds of graphs and explain how you would build them in python or r.

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How can outlier values be treated?

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How has your prior experience prepared you for a role in data science?

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What is cross-validation?

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