How can I achieve accuracy in the first model that I built?


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More Data Science Interview Questions

In k-means or knn, we use euclidean distance to calculate the distance between nearest neighbors. Why not manhattan distance?

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

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What are outlier values and how do you treat them?

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Can you use a generator to create iterators?

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What is the job description for a data scientist?

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What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression? Name some packages in r and python for building regression models.

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What is meant by lattice?

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Can you explain data munging or data wrangling?

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Explain the difference between data modeling and database design?

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Which is the best suitable language among python and r for text analytics?

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What cross validation technique would you use on time series data set? Is it k-fold or loocv?

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How do you overcome challenges to your findings?

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