Differentiate between data modeling and database design?
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Which package is used to do data import in r and python? How do you do data import in sas?
How will you explain JOIN function in SQL to a 10 year old ?
What are recommender systems?
What is the advantage of performing dimensionality reduction before fitting an svm?
Print the elements of a matrix in zig-zag manner.
How can you compute an inverse matrix faster by playing with some computation tricks?
What are the different performance metrics for evaluating Uber services?
You created a predictive model of a quantitative outcome variable using multiple regressions. What are the steps you would follow to validate the model?
What skills are required for data analytics roles?
How will you design the heatmap for Uber drivers to provide recommendation on where to wait for passengers? How would you approach this?
What is cart and chaid?
What packages are used for data mining in python and r?
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