What is linear optimization? Where is it used?
What is the basic responsibility of a data scientist?
In k-means or knn, we use euclidean distance to calculate the distance between nearest neighbors. Why not manhattan distance?
A stranger uses a search engine to find something and you do not know anything about the person. How will you design an algorithm to determine what the stranger is looking for just after he/she types few characters in the search box?
Explain the difference between data science, machine learning and artificial intelligence?
Explain types of statistical data?
What do you understand by the selection bias?
How regularly must an algorithm be updated?
What education is required for data science role?
Write the formula to calculate r-square?
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?
Explain data cleansing?
What is f test?
How do you take millions of users with 100's of transactions each, amongst 10000's of products and group the users together in a meaningful segments?
What are Important things to remember for ggplot?
