What is difference between a t test and z test?
Data Interview Questions
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what are the commonly used activation functions in Neural Networks?
Write a script to return the word that appears the most in a string, and the number of times it appears
Implement a sampling function with nominal distribution.
Day over day profit per day
They asked computer skill questions to determine my computer use skill level. They also asked several questions relating to analysis work. They asked me to provide examples of when I worked as part of a team and when I worked alone. How did I manage stress and what type of environment I like to work, and where I see myself in a couple of years and what my career aspirations are. The questions were not always easy but the HR contractor was very patient and gave me examples of situations so that I could think about the questions and answer them in the best way. The HR contractor made the interview process fun. When I left the interview I was not stressed at all which is unusual for me as I am a perfectionist.
How can we rotate a matrix?
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Assumptions of linear regression. Pros and cons of decision tree. Pros and cons of PCA.
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