What is the 80/20 rule? Explain its importance in model validation?
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Among python and r, which one is generally preferred for text analytics?
What is clustering? What is the difference between kmeans clustering and hierarchical clustering?
What is the salary for a data scientist?
For linear regression, what are some of the assumptions a data scientist is most likely to make?
You are given 50 cards with five different colors- 10 Green cards, 10 Red Cards, 10 Orange Cards, 10 Blue cards, and 10 Yellow cards. The cards of each colors are numbered from one to ten. Two cards are picked at random. Find out the probability that the cards picked are not of same number and same color.
Which package is used to do data import in r and python?
What does _init_.py do?
What is a data science job?
How is a normal distribution different from chi square distribution?
What is the difference between a cluster and systematic sampling?
Explain the method to collect and analyze data to use social media to predict the weather condition?
What is market basket analysis?
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