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Why is data cleaning essential in data science?
Define data reduction?
How does data cleaning plays a vital role in the analysis?
What is the job of a data scientist?
Explain cluster sampling technique in data science
Can you use machine learning for time series analysis?
What is market basket analysis?
Define a/b testing?
Can you write the formula to calculate r-square?
What is the difference between select and update query?
You have two sorted array of integers, write a program to find a number from each array such that the sum of the two numbers is closest to an integer i.
What is meant by logistic regression?
What is an outlier?
How to create survival object in R?
A test has a true positive rate of 100% and a false-positive rate of 5%. There is a population with a 1/1000 rate of having the condition the test identifies. Considering a positive test, what is the probability of having that condition?
