How will you drop variables using indices in a data frame?

138

How can you reduce bias in a given data set?

124

What are various steps involved in an analytics project?

105

What prior subject is required to become data analyst?

137

What is the job of a data scientist?

93

Can you cite some examples where a false positive is important than a false negative?

108

Explain about string parsing in R language

114

Implement a sorting algorithm for a numerical dataset in Python.

142

How many people are using Facebook in California at 1.30 PM on Monday?

178

Explain principal components analysis with equations.

91

Name three disadvantages of using a linear model?

106

What skills do you need to be a data analyst?

123

Where linear optimization is used?

95

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.

113

Explain how to merge data frames in R?

123