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A certain couple tells you that they have two children, at least one of whom is a girl. What is the probability that they have two girls?
292Post New Data Science Questions
Define feature vector?
Explain how to write a table to a file?
Explain the method to collect and analyze data to use social media to predict the weather condition?
What is the importance of data cleaning in analysis?
You are given a training dataset of users that contain their demographic details, the pages on Facebook they have liked so far and results of psychology test based on their personality i.e. their openness to like FB pages or not. How will you predict the age, gender and other demographics of unseen data?
What is the correlation in r?
Why is it mandatory to clean a data set?
Differentiate between univariate, bivariate and multivariate analysis?
What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression? Name some packages in r and python for building regression models.
Can you use a generator to create iterators?
Define a/b testing?
What does _init_.py do?
Why data science and data scientists are needed?
What is meant by lattice?
Can you cite some examples where a false positive is important than a false negative?
