Why should stop an interactive machine learning algorithm as soon as the performance of the
model on a test set stops improving?

What is default delimiter for Hive tables?

Certain individuals are more susceptible to autism if they have particular combinations of genes
expressed in their DNA. Given a sample of DNA from persons who have autism and a sample of
DNA from persons who do not have autism, determine the best technique for predicting whether
or not a given individual is susceptible to developing autism?

You are working with a logistic regression model to predict the probability that a user will click on
an ad. Your model has hundreds of features, and you’re not sure if all of those features are
helping your prediction. Which regularization technique should you use to prune features that
aren’t contributing to the model?

Refer to the exhibit.

Which point in the figure is the median?

Refer to the exhibit.

Which point in the figure is the mode?

Refer to the exhibit.

Which point in the figure is the mean?

Under what two conditions does stochastic gradient descent outperform 2nd-order optimization
techniques such as iteratively reweighted least squares?

What is the result of the following command (the database username is foo and password is bar)?
$ sqoop list-tables – – connect jdbc : mysql : / / localhost/databasename – – table – – username foo –
– password bar

What is the most common reason for a k-means clustering algorithm to returns a sub-optimal
clustering of its input?