Estimate the probability of a disease in a particular city given that the probability of the disease on a national level is low.
304How will you decide whether a customer will buy a product today or not given the income of the customer, location where the customer lives, profession and gender? Define a machine learning algorithm for this.
267From a long sorted list and a short 4 element sorted list, which algorithm will you use to search the long sorted list for 4 elements.
302How can you compare a neural network that has one layer, one input and output to a logistic regression model?
262You are about to get on a plane to Seattle, you want to know whether you have to bring an umbrella or not. You call three of your random friends and as each one of them if it's raining. The probability that your friend is telling the truth is 2/3 and the probability that they are playing a prank on you by lying is 1/3. If all 3 of them tell that it is raining, then what is the probability that it is actually raining in Seattle.
298You have been given the data on Facebook user's friending or defriending each other. How will you determine whether a given pair of Facebook users are friends or not?
317Post New Data Science Questions
What is meant by selection bias?
Can you define data discretization?
What is the difference between supervised learning an unsupervised learning?
Do you prefer python or r for text analytics?
How can you check if a data set or time series is random?
Now companies are heavily investing their money and time to make the dashboards. Why?
How can you reduce bias in a given data set?
What is term Pearson’s Correlation Coefficient?
You have two tables-the first table has data about the users and their friends, the second table has data about the users and the pages they have liked. Write an SQL query to make recommendations using pages that your friends liked. The query result should not recommend the pages that have already been liked by a user.
On rolling a dice if you get $1 per dot on the upturned face,what are your expected earnings from rolling a dice?
What is the definition of the unit test?
Can you explain difference between data modeling and database design?
How to determine the number of clusters in k-means clustering algorithm?
What are applications of ggplot2?
Explain the difference between a test set and a validation set?