Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
You have been given access to a large movie rating dataset containing about 5M records with fields like Movie Name, Average Movie Rating, Genre, Number of Reviewers, Date of Release and few other numeric columns. You plan to build a Data mining model that predicts the average review based on the other columns. Which is the best approach you would adopt to build the model.
Randomly sample a few 1000's of records and explore whether you can predict the rating with reasonable accuracy dropping features that don't aid in improving the predictive accuracy
Use the entire dataset to build a regression model to predict the average movie rating by regressing against the remaining columns dropping features that don't aid in improving the predictive accuracy
None of the above
Drop the movie titles and Genres because they are unstructured data and only use the numeric columns to build a regression model using the rest of the entire data set.
Medication, 47% take cholesterol-lowering medication, and 12% take both medications. What is the probability that a senior citizen takes either blood pressure-lowering or cholesterol-lowering medication?
Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated system but has a very small budget.
Use these two variables to answer the following questions: Depression and Drug Use.
Use the normal-theory method to test for significant differences in 12-month mortality between the two groups.
Find the probability that the number who say oatmeal is their favorite cookie is (a) exactly four, (b) at least four, and (c) less than four.
At a local university, sample of 49 evening students was selected in order to determine whether the average age of evening students is significantly different from 21. The average age of students in the sample was 23 with a standard deviation of 3..
A survey of top executives revealed that 35 percent of them regularly read Time magazine, 20 percent read Newsweek, and 40 percent read U.S. News and World Report. Ten percent read both Time and U.S. News and World Report.
Summarize the results of part (a) into a table showing the sampling distribution of possible sample means. To do this, list each possible value for the sample mean along with the probability the value would occur.
What is the relationship between descriptive statistics and Affirmative Action ? Can using probability in market trending decisions lead to a bad decision? Explain?
Compute the times interest earned for 2014.Select one:a. 11.2 times.b. 65.3 timesc. 14.0 times.d. 13.0 times
An English unit of mass used in pharmaceutical work is the grain (gr).15 gr=1.0g. An aspirin tablet contains 5.0 gr of aspirin. A 155-lbarthritic person takes a dosage of 2 asprin tablets per day. a. What is the quantity of aspirin in two tablets,..
Script for a one act play that shows how a teenager has become a bad speaker to a good speaker after learning that a shift in speech context, style
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd