subject
Business, 13.05.2021 19:20 elizabethivy75

Sales of Toyota Corolla Cars. The file Toyota Corolla. csv contains data on used cars (Toyota Corollas) on sale during late summer of 2004 in the Netherlands. It has 1436 records containing details on 38 attributes, including Price, Age, Kilometers, HP, and other specifications. The goal will be to predict the price of a used Toyota Corolla based on its specifications. a. Identify the categorical variables.
b. Explain the relationship between a categorical variable and the series of binary dummy variables derived from it.
c. How many dummy binary variables are required to capture the information in a categorical variable with N categories?
d. Use R to convert the categorical variables in this dataset into dummy variables, and explain in words, for one record, the values in the derived binary dummies.
e. Use R to produce a correlation matrix and matrix plot. Comment on the relation- ships among variables.

ansver
Answers: 3

Another question on Business

question
Business, 21.06.2019 19:20
Which of the following areas provides residents with close access to high-paying jobs and cultural attractions? a. the suburbs b. exurbs c. rural areas d. the city 2b2t
Answers: 3
question
Business, 22.06.2019 20:30
The former chairman of the federal reserve, alan greenspan, used the term "irrational exuberance" in 1996 to describe the high levels of optimism among stock market investors at the time. stock market indexes such as the s& p composite price index were at an all-time high. some commentators believed that the fed should intervene to slow the expansion of the economy. why would central banks want to clamp down when the economy is growing? a. to block the formation of unsustainable speculative asset bubbles. b. to curtail excessive profits in the banking system. c. to prevent inflationary forces from gathering momentum. d. all of the above. e. a and c only.
Answers: 3
question
Business, 22.06.2019 23:00
Consider a consumer who is contemplating a new automobile purchase. she has narrowed her decision down to two brands, honda accord and ford taurus. she has identified gas mileage, price, warranty, and styling to be important attributes to consider in her decision
Answers: 1
question
Business, 22.06.2019 23:10
Mr. pines is considering buying a house and renting it to students. the yearly operating costs are $1,900. the house can be sold for $175,000 at the end of 10 years and it is considered 18% to be a suitable annual effective interest rate. if the house costs $100,000 to purchase, how much would you need to charge your tenants each year in rent? (assume a single payment for the years rent at the end of each year)
Answers: 1
You know the right answer?
Sales of Toyota Corolla Cars. The file Toyota Corolla. csv contains data on used cars (Toyota Coroll...
Questions
question
Chemistry, 28.05.2020 06:57
question
Mathematics, 28.05.2020 06:57
question
Mathematics, 28.05.2020 06:57
Questions on the website: 13722367