Exam (elaborations)
BUSI 1302 INTRODUCTION TO BUSINESS (MGMT 105) HOMEWORK 1 TEXAS A& M UNIVERSITY
- Course
- Institution
BUSI 1302 INTRODUCTION TO BUSINESS (MGMT 105) HOMEWORK 1 TEXAS A& M UNIVERSITY
[Show more]
Content preview
BUSI 1302 INTRODUCTION TO BUSINESS(MGMT 105) HOMEWORK 1 TEXAS A& M
UNIVERSITY
, lOMoAR cPSD| 19857451
Homework 1
1. For the following, use the data frame hills2000 that comes in the DAAG package.
a. How many columns does hills2000 have?
Ans. > ncol(hills2000)
[1] 4
b. What are the names of the columns?
Ans. > names(hills2000)
[1] "dist" "climb" "time" "timef"
c. How many rows does hills2000 have?
Ans. > nrow(hills2000)
[1] 56
d. Compute a summary of the columns in the data frame.
Ans. > summary(hills2000)
dist climb time timef
Min. : 1.500 Min. : 500 Min. :0.2086 Min. : 0.2467
1st Qu.: 4.375 1st Qu.: 900 1st Qu.:0.4648 1st Qu.: 0.5914
Median : 6.000 Median :1450 Median :0.6724 Median : 0.8178
Mean : 7.531 Mean :2077 Mean :1.0049 Mean : 1.2977
3rd Qu.: 9.000 3rd Qu.:2500 3rd Qu.:1.1866 3rd Qu.: 1.4504
Max. :46.000 Max. :7500 Max. :8.3069 Max. :13.5478
NA's :1
e. Create a pairs plot of hills2000. Describe any relationships, patterns, or anything else
interesting that you see in the plot.
Ans. > pairs(hills2000)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller saraciousstuvia. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now