Search icon CANCEL
Subscription
0
Cart icon
Close icon
You have no products in your basket yet
Save more on your purchases!
Savings automatically calculated. No voucher code required
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Practical Business Intelligence

You're reading from  Practical Business Intelligence

Product type Book
Published in Dec 2016
Publisher Packt
ISBN-13 9781785885433
Pages 352 pages
Edition 1st Edition
Languages

Table of Contents (16) Chapters

Practical Business Intelligence
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Introduction to Practical Business Intelligence 2. Web Scraping 3. Analysis with Excel and Creating Interactive Maps and Charts with Power BI 4. Creating Bar Charts with D3.js 5. Forecasting with R 6. Creating Histograms and Normal Distribution Plots with Python 7. Creating a Sales Dashboard with Tableau 8. Creating an Inventory Dashboard with QlikSense 9. Data Analysis with Microsoft SQL Server

Time series forecasting in R


A time series graph is one that evaluates activity over a period of time. A more specific time series plot can be generated using the ts() and plot.ts() functions in R, as seen in the following scripts:

Query1_TS<-ts(SQL_Query_1$Discount) 
plot.ts(Query1_TS, xlab = 'Week (1-52)', ylab = 'Discount', main = 'Time Series of Discount Code by Week') 

The output of the time series script can be seen here:

At first glimpse, the time series plot looks no different from earlier line charts developed in this chapter. The difference lies within the inherent qualities of a time series plot, which allows you to view activity over specified intervals over the course of a year. The specified periods can be in hours, days, weeks, months, or even quarters. A time series plot will display seasonal activity that repeats around the same time each year. Due to this seasonality, time series plots are strong candidates for forecasting. Let's get a little bit of background...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime}