Support Tickets
This book includes an online Help Desk you can use to ask questions, report technical issues, and share your feedback.
How to Submit a Ticket
You can submit a ticket from within the online textbook or by email.
Submit a Ticket from the Online Textbook
1. Click on the support icon in the bottom right-hand corner of the page.
2. Go to the tab that says Questions? Problem? Suggestions? and click Add Ticket.
3. Fill out the subject, description, and classification for your ticket.
4. Click Submit.

Submit a Ticket by Email
Send an email to: studentsupport@coursekata.zohodesk.com
What Makes a Good Ticket?
Here are some tips for writing a good ticket:
Title
Title should be concise and meaningful
Good: “Error in CK Code: ch1-3 ”, “Question about confidence intervals”
Bad: “Help me!”, “Issues”
Description
A good description will tell us:
- what the issue/question is
- what it relates to on the page
Good: “There is a typo in the second paragraph. The text says “conferdince interval”, when it should say “confidence interval”
Bad: “My R code won’t work”
Screenshots
Include screenshots whenever possible. To add a screenshot:
- Take a screenshot (COMMAND + SHIFT + 3 on a Mac).
- Click the image icon in the Description field.
- Click upload.
Classification
Classifying your ticket helps us respond faster. To classify your ticket:
- Click Classification
- Select classification from the dropdown menu
I Submitted a Ticket. What Happens Next?
Someone from our support team will read your ticket and get back to you as soon as possible.
Check your email
When someone replies to your ticket, you’ll get an email. You can respond to that email to respond to the ticket thread.
Check the support widget in the textbook
You can also check on the status of your tickets within the textbook by clicking on the Support icon.
Related Articles
favstats()
The favstats() function will compute a set of common summary statistics ("favorite stats") for a given variable, including the five-number summary (minimum, Q1, median/Q2, Q3, maximum), the mean, the standard deviation, the sample size (n), and the ...
Links Not Working
If a link isn’t working, here are a few things you can try: Open link in a new tab or window Right click the link (or CTRL-click if you are using a Mac) Click Open Link in New Tab or Open Link in New Window Update your browser Make sure you are ...
Not Connecting to Server
If you hit the "Connect" button for the R coding exercise windows but it will not connect to the server, please note the following: This error should be rare and should not persist for more than a few minutes. Please do not continue to hit "Connect" ...
Page Won't Load or Button Doesn't Work
Page Won't Load / Button Doesn't Work The problem: You click on a page in CourseKata and the content won't load (page won't load) You click on a button in CourseKata and nothing happens (button doesn't work) What to try: Note: the suggestions below ...
Sampling
Sampling is the process of selecting which individuals, objects, or observations to study from a larger data generating process (DGP). Sampling determines what your data represent and how far your conclusions can generalize. Why Sampling Matters ...