presentations/lesson.yaml at master · pashas84/presentations · GitHub

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- Class: meta
  Course: Statistics
  Lesson: Scatterplots
  Author: your name goes here
  Type: Standard
  Organization: your organization's name goes here
  Version: 2.4.2


- Class: text
  Output: Welcome to scatterplots!

- Class: text
  Output: The function for creating a scatterplot is "plot".

- Class: cmd_question
  Output: Create a scatterplot of x vs y.
  CorrectAnswer: plot(x,y)
  AnswerTests: omnitest(correctExpr='plot(x,y)')
  Hint: Try plot(x,y).

- Class: text
  Output: A title can be added to a scatterplot by using the "title" function.

- Class: mult_question
  Output: Which of the following commands would add a title to the scatterplot?
  AnswerChoices: plot(x,y,title="scatterplot");plot(x,y,title=scatterplot);plot(x,y,scatterplot);plot(x,y,"scatterplot")
  CorrectAnswer: plot(x,y,title="scatterplot")
  AnswerTests: omnitest(correctVal='plot(x,y,title="scatterplot")')
  Hint: The one with title = "scatterplot"

- Class: figure
  Output: A trend line can be added to a scatterplot using the "abline" function.
  Figure: line.R
  FigureType: new