R Studio Panel Layout
Ordinal/ Categorical Variables
Discrete/Continuous Variables
Independent/Dependent Variables
100
What is a Data Matrix
is a set of numbers or characters arranged in rows and columns as a form of rectangular array.
100
What is an Ordinal Variable
a variable that has a clear ordering.
100
What's the definition of Discrete variables?
Is used to describe a variable that can only take on a FINITE number of VALUES.
Countable Values
100
A pair of variables are dependent and independent. The pair of variables are considered both.
TRUE or FALSE
FALSE
200
How many observations are there?
429
200
Is the populations economic status (Low, Medium, High) is an example of what kind of variable?
Ordinal
200
Playing at the casino, are the number of chips a player has considered a Discrete Variable?
YES
200
Watering Plants and observing the Growth of the plant is considered a Dependent or Independent?
Dependent : Because the variables most likely have some kind of connection
300
Where can I find the Global Environment
Top Right Panel
300
What are the two terms for an unordered variable?
Nominal and Categorical Variables
300
Define a Continuous Variable
a variable whose value is obtained by MEASURING!
300
Student Hair Color and Student Grades are considered a Dependent or Independent?
Independent : Most likely no connection with one another.
400
How do you set your Working Directory?
Sessions > Set Working Directory > Choose Working Directory > Selection.
400
What kind of Variable is Ethnicity?
Nominal/Categorical Variable
400
The Time it takes for each student to get home; is considered what kind of variable?
Continuous
400
What kind of relationship does this graph show?
Independent or no Correlation
500
If I need Help on a Code or Command, What Panel in R-studio can help me?
Bottom right! the Help Tab.
500
When we cannot provide arithmetic to our data, What kind of variable do we most likely have?
Ordinal
500
The Length of roots from different types of tomato plants considered a Discrete Variable
No! Anything needing a measuring device is not considered a Discrete Variable. Also it's Finite
500
What kind of strength and correlation does this graph have?
Strong/moderate Negative Correlation