Lesson 1 Flashcards
1
Q
Garbage in, Garbage out
A
our data-driven conclusions are only as strong as the data behind them
2
Q
Personally Identifiable Information (PII)
A
Data used that could identify someone
3
Q
Static data
A
The data is collected once and does not change
4
Q
Methodology
A
How the data was collected
5
Q
Shape
A
How the data is stored
6
Q
Numerical Variables
A
Variables that are measured
7
Q
Categorical Variables
A
Variables that are categorized
8
Q
Dichotomous Variable
A
Have only 2 logical possibilities
9
Q
Ordinal Variable
A
Don’t represent measurements or counts, they represent categories, but are stored with a number which means something
10
Q
Missing at Random
A
If one value is missing based on the value in another variable
11
Q
Validity
A
The extent to which the data is measuring what you think its measuring
12
Q
A
