Data visualization Flashcards
1
Q
What is a distribution?
A
The distribution of a variable refers to how FREQUENTLY certain values of that variable show up in our data.
2
Q
1 Categorical Variables
A
Barchart
- distribution is explained by talking about how likely each category in the variable is most and least likely
3
Q
1 quantitative variable
A
Histogram and box plots
-Shape ( Skewed, symmetric)
-Center (mean or medians)
-Spread ( SD, range or IQR)
-Outliers
4
Q
Bivariate graphs
A
show relationship between two variables
5
Q
2 categorical
A
1.Stacked bar chart
2. dodge bar
3. Filled bar
6
Q
2 quant scatterplot description
A
-form (Linear..)
-Strenght
-Direction ( Pos or neg)
-outliers
7
Q
Association
A
when describing an association we have an explanatory variable ( Suspected cause) and a response variable (Suspected effect).
