data visualization and analysis

data

piece of info that describes status/measure of magnitude

discrete/count data

from 0 to positive integers

continuous data

ratio, proportion

categorical nominal data

can’t be ranked or ordered in a logical way

categorical ordinal data

can be ranked in some logical way

distribution

listing of all possible values of data for variable and how often they occur

graphical form

graph

measures of central tendency

mean, median, mode

histogram

single variable, numeric

boxplot

single variable, numeric

frequency table

single variable, categorical

bar chart

single variable, categorical