Data Visualization

Info

Binary

Binary

Ordinal

Ordinal

quantitative

Qualitative

Binary

Nominal

Discrete

Nominal

qualitative; concerned with qualities, NOT numbers colors, like red, orange, are qualitative (unless you give the wavelength eg. 620nm)

quantitative; concerned with quantity, aka numbers

• gender
• race
• astrology sign
• favorite class

lacks order or rankqualitative

nominal data

A bar graph of nicest fruit shows nominal data, and the count of people who judge the fruit nicest is quantitative, discrete data.

• smoker/non
• COVID positive/negative
• have/have not (Y chromosome)
• heads or tails (coinflip)

two optionsqualitative

binary data

This box and whiskers plot compares the binary data of a pulmonary embolism (blocked artery to lungs) to quantitative continuous data (shock index).

can be rankedqualitative

ordinal data

• income level
• education level
• satisfaction ratings
• stage of cancer
• pain level

A bar graph of nicest fruit shows nominal data, and the count of people who judge the fruit nicest is quantitative, discrete data.

can't be reducedquantitative

discrete data

• amount of children
• (you have 1, 2,3, not 2.5 children!)
• # of M&Ms in a bag

can't be reducedquantitative

continuous data

• amount of children
• (you have 1, 2,3, not 2.5 children!)
• # of M&Ms in a bag

Nominal

• smoker/non
• COVID positive/negative
• have/have not (Y chromosome)
• heads or tails (coinflip)

two optionsqualitative

binary data

This box and whiskers plot compares the binary data of a pulmonary embolism (blocked artery to lungs) to quantitative continuous data (shock index).

Nominal

• smoker/non
• COVID positive/negative
• have/have not (Y chromosome)
• heads or tails (coinflip)

two optionsqualitative

binary data

This box and whiskers plot compares the binary data of a pulmonary embolism (blocked artery to lungs) to quantitative continuous data (shock index).