Introduction to Exploratory Data Analysis Visualization

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Univariate Analysis

Focuses on a single variable at a time. Help us answer questions like:

• What is the typical price of a rental in NYC

• What proportion on NYC rentals have a gym

  Quantitative variables Box plots and histograms are common choices for visually summarizing a quantitative variable.

  Categorical variables For categorical variables we can use a bar plot or a pie chart.

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Bivariate analysis

• Do apartments in different boroughs tend to cost different amounts?

• What is the relationship between the area of an apartment and how much it cost?

  One quantitative variable and one categorical variable Two good options are side-by-side box plots and overlapping histograms

  Two quantitative variables A scatter plot is a great option

  Two categorical variables Side by side or stacked bar plots

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Multivariate