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2-Dimension Scatter Plot

2-dimension scatter plot is used to analyze relationship and 2-dimension distribution.

This page is named "2-dimension" because there is the page, 1-Dimension Scatter Plot . But generally, scatter plot is known as for 2-dimension.

Strong Point

It is useful to check the position of individual data.
2-Dimension Scatter Plot 2-Dimension Scatter Plot

It is used as the tool of Judge of Outlier because it is easy to find outliers.

Weak Point

If there are much data, there are piled up areas in the graph. We can understand high-density area. But we cannot understand the difference of density.

2-dimension histogram using heat map is useful to analyze the density. The graphs below are scatter plot, 2-dimension histgram and density distribution.
scatter plot 2-dimension histgram density distribution

R and Python

We can make scatter graph easily by Excel. But stratified graph is not easy by Excel. But ggplot2 and seaborn are easy for thi use.

Plotly is useful for ineteaactive analysis

NEXT Scatter Plot of Words