# 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.

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.

##
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