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Unformatted text preview: is about many diﬀerent categories, not
many frequencies. DaiTrang Le Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Numerical Data
Misleading Graphs Interpreting Graphs
Review Chapter 2 Creating Plots Variability DaiTrang Le Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Numerical Data
Misleading Graphs Interpreting Graphs
Review Chapter 2 Creating Plots Variability DaiTrang Le Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Numerical Data
Misleading Graphs Interpreting Graphs
Review Chapter 2 Creating Plots  Looking at the Distribution of the Data Summarizing Important Features of a Numerical Distribution Three aspects of a Distribution
Shape
Symmetry
How a many bumps or modes?
Other distinguishing features: Center or Typical value Spread (Variation)
Is the data all close together or spread out? DaiTrang Le Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Numerical Data
Misleading Graphs Interpreting Graphs
Review Chapter 2 Creating Plots  Looking at the Distribution of the Data Outline
1 What is Data Visualization? 2 Displaying Categorical Data
Summarizing Important Features from the Plots 3 Displaying Categorical Data
Creating Plots 4 Describing Numerical Data
Creating Plots  Looking at the Distribution of the Data 5 Misleading Graphs Interpreting Graphs 6 Review Chapter 2
DaiTrang Le Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Numerical Data
Misleading Graphs Interpreting Graphs
Review Chapter 2 Creating Plots  Looking at the Distribution of the Data Frequency Distribution  Histogram
One way to do this is to look at the frequency distribution of
the data for each variable. DaiTrang Le Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Numerical Data
Misleading Graphs Interpreting Graphs
Review Chapter 2 Creating Plots  Looking at the Distribution of the Data Frequency Histogram DaiTrang Le Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Numerical Data
Misleading Graphs Interpreting Graphs
Review Chapter 2 Creating Plots  Looking at the Distribution of the Data Frequency Histogram DaiTrang Le Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Numerical Data
Misleading Graphs Interpreting Graphs
Review Chapter 2 DaiTrang Le Creating Plots  Looking at the Distribution of the Data Chapter 2 (continued) Data Visualization  Picturing Varia What is Data Visualization?
Displaying Categorical Data
Displaying Categorical Data
Describing Nume...
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 Spring '14

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