Category: Data Visualization
Python Code to Plot F-distribution Density Function
import numpy as npimport matplotlib.pyplot as pltfrom scipy import statsdef plot_f_distribution(df1, df2, alpha=0.05): # Create x values for the plot x = np.linspace(0, 5, 1000) # Calculate F-distribution values y = stats.f.pdf(x, df1, df2) # Calculate critical F-value f_crit =...
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How to Interpret Interaction Effects in Linear Regression (4 Steps)
This tutorial shows how to interpret interaction effects in linear regression models. In summary, there are two perspectives, (a) mean difference perspective and (b) slope difference perspective. Interpret Interaction Effect in Linear Regression (a) Mean Difference Perspective: One way to...
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How to Plot a Single Point in Matplotlib Python
You can use plt.plot() to plot a sinple point on an existing plot in Python Matplotlib. Method 1: Just a single point on the plot The following plot a point of (-3, 1) in a plot using Matplotlib in Python....
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How to Do Scatter Plots in Python
This tutorial shows how to use Pandas, Matplotlib, and Seaborn for scatter plots in Python with examples, codes, and charts. There are two methods of doing scatter plots in Python. The following shows the core syntax. Pandas: df.plot (kind=”scatter”, x=”column_x”,...
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Plot Histogram in Python
Introduction We can use hist() in Matplotlib, pandas, and seaborn to plot histograms in Python. The following is the basic syntax of plotting histogram using these 3 different modules. Method 1: Using matplotlib plt.hist(data,bins=’auto’) Method 2: Using pandas pd.hist() Method...
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When to Use Bar Charts versus Line Charts in Data Visualization (Python Examples)
This tutorial explains when to use bar charts versus line charts in data visualization. I will use examples, including data, Python code, and actual charts to illustrate the difference. When Bar Charts are Better than Line Charts You can use...
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How to Plot Bar Charts in Python
This tutorial will show how you can plot bar charts using Python with detailed examples. Similar to line charts, bar charts show the relationship between X (on x-asix) and Y (on Y-asix). I will first use the same data as...
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How to Plot Line Charts in Python
Line charts are typically used to show the overall trend of a certain topic. For instance, you can use a line chart to show the overall price movement of a stock or people’s interest in a certain topic or object....
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Tutorial of Data Visualization Using Python
Introduction This tutorial shows how to plot line charts, bar charts, and scatter plots in Python. The major packages being used include Pandas, Matplotlib, and Seaborn. Note that, Pandas plot functions and Seaborn build on the top of Matplotlib, and...
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