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Matplotlib Data Visualization Tutorial• 6 min read
Annotations, Text Arrows & LaTeX Math
Draw callout arrows, highlight statistical peaks with plt.annotate(), and render mathematical formulas with KaTeX syntax.
Pointing to Significant Data Points with annotate()
plt.annotate("Record High", xy=(x, y), xytext=(x_text, y_text), arrowprops=dict(facecolor="black")) draws a pointer arrow pointing directly to an outlier.
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Test Yourself With Exercise
Which function creates a text label connected by an arrow pointing to a specific coordinate on the plot?