Lära Review: Data Analysis and Visualization | Analyzing and Visualizing Compliance Data

Python for Compliance Officers

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Data analysis and visualization are essential tools for compliance officers working with large volumes of transaction data. By using Python, you can efficiently identify suspicious activities, validate regulatory requirements, and communicate findings clearly to stakeholders. Analysis techniques, such as filtering, grouping, and anomaly detection, help uncover patterns that might indicate compliance breaches. Visualization, on the other hand, transforms raw data into understandable charts and graphs, making it easier to spot trends, outliers, or areas of concern. Together, these approaches support both investigations and reporting, ensuring that compliance efforts are data-driven and transparent.


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import pandas as pd
import matplotlib.pyplot as plt

# Simulated transaction data
data = {
    "transaction_id": range(1, 21),
    "amount": [100, 200, 150, 5000, 120, 130, 110, 6000, 140, 125, 7000, 160, 115, 400, 180, 300, 8000, 135, 210, 250],
    "flagged": [False, False, False, True, False, False, False, True, False, False, True, False, False, False, False, False, True, False, False, False]
}
df = pd.DataFrame(data)

# Plot all transactions
plt.figure(figsize=(10, 5))
plt.plot(df["transaction_id"], df["amount"], label="Regular Transactions", marker='o')

# Highlight flagged anomalies
anomalies = df[df["flagged"]]
plt.scatter(anomalies["transaction_id"], anomalies["amount"], color='red', label="Flagged Anomalies", zorder=5)

plt.title("Transaction Amounts with Flagged Anomalies")
plt.xlabel("Transaction ID")
plt.ylabel("Amount ($)")
plt.legend()
plt.tight_layout()
plt.show()

When presenting compliance data to stakeholders, clarity and relevance are critical. Charts and tables should be easy to interpret, with clear labels, legends, and titles that explain what the data represents. Avoid clutter by focusing on the most important metrics or findings, and use color or highlighting to draw attention to key areas, such as anomalies or regulatory breaches. Providing concise summaries alongside visualizations helps ensure that non-technical audiences can grasp the significance of the data. Always ensure that sensitive information is anonymized or appropriately secured before sharing reports.


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import matplotlib.pyplot as plt

# Example data for compliance report
categories = ["Compliant", "Non-Compliant", "Under Review"]
counts = [85, 10, 5]

fig, ax = plt.subplots(figsize=(7, 4))
bars = ax.bar(categories, counts, color=["#4CAF50", "#F44336", "#FFEB3B"])

# Add value labels on top of bars for clarity
for bar in bars:
    height = bar.get_height()
    ax.annotate(f"{height}",
                xy=(bar.get_x() + bar.get_width() / 2, height),
                xytext=(0, 3),
                textcoords="offset points",
                ha="center", va="bottom", fontsize=11, fontweight='bold')

ax.set_title("Compliance Status Overview")
ax.set_ylabel("Number of Cases")
ax.set_xlabel("Status Category")
ax.spines['top'].set_visible(False)
ax.spines['right'].set_visible(False)
plt.tight_layout()
plt.show()

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Avsnitt 2. Kapitel 6

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Avsnitt 2. Kapitel 6

Review: Data Analysis and Visualization

1. What is a best practice for presenting compliance data?

2. How can combining analysis and visualization improve compliance workflows?

3. What should be considered when sharing compliance charts with stakeholders?