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Module 6: Analysis

20267m

Write a short note on: Data plotting and visualization

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Short Note: Data Plotting and Visualization

Plotting turns numerical measurement data into graphs so that patterns can be understood quickly.

MermaidDiagram
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Plot Shows
Time plot Variation with time, trends
Scatter plot Relation between two variables
Histogram Distribution, noise level
FFT spectrum Frequency content
Real-time strip chart Live monitoring
  • Tools: Excel, MATLAB, Python (matplotlib), LabVIEW, Grafana dashboards.
  • Good practice: axis labels with units, legend, title, suitable scale and markers.
  • Benefits: easy detection of outliers, drift and noise; comparison of channels; clear presentation of results.

Exam tip

List 4 plot types, 2 tools and 3 benefits.

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