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lab1

📁 DATA LOADING

🧹 DATA CLEANING

🔄 DATA TRANSFORMATION

Power consumption distribution analysis
Violin Plot (Plotly)
Loads Australian TV energy rating dataset (32 columns)
CSV Reader
Handles missing data values
Missing Value
emoves duplicate entries, keeps most recent
Duplicate Row Filter
Converts screen size: cm → inches (÷2.54)
Math Formula
Bar Chart
GroupBy
GroupBy
Creates screen size categories (22", 32", 40", etc.)
Rule Engine
GroupBy
Shows frequency distributions
Bar Chart
Keeps 11 essential columns, removes 21 unnecessary ones
Column Filter
Screen size vs power consumption relationship
Scatter Plot (Plotly)
Keeps only available TV models (removes discontinued)
Nominal Value Row Filter
Bar Chart
GroupBy
Bar Chart
Aggregates data for chart analysis
GroupBy
Bar Chart

Nodes

Extensions

Links