Practical
Exam
Task-1: Dataset
Description using Orange tool. What is need to be done to improve the accuracy
of classification result of the given dataset?
Dataset: https://archive.ics.uci.edu/ml/datasets/Dresses_Attribute_Sales
Get the maximum
classification accuracy possible by performing following methods.
-->Pre-processing
o Encoding
o Normalization
o Missing value handling
o Feature Selection
Compare your accuracy
with and without applying pre-processing steps. Perform the Classification and
visualize accuracy before and after preprocessing in Orange/Python.
Figure 1
DataSet Info
Initial Accuracy
Improved Accuracy
Task-2: Generate the Dashboard of preprocessed dataset from task-1.
Find the Maximum data insights by plotting Bar chart, Boxplot, Pie Plot, Stack Plot using PowerBI dashboard visualization.
Power Bi Dashboard
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