Question

3. The following is a dataset comprising or 4 parameters which lead to the prediction of whether an Elephant would be
spotted or not. The parameters which affect the prediction are : Outlook, Temperature, Humidity and Wind. Draw a
decision tree for this dataset.
The first row should be interpreted as:
If the outlook is sunny, temperature is
hot, humidity is high and wind is weak,
elephant cannot be spotted.
Use data in all the rows to arrive at a
decision tree as to whether elephant
can be spotted on a given day or not.
OUTLOOK TEMPERATURE HUMIDITY WIND ELEPHANT SPOTTED?
Sunny
Hot High
Weak
No
Sunny
Hot High Strong
No
Overcast
Hot
High
Weak
Yes
Rain
Mild High
Weak
Yes
Rain
Cool Normal Weak
Yes
Rain
Cool Normal Strong
No
Overcast
Cool Normal Strong
Yes
Sunny
Mild High
Weak
No
Sunny
Cool Normal Weak
Yes
Rain
Mild Normal Weak
Yes
Sunny
Mild Normal Strong
Yes
Overcast
Mild High Strong
Yes
Overcast
Hot
Normal Weak
Yes
Rain
Mild High Strong
No​

Answer 1

Sunny,Overcast,Yes,Mild High