video data explanation
age
1 for youth
2 for mid-age
3 for senior
Income
1 for low
2 for medium
3 for high
student
1 for yes
2 for no
credit rating
1 for fair
2 for excellent
buys computer
0 for no
1 for yes
This best feature is identified using dot data from classifier which is extracted using export graphviz
The best feature identified is shown in form of pie chart
Age is found to be most influencing feature to decide whether a person buys computer or not from the given csv data.