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+++ b/README.md
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 ## About Dataset
 This is a heart dataset.
 
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 1. Age: Age (in years) 
 2. Sex: gender (1 = male; 0 = female) 
 3.ChestPain: Chest Pain type 
--- 1: typical angina (all criteria present) 
--- 2: atypical angina (two of three criteria satisfied) 
--- 3: non-anginal pain (less than one criteria satisfied) 
--- 4: asymptomatic (none of the criteria are satisfied) 
+3.1: typical angina (all criteria present) 
+3.2: atypical angina (two of three criteria satisfied) 
+3.3: non-anginal pain (less than one criteria satisfied) 
+3.4: asymptomatic (none of the criteria are satisfied) 
 
 4. Restbps: Resting Blood pressure (in mmHg, upon admission to the hospital) 
 5. Chol: serum cholesterol in mg/dL