{
"cells": [
{
"cell_type": "code",
"execution_count": null,
"id": "25757efd-f33d-4987-aba9-254f942bed1c",
"metadata": {},
"outputs": [],
"source": [
"#handling missing values"
]
},
{
"cell_type": "code",
"execution_count": 24,
"id": "96c5efbb-26c5-4d03-b692-5f718a9be977",
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"\n",
"\n",
"
\n",
" \n",
" \n",
" | \n",
" id | \n",
" gender | \n",
" age | \n",
" hypertension | \n",
" heart_disease | \n",
" ever_married | \n",
" work_type | \n",
" Residence_type | \n",
" avg_glucose_level | \n",
" bmi | \n",
" smoking_status | \n",
" stroke | \n",
"
\n",
" \n",
" \n",
" \n",
" | 0 | \n",
" 9046 | \n",
" Male | \n",
" 67.0 | \n",
" 0 | \n",
" 1 | \n",
" Yes | \n",
" Private | \n",
" Urban | \n",
" 228.69 | \n",
" 36.6 | \n",
" formerly smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 1 | \n",
" 51676 | \n",
" Female | \n",
" 61.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Self-employed | \n",
" Rural | \n",
" 202.21 | \n",
" NaN | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 2 | \n",
" 31112 | \n",
" Male | \n",
" 80.0 | \n",
" 0 | \n",
" 1 | \n",
" Yes | \n",
" Private | \n",
" Rural | \n",
" 105.92 | \n",
" 32.5 | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 3 | \n",
" 60182 | \n",
" Female | \n",
" 49.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Private | \n",
" Urban | \n",
" 171.23 | \n",
" 34.4 | \n",
" smokes | \n",
" 1 | \n",
"
\n",
" \n",
" | 4 | \n",
" 1665 | \n",
" Female | \n",
" 79.0 | \n",
" 1 | \n",
" 0 | \n",
" Yes | \n",
" Self-employed | \n",
" Rural | \n",
" 174.12 | \n",
" 24.0 | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
"
\n",
"
\n",
"\n",
"
\n",
" \n",
" \n",
" | \n",
" id | \n",
" age | \n",
" hypertension | \n",
" heart_disease | \n",
" avg_glucose_level | \n",
" bmi | \n",
" stroke | \n",
"
\n",
" \n",
" \n",
" \n",
" | count | \n",
" 5110.000000 | \n",
" 5110.000000 | \n",
" 5110.000000 | \n",
" 5110.000000 | \n",
" 5110.000000 | \n",
" 4909.000000 | \n",
" 5110.000000 | \n",
"
\n",
" \n",
" | mean | \n",
" 36517.829354 | \n",
" 43.226614 | \n",
" 0.097456 | \n",
" 0.054012 | \n",
" 106.147677 | \n",
" 28.893237 | \n",
" 0.048728 | \n",
"
\n",
" \n",
" | std | \n",
" 21161.721625 | \n",
" 22.612647 | \n",
" 0.296607 | \n",
" 0.226063 | \n",
" 45.283560 | \n",
" 7.854067 | \n",
" 0.215320 | \n",
"
\n",
" \n",
" | min | \n",
" 67.000000 | \n",
" 0.080000 | \n",
" 0.000000 | \n",
" 0.000000 | \n",
" 55.120000 | \n",
" 10.300000 | \n",
" 0.000000 | \n",
"
\n",
" \n",
" | 25% | \n",
" 17741.250000 | \n",
" 25.000000 | \n",
" 0.000000 | \n",
" 0.000000 | \n",
" 77.245000 | \n",
" 23.500000 | \n",
" 0.000000 | \n",
"
\n",
" \n",
" | 50% | \n",
" 36932.000000 | \n",
" 45.000000 | \n",
" 0.000000 | \n",
" 0.000000 | \n",
" 91.885000 | \n",
" 28.100000 | \n",
" 0.000000 | \n",
"
\n",
" \n",
" | 75% | \n",
" 54682.000000 | \n",
" 61.000000 | \n",
" 0.000000 | \n",
" 0.000000 | \n",
" 114.090000 | \n",
" 33.100000 | \n",
" 0.000000 | \n",
"
\n",
" \n",
" | max | \n",
" 72940.000000 | \n",
" 82.000000 | \n",
" 1.000000 | \n",
" 1.000000 | \n",
" 271.740000 | \n",
" 97.600000 | \n",
" 1.000000 | \n",
"
\n",
" \n",
"
\n",
"
\n",
"\n",
"
\n",
" \n",
" \n",
" | \n",
" id | \n",
" gender | \n",
" age | \n",
" hypertension | \n",
" heart_disease | \n",
" ever_married | \n",
" work_type | \n",
" Residence_type | \n",
" avg_glucose_level | \n",
" bmi | \n",
" smoking_status | \n",
" stroke | \n",
"
\n",
" \n",
" \n",
" \n",
" | 0 | \n",
" 9046 | \n",
" 1 | \n",
" 67.0 | \n",
" 0 | \n",
" 1 | \n",
" 1 | \n",
" 2 | \n",
" 1 | \n",
" 228.69 | \n",
" 36.600000 | \n",
" 1 | \n",
" 1 | \n",
"
\n",
" \n",
" | 1 | \n",
" 51676 | \n",
" 0 | \n",
" 61.0 | \n",
" 0 | \n",
" 0 | \n",
" 1 | \n",
" 3 | \n",
" 0 | \n",
" 202.21 | \n",
" 28.893237 | \n",
" 2 | \n",
" 1 | \n",
"
\n",
" \n",
" | 2 | \n",
" 31112 | \n",
" 1 | \n",
" 80.0 | \n",
" 0 | \n",
" 1 | \n",
" 1 | \n",
" 2 | \n",
" 0 | \n",
" 105.92 | \n",
" 32.500000 | \n",
" 2 | \n",
" 1 | \n",
"
\n",
" \n",
" | 3 | \n",
" 60182 | \n",
" 0 | \n",
" 49.0 | \n",
" 0 | \n",
" 0 | \n",
" 1 | \n",
" 2 | \n",
" 1 | \n",
" 171.23 | \n",
" 34.400000 | \n",
" 3 | \n",
" 1 | \n",
"
\n",
" \n",
" | 4 | \n",
" 1665 | \n",
" 0 | \n",
" 79.0 | \n",
" 1 | \n",
" 0 | \n",
" 1 | \n",
" 3 | \n",
" 0 | \n",
" 174.12 | \n",
" 24.000000 | \n",
" 2 | \n",
" 1 | \n",
"
\n",
" \n",
"
\n",
"
\n",
"\n",
"
\n",
" \n",
" \n",
" | \n",
" id | \n",
" gender | \n",
" age | \n",
" hypertension | \n",
" heart_disease | \n",
" ever_married | \n",
" work_type | \n",
" Residence_type | \n",
" avg_glucose_level | \n",
" bmi | \n",
" smoking_status | \n",
" stroke | \n",
"
\n",
" \n",
" \n",
" \n",
" | 0 | \n",
" 9046 | \n",
" Male | \n",
" 67.0 | \n",
" 0 | \n",
" 1 | \n",
" Yes | \n",
" Private | \n",
" Urban | \n",
" 228.69 | \n",
" 36.600000 | \n",
" formerly smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 1 | \n",
" 51676 | \n",
" Female | \n",
" 61.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Self-employed | \n",
" Rural | \n",
" 202.21 | \n",
" 28.893237 | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 2 | \n",
" 31112 | \n",
" Male | \n",
" 80.0 | \n",
" 0 | \n",
" 1 | \n",
" Yes | \n",
" Private | \n",
" Rural | \n",
" 105.92 | \n",
" 32.500000 | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 3 | \n",
" 60182 | \n",
" Female | \n",
" 49.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Private | \n",
" Urban | \n",
" 171.23 | \n",
" 34.400000 | \n",
" smokes | \n",
" 1 | \n",
"
\n",
" \n",
" | 4 | \n",
" 1665 | \n",
" Female | \n",
" 79.0 | \n",
" 1 | \n",
" 0 | \n",
" Yes | \n",
" Self-employed | \n",
" Rural | \n",
" 174.12 | \n",
" 24.000000 | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
" ... | \n",
"
\n",
" \n",
" | 5105 | \n",
" 18234 | \n",
" Female | \n",
" 80.0 | \n",
" 1 | \n",
" 0 | \n",
" Yes | \n",
" Private | \n",
" Urban | \n",
" 83.75 | \n",
" 28.893237 | \n",
" never smoked | \n",
" 0 | \n",
"
\n",
" \n",
" | 5106 | \n",
" 44873 | \n",
" Female | \n",
" 81.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Self-employed | \n",
" Urban | \n",
" 125.20 | \n",
" 40.000000 | \n",
" never smoked | \n",
" 0 | \n",
"
\n",
" \n",
" | 5107 | \n",
" 19723 | \n",
" Female | \n",
" 35.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Self-employed | \n",
" Rural | \n",
" 82.99 | \n",
" 30.600000 | \n",
" never smoked | \n",
" 0 | \n",
"
\n",
" \n",
" | 5108 | \n",
" 37544 | \n",
" Male | \n",
" 51.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Private | \n",
" Rural | \n",
" 166.29 | \n",
" 25.600000 | \n",
" formerly smoked | \n",
" 0 | \n",
"
\n",
" \n",
" | 5109 | \n",
" 44679 | \n",
" Female | \n",
" 44.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Govt_job | \n",
" Urban | \n",
" 85.28 | \n",
" 26.200000 | \n",
" Unknown | \n",
" 0 | \n",
"
\n",
" \n",
"
\n",
"
5110 rows × 12 columns
\n",
"
\n",
"\n",
"
\n",
" \n",
" \n",
" | \n",
" id | \n",
" gender | \n",
" age | \n",
" hypertension | \n",
" heart_disease | \n",
" ever_married | \n",
" work_type | \n",
" Residence_type | \n",
" avg_glucose_level | \n",
" bmi | \n",
" smoking_status | \n",
" stroke | \n",
"
\n",
" \n",
" \n",
" \n",
" | 0 | \n",
" 9046 | \n",
" Male | \n",
" 67.0 | \n",
" 0 | \n",
" 1 | \n",
" Yes | \n",
" Private | \n",
" Urban | \n",
" 228.69 | \n",
" 36.6 | \n",
" formerly smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 1 | \n",
" 51676 | \n",
" Female | \n",
" 61.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Self-employed | \n",
" Rural | \n",
" 202.21 | \n",
" NaN | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 2 | \n",
" 31112 | \n",
" Male | \n",
" 80.0 | \n",
" 0 | \n",
" 1 | \n",
" Yes | \n",
" Private | \n",
" Rural | \n",
" 105.92 | \n",
" 32.5 | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
" | 3 | \n",
" 60182 | \n",
" Female | \n",
" 49.0 | \n",
" 0 | \n",
" 0 | \n",
" Yes | \n",
" Private | \n",
" Urban | \n",
" 171.23 | \n",
" 34.4 | \n",
" smokes | \n",
" 1 | \n",
"
\n",
" \n",
" | 4 | \n",
" 1665 | \n",
" Female | \n",
" 79.0 | \n",
" 1 | \n",
" 0 | \n",
" Yes | \n",
" Self-employed | \n",
" Rural | \n",
" 174.12 | \n",
" 24.0 | \n",
" never smoked | \n",
" 1 | \n",
"
\n",
" \n",
"
\n",
"