idnum log_radon floor county log_uranium_ppm
0 5081 0.788457 1 0 -0.689048
1 5082 0.788457 0 0 -0.689048
2 5083 1.064711 0 0 -0.689048
3 5084 0.000000 0 0 -0.689048
4 5085 1.131402 0 1 -0.847313