Crystalball is a statistical method of predicting outcomes of NBA games. Accuracy has varied from 64% to 68% over the last couple of years that it has been operational. Feel free to predict NBA games using the simple script as outlined below.

Notes for the 2020-2021 Season:

No home or away dis/advantages due to no in-person attendance at games (COVID-19)

predict_game.py is the new and improved version of the game outcome predictor.

To run: python3 predict_game.py <home_year> <home_team_id> <away_year> <away_team_id>

For example: python3 predict_game.py 2021 MEM 2021 ATL

sim.py contains the primary methods for simulating games

utils.py contains methods for cleaning / parsing player data

Total Results

Total Games	Games Predicted Correctly	Accuracy
23	15	65.2%

Update: I stopped writing up the daily predictions in the readme, but let me know if that's something you want to see.

12.29.20 Forecast

"Home"	"Away"	Predicted Winner + %	Prediction Timestamp	Real Winner	Notes
CLE	NYK	CLE 100.0%	12/29/2020 16:18	NYK	xx
PHI	TOR	PHI 100.0%	12/29/2020 16:18	PHI	xx
DET	GSW	DET 100.0%	12/29/2020 16:18	GSW	xx
IND	BOS	IND 100.0%	12/29/2020 16:18	BOS	xx
WAS	CHI	WAS 100.0%	12/29/2020 16:18	CHI	xx
MIA	MIL	MIA 100.0%	12/29/2020 16:18	MIL	xx
OKC	ORL	ORL 88.36%	12/29/2020 16:18	ORL	xx
PHO	NOP	PHO 100.0%	12/29/2020 16:18	PHO	xx
SAC	DEN	SAC 98.96%	12/29/2020 16:18	SAC	xx
LAC	MIN	LAC 59.49%	12/29/2020 16:18	LAC	xx

12.26.20 Forecast

"Home"	"Away"	Predicted Winner + %	Prediction Timestamp	Real Winner	Notes
MEM	ATL	ATL 100.0%	12/26/2020 14:02	ATL	xx
DET	CLE	CLE 100.0%	12/26/2020 14:02	CLE	xx
WAS	ORL	ORL 100.0%	12/26/2020 14:02	ORL	xx
CHO	OKC	xx	xx	xx	No data on OKC yet
NYK	PHI	PHI 100.0%	12/26/2020 14:02	PHI	xx
CHI	IND	IND 100.0%	12/26/2020 14:02	IND	xx
SAS	TOR	SAS 100.0%	12/26/2020 14:02	SAS	xx
UTA	MIN	UTA 100.0%	12/26/2020 14:02	MIN	xx
SAC	PHO	SAC 98.945%	12/26/2020 14:02	SAC	xx
POR	HOU	xx	xx	xx	No data on HOU yet

12.25.20 Forecast

"Home"	"Away"	Predicted Winner + %	Prediction Timestamp	Real Winner	Notes
MIA	NOP	NOP 100.0%	12/24/2020 18:43	MIA	xx
MIL	GSW	MIL 100.0%	12/24/2020 18:43	MIL	xx
BOS	BRK	BRK 100.0%	12/24/2020 18:43	BRK	xx
LAL	DAL	DAL 53.397%	12/24/2020 19:04	LAL	xx
DEN	LAC	LAC 78.898%	12/24/2020 18:43	LAC	xx