Update README.md

README.md

@@ -33,7 +33,41 @@ This dataset has many potential uses. Primarily, visualization of plays, as illu
 
 ## Dataset Structure
 
-<!-- complete once data is uploaded, so that one can understand how it is formatted. -->
+The data is in the format of a dictionary:
+
+- 'gameid': str
+- 'gamedate': str
+- 'eventid': str
+- 'visitor':
+  - 'name': str
+  - 'teamid': int,
+  - 'abbreviation': str
+  - 'players': list of the dictionaries in the form of the following
+    - 'lastname': str
+    - 'firstname': str
+    - 'playerid': str
+    - 'number': int
+    - 'position': str
+- 'home': same format as visitor
+- 'quarter': int
+- 'game_clock': float
+- 'shot_clock': float
+- 'ball_coordinates':
+  - 'x': float
+  - 'y': float
+  - 'z': float
+- 'player_coordinates': list of the dictionaries in the form of the following
+  - 'teamid': int
+  - 'playerid': int
+  - 'x': float
+  - 'y': float
+  - 'z': float
+
+## Requirements
+
+To load the data, you must run
+
+`import py7zr`
 
 ## Dataset Creation