D&D Roll Statistics

This project tracks my d20 roll statistics for the Dungeons & Dragons games I participate in.

Table of contents:

• Global Statistics
• Campaign Statistics
  • one-shot-gang
  • tyranny-of-dragons-1
• FAQ

Global Statistics

Here's a histogram of all aggregated rolls across all campaigns:

and the overall statistics:

count	mean	stddev	Q1	median	Q3
253	9.44	5.75	4	9	14

Campaign Statistics

one-shot-gang statistics

Here's a histogram of all aggregated rolls for the 'one-shot-gang' campaign:

and the per-session statistics:

session	count	mean	stddev	Q1	median	Q3
aggregate	21	9	6.73	2	9	15
session-01	21	9	6.73	2	9	15

tyranny-of-dragons-1 statistics

Here's a histogram of all aggregated rolls for the 'tyranny-of-dragons-1' campaign:

and the per-session statistics:

session	count	mean	stddev	Q1	median	Q3
aggregate	232	9.48	5.74	5	9	14
session-01	24	9.79	6.93	3.50	10	13
session-02	21	9.57	5.80	5	8	14
session-03	14	11.07	7.21	8	11	15
session-04	22	10.64	7.97	5	10	16
session-05	31	8.84	6.42	4	8	14
session-06	23	9.26	6.30	6	8	13
session-07	18	12.78	6.68	9	15	17
session-08	26	6.92	5.09	2	6	10
session-09	4	14.50	11.76	11	16	18
session-10	11	8	6.40	4	7	13
session-11	10	11.60	7.96	5	14.50	15
session-12	2	7	6.32
session-13	11	8.64	5.16	6	10	12
session-14	15	7.07	5.62	3	6	10

FAQ

What do I need to run the scripts in ./scripts/?

• csvizmo installed in your $PATH
  • gnuplot
• csvtool
  • Fedora: sudo dnf install ocaml-csv
  • Ubuntu: sudo apt install csvtool

How do I add a new session to an existing campaign?

1. Add a session-<index>.csv file to data/<campaign>/sessions/. The file should have two columns:

   • session: The session number
   • roll: The d20 roll value

2. Run the ./scripts/add_session.sh script. It will discover the newly created session file and update the campaign statistics accordingly.

   ./scripts/add_session.sh

3. Sanity check the changes to the README:

   git diff README.md

4. Commit and push

How do I add a new campaign?

1. Create data/<campaign>/sessions/
2. Create figures/<campaign>/sessions/
3. Add your campaign's first session with the process above