JOURNAL · STATS & DATA · 7 OF 7
Reading your own log without fooling yourself
A year of habit data answers questions a streak counter cannot, and it also invites a lot of confident nonsense. These pages cover what each chart really shows, which numbers describe your behaviour, and how to test a pattern instead of believing it.
PILLAR
/blog/habit-heatmap-explained
How to read a habit heatmap
The year in 365 squares. Four patterns show up in almost everyone, and each one means something specific.
365 words 3 internal links
STATS & DATA
What 1 204 logs told me about my own weekends
Reading the weekday bias chart, and what to change because of it.
STATS & DATA
Correlating two habits without fooling yourself
Meditation days really are better reading days. The number is real and it means less than it looks like.
STATS & DATA
CSV, JSON or nothing: habit data export formats compared
What each format keeps, what it silently drops, and which one to ask for.
STATS & DATA
The hour you log a habit predicts whether you keep it
Late logging is the earliest reliable warning that a habit is about to stop.
STATS & DATA
Streak lengths are not normally distributed, and that changes the goal
Your streaks are mostly short with a long tail. That shape has practical consequences.
STATS & DATA
What counts as a good completion rate
A hundred percent is a red flag. Here is the range that means the target is set correctly.