All the files in this folder analyze meal-level variables.

meals-iphone.txt
meals-shimmer.txt
1 line per EA including all events from each -events.txt file (ground truth)
14 columns are:
filename meal_name %valid_data start_index end_index gt_class md_class
6 features (last 2 are rest% and zero_cross%)
valid/invalid (1=>use, 0=>do not use)

triage-meals.c
program that parses meals-*.txt and identifies meals to use or not
Standard rules are:
>50% invalid data
<1 minute duration
>70% rest
>15% zero crossings (indicator of walking)

meals.c
Parses an -events.txt file to append to database.txt
batch-meals runs meals.c on every file

eval-context.c
Uses a classifier result file to look at which types of EAs were detected
(e.g. by weekday)