Time Series Chart Example

	A	B	C	D	E	F
1	type	name	label::language	relevant	required	calculation

2
3	start	_start
4	end	_end
5	deviceid	_device
6
7	select_one school	school	School		yes
8	date	date	Date		yes
9	int	boys	Boys		yes
10	int	girls	Girls		yes
11	calculate	ts_dates				pulldata('chart_self', 'date', 'school', ${school})
12	calculate	labels_a				join(':', ${ts_dates}, ${date})
13	calculate	labels_b				join(':', 'Girls', 'Boys')
14	calculate	labels				join('::',${labels_a}, ${labels_b})
15	calculate	ts_boys				pulldata('chart_self', 'boys', 'school', ${school})
16	calculate	ts_boys_sum				join(':', ${ts_boys}, ${boys})
17	calculate	ts_girls				pulldata('chart_self', 'girls', 'school', ${school})
18	calculate	ts_girls_sum				join(':', ${ts_girls}, ${girls})
19	calculate	ts_data				join('::', ${ts_girls_sum}, ${ts_boys_sum})
20	note	n	Data is ${ts_data}
21	chart	chart		string-length(${ts_dates}) > 0		join('==', ${labels}, ${ts_data})
22	note	nnd	No historical data available. Try submitting a few values.	string-length(${ts_dates}) = 0
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