Test variable A

This page is a knowledge crystal of subtype variable. The page identifier is Op_en5682
Moderator:Erkki Kuusisto (see all)
This page is a stub. You may improve it into a full page.
Upload data {{#opasnet_base_link:Op_en5682}}

Question

A simple test variable that defines a table of sample data and stores it into Opasnet Base?

Answer

Number of Helsinki inhabitants living in areas of traffic noise, per zone and noise source[1]

Result

Data from 2007 strategic noise mapping by the City of Helsinki (calculated from 2006 population and traffic data):

Test variable A: Difference between revisions(-)

Obs	Indicator	Lower bound (dB)	Upper bound (dB)	Road	Train	Tram	Subway	Aviation
1	Lden	55	59	87200	10300	11500	5700	500
2	Lden	60	64	88700	3600	18800	3000	0
3	Lden	65	69	46600	2600	1300	900	0
4	Lden	70	74	14900	200	0	0	0
5	Lden	75		100	0	0	0	0
6	Lden	55		237 500	16700	43400	9600	500
7	Lnight	50	54	90200	5200	17900	4500	0
8	Lnight	55	59	49900	3000	16800	1700	0
9	Lnight	60	64	21700	800	1200	0	0
10	Lnight	65	69	400	0	0	0	0
11	Lnight	70		0	0	0	0	0
12	Lnight	50		162200	9000	35900	6200	0

Related files

<mfanonymousfilelist></mfanonymousfilelist>

Test variable A. Opasnet . [2]. Accessed 08 Dec 2025.