homework-jianmu/tests/army/query/function/ans/stddev.csv

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taos> select STDDEV(current) from ts_4893.meters
stddev(current) |
============================
1.154339668872967 |
taos> select STDDEV(current) from ts_4893.meters interval(1d) order by 1 limit 10
stddev(current) |
============================
0.838273408289689 |
0.838639277789961 |
0.839707477142884 |
0.839707477142884 |
0.840565842326814 |
0.844574982206356 |
0.846680761198646 |
0.847012832740024 |
0.847182714923872 |
0.848223610563545 |
taos> select STDDEV(id) from ts_4893.meters
stddev(id) |
============================
2886.751331514371941 |
taos> select STDDEV(id) from ts_4893.meters interval(1d) limit 10
stddev(id) |
============================
4.609772228646444 |
8.366600265340756 |
8.366600265340756 |
8.366600265340756 |
8.366600265340756 |
8.077747210701755 |
8.366600265340756 |
8.366600265340756 |
8.366600265340756 |
8.366600265340756 |
taos> select STDDEV(id) from ts_4893.meters where id > 100
stddev(id) |
============================
2857.595142773027419 |
taos> select STDDEV(id) from ts_4893.meters interval(1d) order by 1 limit 10
stddev(id) |
============================
4.609772228646444 |
5.477225575051661 |
8.077747210701755 |
8.077747210701755 |
8.077747210701755 |
8.077747210701755 |
8.077747210701755 |
8.077747210701755 |
8.077747210701755 |
8.077747210701755 |
taos> select stddev_pop(null) from ts_4893.meters
stddev_pop(null) |
============================
NULL |
taos> select stddev_pop(id) from ts_4893.d0
stddev_pop(id) |
============================
2886.751331514371941 |
taos> select stddev_pop(id) from ts_4893.meters
stddev_pop(id) |
============================
2886.751331514371941 |
taos> select stddev_pop(current) from ts_4893.d0
stddev_pop(current) |
============================
1.154339668872967 |
taos> select stddev_pop(current) from ts_4893.meters
stddev_pop(current) |
============================
1.154339668872967 |
taos> select stddev_pop(voltage) from ts_4893.meters
stddev_pop(voltage) |
============================
2.876459705957324 |
taos> select stddev_pop(voltage) from ts_4893.meters where voltage is not null
stddev_pop(voltage) |
============================
2.876459705957324 |
taos> select stddev_pop(phase) from ts_4893.meters
stddev_pop(phase) |
============================
0.288595458155823 |
taos> select stddev_pop(phase) from ts_4893.meters where ts between '2023-01-01 00:00:00' and '2023-12-31 23:59:59'
stddev_pop(phase) |
============================
0.288075357974611 |
taos> select stddev_pop(total_voltage) from (select sum(voltage) as total_voltage from ts_4893.meters group by location)
stddev_pop(total_voltage) |
============================
0.000000000000000 |
taos> select round(stddev_pop(current), 2) from ts_4893.meters
round(stddev_pop(current), 2) |
================================
1.150000000000000e+00 |
taos> select pow(stddev_pop(current), 2) from ts_4893.meters
pow(stddev_pop(current), 2) |
==============================
1.332500071133751e+00 |
taos> select log(stddev_pop(voltage) + 1) from ts_4893.meters
log(stddev_pop(voltage) + 1) |
===============================
1.354922290183882e+00 |
taos> select groupid, stddev_pop(voltage) from ts_4893.meters group by groupid order by groupid
groupid | stddev_pop(voltage) |
======================================
1 | 2.876459705957324 |
taos> select location, stddev_pop(current) from ts_4893.meters group by location order by location
location | stddev_pop(current) |
=================================================
beijing | 1.154339668872967 |
taos> select location, stddev_pop(voltage) from ts_4893.meters group by location order by location
location | stddev_pop(voltage) |
=================================================
beijing | 2.876459705957324 |