Post
Topic
Board Meta
Re: Time Series Analysis on Distributed Merits in the forum (daily, weekly, monthly)
by
tranthidung
on 01/09/2019, 15:32:24 UTC
Medians and means of intra-day merits over days of weeks.
Colors:
- Green: highest.
- Red: Lowest.

- In median, the highest days are Monday, Wednesday, and Thursday at 670, 655, and 654, respectively; whislt the lowest days are Friday, Saturday, and Sunday at 581, 593, and 608, respectively.
- In means, the highest days are Monday, Wednesday, and Tuesday, at 729, 700, and 695, respectively; whilst the lowest days are Friday, Saturday, and Sunday, at 608, 616, and 672, respectively.
- Monday has still been the highest day in terms of median and mean of intra-day merits over weeks, in contrast Friday is the lowest days in terms of median, and mean of intra-day merits over weeks.

Calendar day is in GMT time.
To take away all doubt: the first Merit was this one:
Code:
1516831941 1 2818066.msg28853325 35 877396
Use EpochConverter to convert 1516831941 (Unix Time) to GMT: Wednesday 24 January 2018 22:12:21.

Basic statistics:
Code:
. tabstat merit, s(n mean sd p50 p25 p75 min max) format(%9.1f) by(dofw)

Summary for variables: merit
     by categories of: dofw

     dofw |         N      mean        sd       p50       p25       p75       min       max
----------+--------------------------------------------------------------------------------
   Sunday |      79.0     671.9     282.4     608.0     505.0     778.0     394.0    2464.0
   Monday |      80.0     728.8     262.0     669.5     564.5     799.5     313.0    1863.0
  Tuesday |      79.0     694.3     201.6     640.0     588.0     742.0     384.0    1327.0
Wednesday |      79.0     699.6     203.0     655.0     559.0     760.0     394.0    1271.0
 Thursday |      79.0     683.5     195.2     654.0     533.0     775.0     348.0    1335.0
   Friday |      79.0     607.3     192.3     581.0     500.0     651.0     349.0    1706.0
 Saturday |      79.0     616.0     199.9     593.0     478.0     690.0     295.0    1410.0
----------+--------------------------------------------------------------------------------
    Total |     554.0     671.7     224.8     627.0     529.0     752.0     295.0    2464.0
-------------------------------------------------------------------------------------------

Box plots
Outliers displayed as red circles.

Outliers non-displayed.