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Topic
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Re: Time Series Analysis on Distributed Merits in the forum (daily, weekly, monthly)
by
tranthidung
on 06/10/2019, 15:11:29 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 664, 654, and 652, respectively; whislt the lowest days are Friday, Saturday, and Sunday at 583, 591, and 608, respectively.
- In means, the highest days are Monday, Wednesday, and Tuesday, at 721, 697, and 687, respectively; whilst the lowest days are Friday, Saturday, and Sunday, at 606, 611, and 665, 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 |      84.0     664.7     276.0     607.5     497.5     773.5     394.0    2464.0
   Monday |      85.0     720.9     257.5     664.0     563.0     791.0     313.0    1863.0
  Tuesday |      84.0     686.8     199.1     638.5     583.5     735.5     384.0    1327.0
Wednesday |      84.0     696.1     199.4     654.0     558.5     760.0     394.0    1271.0
 Thursday |      84.0     678.9     191.5     651.5     537.0     767.0     348.0    1335.0
   Friday |      84.0     605.1     188.1     582.5     498.5     647.5     349.0    1706.0
 Saturday |      84.0     610.2     196.8     590.5     473.5     685.5     295.0    1410.0
----------+--------------------------------------------------------------------------------
    Total |     589.0     666.2     220.7     624.0     528.0     737.0     295.0    2464.0
-------------------------------------------------------------------------------------------

Box plots
Outliers displayed as red circles.

Outliers non-displayed.