Naïve running estimates
-5
-4
-3
-2
-1
0
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Time
(days)
Error, statistics (mm)
mean
SD
Estimates of mean and
σ
are unreliable themselves: residual errors in mean and margin
-5
5