-
Notifications
You must be signed in to change notification settings - Fork 0
/
CalculatePppParametersExponential.m
54 lines (51 loc) · 1.51 KB
/
CalculatePppParametersExponential.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
% |**********************************************************************;
% * Project : Examinations of Assumptions of
% * Environmental Load Models
% *
% * Program name : CalculatePppParameters.m
% *
% * Author : Maulin Amin
% *
% * Date created : November 22, 2018
% *
% * Purpose : Calculates the NHPP Parametes using CROW-AMSAA plot
% and
%
% *
% * Revision History :
% *
% * Date Author Ref Revision (Date in YYYYMMDD format)
% * YYYY/MM/DD M Amin 1 Description of Revision
% *
% |**********************************************************************;
function a = CalculatePppParametersExponential(u,folder)
wind_data = ExtractCSV(folder);
wind_data = RemoveBelowThreshold(u,wind_data);
A = ShiftKMPHData(u,wind_data);
WindData = A;
PPTH60 = WindData(:,4);
PPTH60 = sortrows(PPTH60,1,'ascend');
PPTH60.Properties.VariableNames{'SpdOfMaxGust_km_h_'} = 'Kmph';
%calculations for PPP
z = numel(PPTH60);
for k = 1:z
PPTH60.Ln_Kmph(k) = log(PPTH60.Kmph(k));
end
toDelete = PPTH60.Ln_Kmph == 0;
PPTH60(toDelete,:) = [];
z = numel(PPTH60.Ln_Kmph);
for k = 1:z
PPTH60.Rank(k) = k;
end
for k = 1:z
PPTH60.Pi(k) = k/(z+1);
end
for k = 1:z
PPTH60.InvPi(k) = norminv(PPTH60.Pi(k));
end
for k = 1:z
PPTH60.ExpPi(k) = -log(1-PPTH60.Pi(k));
end
%Calculate Exponential PPP Parameters
p = polyfitB(PPTH60.ExpPi,PPTH60.Kmph,1,0);
a = p(1);