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bug fixed for GRU and GRT in SHAPE_ver2b.0

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Konstantinos Leptokaropoulos 2020-07-23 11:12:55 +02:00
parent eab8aa62ef
commit 58e49988b0
3 changed files with 11 additions and 3 deletions
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3
SHAPE_Package/!What's_New!.txt
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@ -1,3 +1,6 @@
>>>> 23 JULY 2020
Bug fixed for confidence interval estimation in SHAPE_ver2b.0
>>>> 08 JUNE 2020
Please find the new version SHAPE_ver2b, which in addition to all functionalities included in SHAPE_ver2
also estimates the 95% bootstrap confidence interval of Mean Return Period, Exceedance Probability, and

2
SHAPE_Package/SHAPE_ver2b.0/SSH/UnlimitGR.m
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@ -107,7 +107,7 @@ clear x;
beta=1/(mean(xx)-Mmin+eps/2);
b=beta/log(10);
% Add bootstrap CI of b-value %K03JUN2020
b_aki=@(xx)1/(log(10)*(mean(xx)-min(xx)+eps/2)); %K03JUN2020
b_aki=@(xx)1/(log(10)*(mean(xx)-Mmin+eps/2)); %K03JUN2020
bCI=bootci(Nbst,{b_aki,xx},'alpha',0.05); %K03JUN2020
clear xx

9
SHAPE_Package/SHAPE_ver2b.0/SSH/dist_GRT_CI.m
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@ -61,8 +61,13 @@ PDF_GRT(idx)=zeros(size(idx));CDF_GRT(idx)=zeros(size(idx));
idx=find(CDF_GRT>1);
PDF_GRT(idx)=zeros(size(idx));CDF_GRT(idx)=ones(size(idx));
CDF_low=1-exp(-beta_low*(m-Mmin+eps/2));
CDF_high=1-exp(-beta_high*(m-Mmin+eps/2));
mian_low=(1-exp(-beta_low*(Mmax-Mmin+eps/2)));mian_high=(1-exp(-beta_high*(Mmax-Mmin+eps/2)));
CDF_low=(1-exp(-beta_low*(m-Mmin+eps/2)))/mian_low;
idx=find(CDF_low<0);CDF_low(idx)=zeros(size(idx));
idx=find(CDF_low>1);CDF_low(idx)=ones(size(idx));
CDF_high=(1-exp(-beta_high*(m-Mmin+eps/2)))/mian_high;
idx=find(CDF_high<0);CDF_high(idx)=zeros(size(idx));
idx=find(CDF_high>1);CDF_high(idx)=ones(size(idx));
CDF_GRT=[CDF_GRT CDF_low CDF_high];
end