Description Usage Arguments Value Examples
Estimated regional (or local) (1alpha)confidence intervals for an estimated quantile by using seasonal TL(0,1)moments (sTL).
1  confInt_sTL(x1, x2, p, j = 1, alpha = 0.05)

x1 
vector or matrix of observations from season 1 (rows: observations, columns: stations). 
x2 
vector or matrix of observations from season 2 (rows: observations, columns: stations). 
p 
a probability. 
j 
quantile and parameter estimation for the jth station (jth column of 
alpha 
confidence level for confidence interval. 
List of
ci
confidence interval.
quant
estimated quantile from a twocomponent GEV using trimmed Lmoments (leftrim=0, rightrim=1).
var
variance of the estimated quantile.
1 2 3 4 5 6 7 8 9 10  library("evd")
# Seasonal observations of 80 years at one station:
x1 < rgev(80, 2, 1, 0.2) # observations from season 1
x2 < rgev(80, 3, 1, 0.3) # observations from season 2
confInt_sTL(x1=x1, x2=x2, p=0.95, alpha=0.05)
# Seasonal observations of 100 years at 4 stations:
x1 < matrix(rgev(400, 2, 1, 0.3), ncol=4)
x2 < matrix(rgev(400, 4, 1, 0.2), ncol=4)
confInt_sTL(x1=x1, x2=x2, j=2, p=0.95, alpha=0.05)

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