Description Usage Format Source References Examples
The venice
data frame has 51 rows and 2 columns.
Pirazzoli (1982) collected the ten largest values of sea
levels in Venice (with a few exceptions) for the years 1887–1981.
The venice
data frame contains the maxima for the years
1931–1981.
1 |
This data frame contains the following columns:
year
the years;
sea
the sea levels (in cm).
The data were obtained from
Smith, R. L. (1986) Extreme value theory based on the r-largest annual events. Journal of Hydrology , 86, 27–43.
Pirazzoli, P. (1982) Maree estreme a Venezia (periodo 1872–1981). Acqua Aria, 10, 1023–1039.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | data(venice)
attach(venice)
#
plot(sea ~ year, ylab = "sea level")
##
Year <- 1:51/51
venice.l <- rsm(sea ~ Year + I(Year^2), family = extreme)
lines(year, fitted(venice.l))
##
c11 <- cos(2*pi*1:51/11) ; s11 <- sin(2*pi*1:51/11)
c19 <- cos(2*pi*1:51/18.62) ; s19 <- sin(2*pi*1:51/18.62)
venice.p <- rsm(sea ~ Year + I(Year^2) + c11 + s11 + c19 + s19,
family = extreme)
lines(year, fitted(venice.p), col = "red")
##
detach()
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