Major earthquakes {DDPM}

The data show the number of major US earthquakes

Description

The function gives the number of major US earthquakes per year from 1950 through 2012.

Usage

data_earthq

Arguments

data_earthq

A vector of (non-negative integer) count values.

Details

The data show the number of major US earthquakes per year from 1950 through 2012. Recently, they were used by Beckett et al. (2014) and fitted by the zero-inflated Poisson (ZIP) distribution.

Value

data_earthq gives the observed frequencies for the number of major US earthquakes per year from 1950 through 2012.

Author(s)

Muhammad Imran

R implementation and documentation: Muhammad Imran [e-mail].

References

Beckett, S., Jee, J., Ncube, T., Pompilus, S., Washington, Q., Singh, A., & Pal, N. (2014). Zero-inflated Poisson (ZIP) distribution: Parameter estimation and applications to model data from natural calamities. Involve, a Journal of Mathematics, 7(6), 751-767.

See Also

data_hurricanes

Examples

x<-data_earthq
summary(x)
table (x)