rw2 {pomp} | R Documentation |
rw2
constructs a ‘pomp’ object encoding a 2-D Gaussian random walk.
rw2(x1_0 = 0, x2_0 = 0, s1 = 1, s2 = 3, tau = 1, times = 1:100, t0 = 0)
x1_0, x2_0 |
initial conditions (i.e., latent state variable values at the zero time |
s1, s2 |
random walk intensities |
tau |
observation error s.d. |
times |
observation times |
t0 |
zero time |
The random-walk process is fully but noisily observed.
A ‘pomp’ object containing simulated data.
Other pomp examples: blowflies
,
dacca
, ebola
,
gompertz
, measles
,
ou2
, ricker
,
sir_models
, verhulst
library(magrittr) library(dplyr) library(tidyr) library(ggplot2) rw2() %>% plot() rw2(s1=1,s2=1,tau=0.1) %>% simulate(nsim=10,format="d") %>% ggplot(aes(x=y1,y=y2,group=.id,color=.id))+ geom_path()+ guides(color=FALSE)+ theme_bw()