combinedData = errors.concat(arma11)
ymean = mu/(1 - phi)
import {d3} from "https://d3js.org/d3.v7.min.js"
webR = {
// Set up webR
let { WebR, ChannelType } = await import('https://webr.r-wasm.org/latest/webr.mjs');
let webR = new WebR({ channelType: ChannelType.PostMessage });
await webR.init();
webR.evalR('set.seed(1234)')
return webR;
}
shelter = {
return new webR.Shelter();
}
innovs = {
let rFn = await shelter.evalR(`function(n) rnorm(n)`);
let ret = await rFn(n);
return ret.values;
}
mutable out = [];
// Send a JS object to R, get JS array back
arma11 = {
let rFn = await shelter.evalR(`function(innovs, phi, theta, m) {
c(
arima.sim(
model = list(
order = c(length(phi), ifelse(sum(phi) < 1, 0, 1), length(theta)),
ar = ifelse(phi < 1, phi, 0),
ma = theta
),
n = length(innovs),
innov = innovs,
n.start = length(phi) + length(theta), start.innov = rep(0, length(phi) + length(theta))
) + m
)
}`);
let ret = await rFn(errors, phi, theta, mu/(1-phi));
let { output } = await shelter.captureR('1+1', { withAutoprint: true, captureConditions: false });
mutable out = output.map((line) => line.data).join('\n');
return ret.values;
}
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