36:["$","title",null,{"children":"Monte Carlo Introduction: Customer Service | Ron Smith | Observable"}] 3e:T13ab,{ console.clear(); svg.selectAll("*").remove(); // Initialize time and time step let t = 0; let dt = 0.005; svg.append("text") .attr("id", "curTime") .attr("x", X(0.45)) .attr("y", -marg/4) .attr("font-size", 20) .text("t = " + t.toFixed(1)); // Initialize customer and server queues let q = []; let nextArrival = 0; let customerID = 0; mutable nCustLost = 0; mutable nCustServ = 0; let s =[]; for (let n=0;n 0) { let openStation = getOpenStation(s); // Check if any service stations are open if (openStation > -1) { // Get the customer who has been waiting the longest and move to the service queue let cust = q.shift(); // Determine when their service will be done cust[3] = t+getServTime(); // Compute the position of the server window cust[0] = 0.05+(openStation*stationWidth); cust[1] = stationHeight/2; // Add customer to service array s[openStation] = cust; // Animate the transition svg.selectAll("[id=c" + cust[4] + "]") .transition() .duration(1000) .attr("cx", X(cust[0])) .attr("cy", Y(cust[1])) .attr("r", 15) .style("fill", "blue"); } } // Check for customers done getting service for (let n=0;n 0) { mutable nCustLost+=1; svg.selectAll("[id=c" + s[n][4] + "]") .transition() .duration(200) .attr("r", 100) .style("fill", "red") .style("opacity",0) .remove(); s[n] = [-1,-1,Infinity,Infinity,-1]; mutable lostRevenue+=(viewof revenuePerSale.value); } } yield(svg.node().parentNode) } }3f:[] 3a:{"id":"043964ffc54fd602","slug":"monte-carlo-introduction-customer-service/2","title":"Monte Carlo Introduction: Customer 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