31:[] 2f:{"title":"Time Value of E-Bikes","cells":[{"id":0,"value":"md`# Time Value of E-Bikes\n\nUp-front costs are fairly easy to determine, but the cost of our time is often under-valued. How do we value the time savings of using an E-Bike compared to other modes?\n\nThis model assumes the following speeds:\n\n| Mode | Speed (Average) |\n| :------------- | :----------: | -----------: |\n| Walking | 2 mph |\n| Transit | 13.8 mph |\n| Biking | 10 mph |\n| E-Bike | 16 mph |\n\nMany of these speeds assume a relatively fit, able-bodied individual.\n\nReferences:\n* Bus Speeds: http://cityobservatory.org/urban-buses-are-slowing-down/\n* Median Income: https://www.deptofnumbers.com/income/oregon/portland/\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":19,"value":"viewof hourly_wage = slider({\n title: \"Hourly Wage ($/hr)\",\n min: 8,\n max: 100,\n step: 1,\n value: Math.round(default_hourly_wage)\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":93,"value":"viewof lowincome = radio({\n title: \"Low-Income?\",\n options: [\"Yes\", \"No\"],\n value: hourly_wage <= 10 ? \"Yes\" : \"No\"\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":47,"value":"viewof trip_distance = slider({\n title: \"Average Trip Distance (miles)\",\n min: 0.5,\n max: 20,\n step: 0.25,\n value: 6\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":267,"value":"md`### Trip Times\n\nWalking: ${TimeFormat(trip_times.walking)}
\nTransit: ${TimeFormat(trip_times.transit)}
\nBike: ${TimeFormat(trip_times.bike)}
\nE-Bike: ${TimeFormat(trip_times.ebike)}\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":107,"value":"md`### Time Saved\nE-Bike vs. Walking: ${TimeFormat(trip_times.walking - trip_times.ebike)}
\nE-Bike vs. Transit: ${TimeFormat(trip_times.transit - trip_times.ebike)}
\nE-Bike vs. Bike: ${TimeFormat(trip_times.bike - trip_times.ebike)}\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":133,"value":"md`### Time-Value Saved\n\nE-Bike vs. Walking: ${USDFormat(trip_cost.walking - trip_cost.ebike)}
\nE-Bike vs. Transit: ${USDFormat(trip_cost.transit - trip_cost.ebike)}
\nE-Bike vs. Bike: ${USDFormat(trip_cost.bike - trip_cost.ebike)}`","pinned":false,"hidden":false,"mode":"ojs"},{"id":174,"value":"md`### Time-Value Saved - EBike Trip Cost\nE-Bike Trip Costs: ${USDFormat(trip_price)}\n\nE-Bike vs. Walking: ${USDFormat(timevalue_saved.walking - trip_price)}
\nE-Bike vs. Transit: ${USDFormat(timevalue_saved.transit - trip_price)}
\nE-Bike vs. Bike: ${USDFormat(timevalue_saved.bike - trip_price)}\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":168,"value":"md`## Appendix`","pinned":false,"hidden":false,"mode":"ojs"},{"id":39,"value":"speeds = ({\n bike: 8,\n ebike: 16,\n walking: 2,\n transit: 13.8\n})","pinned":false,"hidden":false,"mode":"ojs"},{"id":320,"value":"md`#### Time-Value Calculations`","pinned":false,"hidden":false,"mode":"ojs"},{"id":27,"value":"trip_times = {\n const trip_times = Object.keys(speeds).map(mode => [\n mode,\n trip_distance / speeds[mode]\n ]);\n return Object.fromEntries(trip_times);\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":75,"value":"trip_cost = {\n const costs = Object.keys(trip_times).map(mode => [\n mode,\n trip_times[mode] * hourly_wage\n ]);\n return Object.fromEntries(costs);\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":244,"value":"timevalue_saved = {\n const ebike_cost = trip_cost.ebike;\n const costs = Object.keys(trip_cost).map(mode => [\n mode,\n trip_cost[mode] - ebike_cost\n ]);\n return Object.fromEntries(costs);\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":317,"value":"md`#### E-Bike Costs`","pinned":false,"hidden":false,"mode":"ojs"},{"id":209,"value":"prices = lowincome == \"Yes\" ? ebike_costs.lowincome : ebike_costs.membership","pinned":false,"hidden":false,"mode":"ojs"},{"id":231,"value":"trip_price = trip_times.ebike * 60 * prices.minute","pinned":false,"hidden":false,"mode":"ojs"},{"id":310,"value":"md`#### Income`","pinned":false,"hidden":false,"mode":"ojs"},{"id":3,"value":"portland_median_income = 75599","pinned":false,"hidden":false,"mode":"ojs"},{"id":6,"value":"default_hourly_wage = portland_median_income / (50 * 40)","pinned":false,"hidden":false,"mode":"ojs"},{"id":165,"value":"md`### Imports`","pinned":false,"hidden":false,"mode":"ojs"},{"id":12,"value":"import { text, slider, radio, checkbox } from \"@jashkenas/inputs\"","pinned":false,"hidden":false,"mode":"ojs"},{"id":141,"value":"import { ebike_costs } from \"@rjsheperd/biketown-fare-prices\"","pinned":false,"hidden":false,"mode":"ojs"},{"id":80,"value":"USDFormat = {\n const usd = { style: 'currency', currency: 'USD' };\n const usdFormat = new Intl.NumberFormat('en-US', usd);\n\n return amount => usdFormat.format(amount);\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":115,"value":"function TimeFormat(time) {\n const hours = Math.floor(time);\n const minutes = Math.round((time % 1) * 60);\n if (hours > 0) {\n return `${hours} Hours, ${minutes} Minutes`;\n }\n return `${minutes} Minutes`;\n}","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W31","stdlib":"1","titling":"auto"}