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Welcome to Testifye's Istan Profit Model
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I began this project by asking myself "how much profit am I actually making in Istan?" The challenge of solving that surprisingly complex question motivated me to build a working model for myself, and when it was clear it was still the fastest gold farming method in the game, I wanted to make my results available for everyone to use.
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A lot of work went into this to make it as comprehensive and as simple to use as possible. I hope this helps you in any small way to more efficiently spend your time and resources farming Istan. I welcome any and all constructive feedback, so let me know if you find bugs or issues, or have suggestions or requests for the future. If you are willing to share any data sample you have to improve the drop rate research I've done for this model, please consider submitting that information via the appropriate Google Forms on the website. Thanks!
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Table of Contents
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#Worksheet NameDescriptionLink
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1Table of ContentsIncludes navigational quick-links to other sheets, document version history, and special thanks to others for their research and help.Sheet Link
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2USER DASHBOARDThe main user interface for this model - answer 5 questions on your farming methods here, then review the model's output, calculations, and trended visualizations.Sheet Link
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3UPDATE API TABLESThe second most important sheet for the user - follow instructions here to manually update API calls if they're not updating automatically roughly once per hour.Sheet Link
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4Primary CalculationsBack-end calculations to formulate your gold per hour profit at current TP prices, considering your answers to questions on the User Dashboard.Sheet Link
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5Trended_CalculationsBack-end trended calculations that formulates a historical trend of profitability for Istan using the same parameters you input on the User Dashboard.Sheet Link
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6Data ValidationBack-end inputs for drop-down menus on the User Dashboard and elsewhere.Sheet Link
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7API: Item Price TrendAPI data sheet calls the gw2spidy API for historical item price data.Sheet Link
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8API: Live Item PricesAPI data sheet calls the official GW2 API for live item price data.Sheet Link
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9API: Item IDsBack-end lookup tables for item names and IDs.Sheet Link
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10Salvage RatesSalvage result data from Testifye's research, salvaging all non-exotic drops from 42,000 pieces of unidentified gear.Sheet Link
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11GW2 Profits SalvageSalvage result data taken from gw2profits.com, thanks to the work of Mystic.5934.Sheet Link
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12Palawadan Event Drop RateTestifye's drop-rate research on rewards obtained from bouncy-boxes after completing events during Palawadan or Great Hall.Sheet Link
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13Unidentified Gear Drop RateTestifye's drop-rate research on all pieces of unidentified gear. Add new sample to this page in the existing format for it to be included in the model.Sheet Link
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14Blue Unid. DataCalculates drop rate of Blue Unidentified Gear, including linear regression model.Sheet Link
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15Green Unid. DataCalculates drop rate of Green Unidentified Gear, including linear regression model.Sheet Link
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16Yellow Unid. DataCalculates drop rate of Yellow Unidentified Gear, including linear regression model.Sheet Link
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17Exotic Sales AveragesCalculates average sale price of exotic items Testifye's research (n = 354). This data is static, meaning it does not pull from live TP prices, and will need to be updated manually in the future.Sheet Link
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18Leather Shipment Drop RateDrop rate research from the Leather Shipment Drop Rate wiki page, includes Testifye's data too. Add new sample to this page in the existing format for it to be included in the model.Sheet Link
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19Leather Shipment Unit ResearchBack-end research to determine drop-rate rules for Leather Shipments.Sheet Link
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20Trophy Shipment Drop RateDrop rate research from the Trophy Shipment Drop Rate wiki page, includes Testifye's data too. Add new sample to this page in the existing format for it to be included in the model.Sheet Link
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21Trophy Shipment Unit ResearchBack-end research to determine drop-rate rules for Trophy Shipments.Sheet Link
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22Supply Stash Drop RateTestifye's drop-rate research on loot obtained from Supply Stashes. Add new sample to this page in the existing format for it to be included in the model.Sheet Link
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23Supply Stash Unit ResearchBack-end research to determine drop-rate rules for Supply Stashes.Sheet Link
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24Palawan Phylactery Drop RateTestifye's drop-rate research on loot obtained from Palawan Phylacteries. Add new sample to this page in the existing format for it to be included in the model.Sheet Link
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25Palawan Phylactery Unit ResearchBack-end research to determine drop-rate rules for Palawan Phylacteries.Sheet Link
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Version History
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VersionRelease DateDescription
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v0.1.001/06/2018Initial Alpha release for personal publication testing only. All core systems active, including:
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-- Drop rate calculations for Trophy and Leather Shipments, Palawan Phylacteries, Supply Stashes, map event rewards, and Unidentified Gear.
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-- Average price of exotic gear drops.
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-- Salvage rates for gear by rarity, including breakouts for CF-SoM and SF-SoM / Mystic Kits.
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-- API calls and data ingestion from gw2spidy.com and the official GW2 API.
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-- Core profit model calculations and trended profit model calculations, along with several other key metrics.
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-- Primary user interface dashboard with data visualization, as well as user-accessible API refresh capabilities.
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Special Thanks and Credits
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ContributionLinksDescription
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Leather Shipment Drop RatesWiki PageThanks to the following Wiki users, YouTubers, and Redditors for contributing their research to the community:
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Karobpeetftw.7286Kalix.1406Hal42YoruuKulginMaxOS1104
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Trophy Shipment Drop RatesWiki PageThanks to the following Wiki users, YouTubers, and Redditors for contributing their research to the community:
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MonoreignKasparMk5AikalaTrutichupKhisanth
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Salvage Rate Researchgw2profits.comThanks to Mystic.5934 (Toothless Biter) (/u/colbymg) for compiling and publishing a great set of salvaging data for the community!