I've set out to produce monthly forecasts of monthly car sales by brand in the US. So far I've made a SUTSE dynamic linear model (code on Github) and created a Shiny app (http://sweiss.shinyapps.io/carvis/) as a prototype (no predictions yet).
Basically, I want to combine my interest in cars with my interest in stats.
My current roadblock is the how slow the code runs, but I intend to have a speedy implementation using RStan by next month.
If anyone has tips or suggestions, please comment!
Predictions for September:
Acura & 13764.75 \\
Audi & 15929.24 \\
BMW & 26445.80 \\
Buick & 23725.69 \\
Cadillac & 16722.01 \\
Chevrolet & 204636.69 \\
Chrysler & 26336.27 \\
Dodge & 51082.20 \\
Fiat & 4408.64 \\
Ford & 228880.56 \\
GMC & 50361.17 \\
Honda & 143487.90 \\
Hyundai & 67112.10 \\
Infiniti & 10366.93 \\
Jaguar & 1162.72 \\
Jeep & 60577.05 \\
Kia & 53863.38 \\
Land.Rover & 4736.08 \\
Lexus & 30614.06 \\
Lincoln & 7766.23 \\
Mazda & 29544.19 \\
Mercedes.Benz & 28693.43 \\
Mini & 5455.48 \\
Mitsubishi & 6706.69 \\
Nissan & 125118.79 \\
Porsche & 3914.65 \\
Ram & 39194.54 \\
Smart & 1258.65 \\
Subaru & 46186.21 \\
Toyota & 213761.40 \\
Volkswagen & 31581.44 \\
Volvo & 4809.14 \\
Basically, I want to combine my interest in cars with my interest in stats.
My current roadblock is the how slow the code runs, but I intend to have a speedy implementation using RStan by next month.
If anyone has tips or suggestions, please comment!
Predictions for September:
Acura & 13764.75 \\
Audi & 15929.24 \\
BMW & 26445.80 \\
Buick & 23725.69 \\
Cadillac & 16722.01 \\
Chevrolet & 204636.69 \\
Chrysler & 26336.27 \\
Dodge & 51082.20 \\
Fiat & 4408.64 \\
Ford & 228880.56 \\
GMC & 50361.17 \\
Honda & 143487.90 \\
Hyundai & 67112.10 \\
Infiniti & 10366.93 \\
Jaguar & 1162.72 \\
Jeep & 60577.05 \\
Kia & 53863.38 \\
Land.Rover & 4736.08 \\
Lexus & 30614.06 \\
Lincoln & 7766.23 \\
Mazda & 29544.19 \\
Mercedes.Benz & 28693.43 \\
Mini & 5455.48 \\
Mitsubishi & 6706.69 \\
Nissan & 125118.79 \\
Porsche & 3914.65 \\
Ram & 39194.54 \\
Smart & 1258.65 \\
Subaru & 46186.21 \\
Toyota & 213761.40 \\
Volkswagen & 31581.44 \\
Volvo & 4809.14 \\
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