Predict ‘kicks’ or bad purchases using Carvana – Cleaned and Sampled.jmp file. Create a validation data set with 50% of the data. Use Decision Tree‚ Regression and Neural Network approached for building predictive models. Perform a comparative analysis of the three competing models on validation data set. Write down your final conclusions on which model performs the best‚ what is the best cut-off to use‚ and what is the ‘value-added’ from conducting predictive modeling? Upload the saved file with
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Summary/Review Super Crunchers describes the importance of using numbers and statistics to replace or complement traditional methods of intuition in describing and predicting information. Through the use of mostly regression and hypothesis testing‚ Ian shows how finding trends using this information and the prevalence of big data (especially through the explosion of information from the internet) are shaping the way companies are evaluating data and making choices from this data. Ian shows how
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The Signal and the Noise Introduction Summary "The Signal and the Noise" is a non-fiction book written by Nate Silver that talks about predictions based on probability; particularly focusing on the outcomes of real-world predictions and why they did or did not fail. Published in 2012‚ this book is a commentary on the world of probability made by an ex-statistician. Silver begins this work by effectively emphasizing the relevance of his points by supporting his argument with data applicable
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Production and Operations Analysis‚ Fourth Edition Solutions To Problems From Chapter 2 2.12 a) and b) Forecast (86 + 75)/2 (75 + 72)/2 etc = = 80.5 73.5 77.5 107.5 98.5 87.5 100.0 78.5 79.5 95.0 = = Period 3 4 5 6 7 8 9 10 11 12 21.6 717.5 Actual 72 83 132 65 110 90 67 92 98 73 et +8.5 -9.5 -54.5 42.5 -11.5 -2.5 +33.0 -13.5 -18.5 +22.0 c) MAD MSE = = (216)/10 (7175)/10 MAPE = 100 1 n ∑D i ei = 25.61 2.13 Fcst 1 Fcst 2 223 289 430 134 190 550 210 320 390 112 150 490 Demand
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Case Study Invencibility Systems 1- Besides the factors identified‚ what other factors should invincibility systems take into account in its HR planning? At the moment Invencibility Systems has performed a very unique work on internal research‚ which has given a chance to its decision making managers to discover very individual aspects of the company. The firm’s research has looked at factors such as health phase out plan‚ marital status‚ age of employee‚ years at the company and job category
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1. Mr. Vittorini and the other survivors of the earthquake do not feel that the fact that the scientists can not predict earthquakes is the reason science betrayed them. Vittorini says he feels betrayed because the scientists knew that they live in a earthquake area and did not inform the people of the town that the buildings are not structurally secure as well as the fact the the authorities told them it was fine to go back into their homes. A great section of the article includes Picuti and Vittorini’s
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Brazil: Lemons and limes - Market Report. Analysis and Forecast to 2020 Jan 12‚ 2015 – Navi Mumbai‚ India: Marketreportsonbrazil.com presents a report on “Brazil: Lemons and limes - Market Report. Analysis and Forecast to 2020.” The report provides an in-depth analysis of the Lemons and limes Market in Brazil. Synopsis The report provides an in-depth analysis of the Lemons and limes Market in Brazil. It presents the latest data of the market value‚ consumption‚ domestic production‚ exports and imports
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Fuel is a commodity that the United States and countries all across the globe will continue to use unless an alternate fuel is made available. The uses for fuel include everyday uses in our homes‚ running vehicles‚ and the use in manufacturing plants and other businesses that run on fuel. BMI oil and gas forecasts have been extended to cover a 10-year period‚ providing a guide to likely supply and demand trends from 2008 to 2018 (Oil & Gas Outlook: Long-Term Forcasts‚ 2009). Gas demands have
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This industry report package offers the most up-to-date market data on the actual market situation‚ trends‚ and future outlook for wheelchairs in the top 5 European countries. The package includes wheelchair country reports from the following countries: Denmark‚ Germany‚ Netherlands‚ Sweden‚ United Kingdom The reports include historic market data from 2007 to 2013 and forecasts until 2018 which makes the reports an invaluable resource for industry executives‚ marketing‚ sales and product managers
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This morning is a typical Tuesday morning as I make my daily commute to work. The blue sky is bright with sun‚ but it is a brisk New England winter morning. As I drive down the highway drinking my coffee‚ I scan through the radio stations looking for my favorite songs desperately trying to get motivated for the day ahead. Instead of finding my favorite tunes‚ I find weather bulletins galore warning of an impending storm due to hit land by Friday. From station to station the forecast varies from modest
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