Publications by Ian Dobbs
GPS positions of cell towers in the UK
This map features data from the OpenCelliD Project open-access database/platform to which mobile devices send data related to their connection through a crowdsourcing application. It displays cell locations by mobile brand/operator. For illustrative purposes only, this map is limited to the area around Ewhurst, Surrey in the UK. Click on a num...
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Coursera DSS - Capstone Milestone Report
Executive Summary This report is an initial analysis of text data and natural language processing. The purpose is to demonstrate that the text files have been successfully loaded and to show some summary statistics that illustrate the dimensions and word frequencies. It will explain how this contributes to preparations for creating the predicti...
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Presentation & Plotly
2023-09-21 Example interactive scatter plot Example interactive risk heatmap...
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Practical Machine Learning - A prediction model for how well participants perform a unilateral dumbbell biceps curl weightlifting exercise
Executive Summary This purpose of this report is to predict how well 6 participants aged between 20-28 years perform a Unilateral Dumbbell Biceps curl. Using data from inertial measurement units (IMU) in the users glove, armband, lumbar belt and dumbbell participants were asked to perform one set of 10 repetitions using correct and incorrect we...
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Regression Models Final Project
Executive Summary This report for Motor Trend magazine will use the mtcars dataset to explore the relationship between 10 aspects of car design and performance (the predictor variables), and fuel consumption measured in miles per US gallon, MPG (the outcome variable). The dataset contains data for 32 cars. In particular, the report addresses th...
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Regression Models Final Project
Executive Summary This report for Motor Trend magazine will use the mtcars dataset to explore the relationship between 10 aspects of car design and performance (the predictor variables), and fuel consumption measured in miles per US gallon, MPG (the outcome variable). The dataset contains data for 32 cars. In particular, the report addresses th...
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The Effect of Vitamin C on Tooth Growth in Guinea Pigs
Synopsis The ToothGrowth dataset shows the effect of vitamin C on tooth growth in guinea pigs. The response is the length of odontoblasts (cells responsible for tooth growth) in 60 guinea pigs. Each animal received one of three dose levels of vitamin C (0.5, 1, and 2 mg/day) by one of two delivery methods, orange juice or ascorbic acid (a form ...
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A Comparison of the Exponential Distribution with the Central Limit Theorem
Synopsis In this report I aim to investigate the exponential distribution in R and compare it with the Central Limit Theorem. The report will illustrate the difference between the distribution of a large collection of random exponentials and the distribution of a large collection of averages 40 exponentials. It will illustrate the insight that ...
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The health and economic impact of severe weather events in the United States between 1996 and 2011
## [1] "Figure 1: A table of the top 10 weather events most harmful with respect to population health. Measured by the total combined number of fatalities and injuries" ## [1] "Figure 2: A table of the top 10 weather events with the greatest economic consequences. Measured by the total combined property and crop damage costs (in $B)" Synopsis In...
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