Blog Archives

Data Mining the California Solar Statistics with R: Part V

June 8, 2015
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Building a Shiny App to explore the model and the data About the Shiny App In my previous post I built several models to try to predict the amount of residential solar installed per county by quarter as a function of solar insolation, price of solar electricity, county population and county median income. To explore

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Data Mining the California Solar Statistics with R: Part IV

May 18, 2015
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Data Mining the California Solar Statistics with R: Part IV

Predicting the residential solar power installations by county by quarter in CA from 2009-2013 So far I have gathered three data sets and combined them into one which I will now use to try to predict the number of solar installations by county by quarter in CA from 2009-2013. The three data sets I am

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Data Mining the California Solar Statistics with R: Part III

May 11, 2015
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Data Mining the California Solar Statistics with R: Part III

Data Mining the California Solar Statistics with R: Part III Today I want to combine the California solar statistics with information about the annual solar insolation in each county as well as information about the population and median income. These can then be used as predictors in the models I'll build in the next post.

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Data Mining the California Solar Statistics with R: Part II

May 4, 2015
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Data Mining the California Solar Statistics with R: Part II

Data Mining the California Solar Statistics with R: Part II In today's post I'll be working some more with the working data set from California Solar Statistics. Last time I imported the data, cleaned it up a bit, grouped it by county and year, and made some plots to look at how residential solar installations

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Data Mining the California Solar Statistics with R: Part I

April 24, 2015
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Data Mining the California Solar Statistics with R: Part I

Data Mining the California Solar Statistics with R: Part I Intro Today I’m taking a look at the data set available from California Solar Statistics availalbe from https://www.californiasolarstatistics.ca.gov/. This data set lists all the applications for state incentives for both residential and commercial systems, it contains information about the PV (Photovoltaic) system size, location, cost,

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Automatic drug utilization reports with R and ggplot2

September 18, 2012
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Automatic drug utilization reports with R and ggplot2

This program takes a data set of drug utilisation of 4 fictional drugs in 10 fictional hospitals and plots each time-series with a locally weighted regression (Lowess) trend line. It also places an time-series trend of the usage for each … Continue reading →

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R script to manipulate health data

June 3, 2012
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Here is the code that fixed up the World Bank data export for use in Tableau. The databank spits out everything in an untidy format for grouping and aggregating. The reshape2 and plyr packages  make it easy to manipulate the whole set … Continue reading →

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