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Blog Post 2

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 I used ArcGIS to create a map which compared HOLC neighborhood grades to the Hispanic population by block group reported in the 2010 census. This map could help researchers establish if there is a correlation between neighborhood grades and minority populations, specifically Hispanics. This map does well in establishing the density of the Hispanic population (density of red dots) while still clearly being able to see the HOLC neighborhood grades. As one can tell, I found that commonly areas with greater density of Hispanics typically also scored lower HOLC neighborhood grades. However, I did find that some areas with high levels of Hispanic population still scored high HOLC neighborhood grades so it is difficult to establish causality between the two. A limitation of this map is the specification of only Hispanics because a map including both the minority population (Hispanics) and white population could provide further evidence regarding the correlation between HOLC neighborhood ...
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Blog Post 10

- For my final project I decided to look at the data sets regarding the history of drug vs. alcohol overdose across states and how these datasets impacted substance use policies in their respective states.  - My biggest struggle is finding datasets regarding overdoses before the 2000's. The CDC only has from 1999-present.  - Due to this issue, I changed my project to analyze the prevalence of suicides of veterans during periods of war - I was able to find a database of suicide rates at the county level from 1968 on the CDC website which I will be using as the primary source for my data
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Blog Post 3

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First I added a layer to the US 1880 counties birthplace map to visualize the percentage of the population that was born in China. I then added another layer to visualize the percentage of the population that was born in Africa. This showed how people originating from different countries tended to stay in areas similar to others originating from their same country. Lastly, I added a layer that shows where the historical railroads were located throughout the country.  Upon researching the spatial patterns I identified in my map, I discovered that the reason for the high percentages of Chinese population along the west coast was primarily due to the discovery of gold in California. Following the opium wars, many Chinese individuals lost their lands and suffered through years of floods, droughts and economic depression. Thus, upon hearing about the discovery of gold in California, many Chinese began migrating to California to make their fortune. The high percentage of Africans in sout...
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