exercise accessibility in los angeles
DESCRIPTION
Exercise Accessibility in Los Angeles. MEASURES Median income/poverty by Census 2000 zip code 2008 murder rate, rape rate, aggravated assault rate by police district (as indicator of safety) Road and rail prevalence in two comparison areas - PowerPoint PPT PresentationTRANSCRIPT
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Exerc
ise A
cces
sibili
ty in
Los A
ngeles
UCLA 206A F
inal
Pro
ject
By Alex Pudlin December 7,
2010
MEASURES
•Median income/poverty by Census 2000 zip code•2008 murder rate, rape rate, aggravated assault rate by police district (as indicator of safety)•Road and rail prevalence in two comparison areas •Access to parks above .25 square miles in comparison areas•Gyms/fitness centers in comparison areas• Indoor/outdoor recreation centers/basketball courts in comparison areas
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Exerc
ise A
cces
sibili
ty in
Los A
ngeles
MAIN
QUESTIO
N
Are physical fitness options equally accessible for different communities in Los Angeles?
•Comparison Areas
• A group of high income communities (Malibu, Pacific Palisades, Brentwood, Agoura Hills)
• A group of low/moderate income communities (Compton, Watts)
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Skills demonstrated: Inset map, boundary subset selection (LA Area was derived by selecting cities within three miles of Los Angeles City)
Maps by Alex Pudlin
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Maps by Alex Pudlin
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SKILLS DEMONSTRATED: Attribute sub-sets (the following variables were derived from selecting attributes based on road type: interstates, freeways, major arterials), slide with 7+ layers
Maps by Alex Pudlin
Road and Rail Networks in Comparison AreasMalibu, Pacific Palisades,
Agoura Hills
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*
*With adequate 2000 Census data Skills demonstrated: buffer zones, chart, centroid calculation. Parks above .25 square miles was derived by selecting parks with an
area above .25 square miles from all parks within LA Area
Maps by Alex Pudlin
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SKILLS DEMONSTRATED: Aggregating Attribute Fields (Crime rate determined by ((2008 Part I CRIME/2008 District Population Estimate)*100,000))
Maps by Alex Pudlin
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SKILLS DEMONSTRATED: Spatial analyst raster calculator (Index = Reclassified Homicide Rate + Reclassified Rape Rate + Reclassified Aggravated Assault Rate)
Map by Alex Pudlin
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Gyms and Fitness Centers in Comparison Areas
SKILLS DEMONSTRATED: Geocoding, charts, aggregating attribute fields
(population density derived by dividing Census Tract population by Census Tract
area)
Compton, Watts
Malibu, Pacific Palisades, Agoura Hills
Maps by Alex Pudlin
Maps by Alex Pudlin
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Recreation Centers and Parks with Basketball Courts in Comparison Areas
Compton, Watts
Malibu, Pacific Palisades, Agoura Hills
Maps by Alex PudlinMaps by Alex
Pudlin
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SKILLS DEMONSTRATED: Hot Zone Analysis, Spatial Analyst Raster Calculator. Index = (([reclassrec]) - (1 / [reclassppl2])* 2.5)
Map by Alex Pudlin
Maps by Alex Pudlin
Maps by Alex PudlinMaps by Alex
Pudlin
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SKILLS DEMONSTRATED: Hot Zone Analysis, Spatial Analyst Raster Calculator. Index = ([reclassreccenter2]) - (1 / [reclassppl2]*2.5)
Map by Alex Pudlin
Maps by Alex Pudlin
Maps by Alex Pudlin
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Final Index Inputs
Parks raster based on Euclidian distance from park>.25 sq. mi. centroid to zip code centroids
Maps by Alex Pudlin
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Index = [recincfinal] + [carindex] + ([reclcrimfin] * 2.5) + ([parkindex] * 2) + ([GYM INDEX] * 3) + ([REC INDEX] * 2)
Map by Alex Pudlin
Map by Alex Pudlin
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Map by Alex Pudlin
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Exerc
ise A
cces
sibili
ty in
Los A
ngeles
CONCLUSIO
N
Are physical fitness options equally accessible for different communities in Los Angeles?
Based on index results, I conclude that exercise is indeed less accessible for residents of Compton/Watts than for residents of Malibu/Pacific Palisades/Agoura Hills
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Model for “Parks Over .25 Square Mile” Shapefile and Metadata for “Gyms in Comparison Areas” Shapefile