Exam 2 Study Guide
Exam 2 Study Guide GUS 0821
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This 0 page Study Guide was uploaded by Lauryn Smith on Wednesday November 4, 2015. The Study Guide belongs to GUS 0821 at Temple University taught by Dr. Ryan Burns in Fall 2015. Since its upload, it has received 33 views. For similar materials see Digital Mapping in Geography at Temple University.
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Date Created: 11/04/15
Review Questions 1 What is the US Census What purpose does it serve How are census geographies organized Census purposes 0 Congressional seats Distribute gov39t funding 0 Community services 0 Geographical data Census geographiesspecial units RegiondivisionDstateljcountytrackblock grouprlocks What are qualitative data In what ways do they differ from quantitative data What are some uses of qualitative data About collecting ordering amp representing knowledge about the world Examples 0 Fear Evocann Deliberation Curiosity WHY Authoritative Politically powerful Gain insight into social processes 0 Geographical info is embedded w values and norms Methods Interpretive Discourses Contextual Antiabstraction Qualitative data preserves the context complexity amp richness of human expedence What are the 3 classes of thematic maps name a few examples of each For what purposes can each type be used for Point Dot Density shows distribution of data with uniform dots point data such as population livestock radio stations Proportional Symbol shows distribution of data by variably sized symbols any pointlike graphic that is scalable LineD Flow line connections ows movements values shown by varying the width of line or arrow exports migrations river discharges lsoline join points of equal value topographical Areal lsopleth ll areas w colors related to collected data based on special units choropleth 0 Area Class Maps zones of constant attributes nominal data Cartograms map in which the variable value determines land area What are the steps required for creating a choropleth Why is classi cation dif cult What is 39normalization39 and why does it matter De ne special units country state city county track Collect and analyze quantitative data data normalization Divide data into categories classi cation 0 Natural breaks maximize the difference between classes clusters of like data 0 Equal interval range of intervals is constant while number of observations varies 10 men in each interval how many states doesn39t matter Quantile intervals vary but number of observations stay constant 5 states in each class range of male pop changes Choose a color scheme Sequential low to high value of the same color Diverging starts with one color as extreme moves to low value when you get to meanmedian value then moves to different color as you move to polar extreme What is correlation What are 2 ways correlation can be characterized What is 39global data What is 39big data Positive Nega ve If the line of best t is not where most of the data clusters then you have a high standard deviation Global Data Gini coef cient measure of wealth or income inequality 0 Un Human Development Index 0 UN Gender Inequality Index Big Data Volumedata size Velocityspeed of change Varietydifferent forms of data sources Veracityuncertainty of data quotthe scienti c method is deadquot Chris Anderson Dana Boyd target knew she was prego b4 her dad did Automating research changes the de nition of knowledge Claims to objectivity amp accuracy are misleading Bigger data are not always better Not all data are equivalent Just bc it is accessible does not mean it is ethical Limited access to Big Data creates new digital divides What is remote sensing What are some of its applications and why is it helpful What is Google Earth What are some of its limitations and problematic issues w remote sensing and google earth Remote Sensing the use if satellite and airborne sensors to capture special daya Active Sends out a signal to receive data 0 Sonar 0 LiDaR 0 Radar Passive just receives data gt Aerial photographs Landset canopy coverage What does it show 0 Radiation o Visible light o Information detectible from a distance What doesn39t it show 0 Qualitative Data Google Earth gives a general perspective Why is it partial 0 Doesn39t answer 39why39 questions 9 Can39t understand structural social and political forces o Provides only one perspective of earth
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