Publications by Ying Huang
Using IPUMS Micro Data
Downloaded Dataset from IPMUS Database #Import the dataset downloaded from IPMUS database ddi <- read_ipums_ddi("usa_00003.xml") data <- read_ipums_micro(ddi) %>% clean_names() %>% filter(statefip==6, !migrate1%in%c(0,9)) %>% mutate(migrate=ifelse(migrate1%in%c(2:4),0,migrate1)) #Generate survey design object des<-svydesign(ids = ~clu...
5310 sym R (1233 sym/1 pcs) 1 img
Point Analysis
Downloaded Dataset from A-Z Database Map Showing the Mean Center of the Points ## tmap mode set to interactive viewing Map showing Convex Hull Plot ## tmap mode set to interactive viewing Map Showing Per Capita Number of Bars Per 1,000 Population Nearest Neighbor Analysis ## JSON input ---- ## { ## "inputs": { ## "INPUT": "/var/folders/...
4948 sym R (848 sym/4 pcs) 1 img
Mapping Changes
Percent Vacant housing units for 2011, Cenus Tracts, Harris County, TX Vach11<-get_acs(geography = "tract", state="TX", county = "201", year = 2011, variables="DP04_0003P" , geometry = T, output = "wide", progress_bar=F ) %>% ...
11867 sym R (1888 sym/3 pcs) 4 img
Projection & Measuring Distance
Measuring distance with unprojected spatial data unprojected_dis <- sa_acs %>% filter(GEOID %in% c(48029110100, 48029181820)) %>% st_centroid() st_distance(unprojected_dis) ## Units: [m] ## [,1] [,2] ## [1,] 0 20787 ## [2,] 20787 0 Measuring distance with projected spatial data projected_dis <- sa_acs %>% filter(...
1058 sym R (486 sym/4 pcs)
Geocoding
Downloaded Dataset from A-Z Database Total No of downloaded Grocery Addresses from the A-Z Database ## [1] 58 Total No of downloaded WIC Addresses from the A-Z Database ## [1] 102 An Interactive Map Using the Downloaded Grocery Data Lat and Long An Interactive Map Using the Downloaded WIC Data Lat and Long Geocoded Grocery Addresses from A-Z...
9577 sym R (59 sym/6 pcs)