postgis-workshop/about_data — English @ OSGeo Weblate: nyc_census

	English	Actions
	About our data
	The data for this workshop is four shapefiles for New York City, and one attribute table of sociodemographic variables. We've loaded our shapefiles as PostGIS tables and will add sociodemographic data later in the workshop.
	The following describes the number of records and table attributes for each of our datasets. These attribute values and relationships are fundamental to our future analysis.
	To explore the nature of your tables in pgAdmin, right-click a highlighted table and select Properties. You will find a summary of table properties, including a list of table attributes within the Columns tab.
	nyc_census_blocks
	A census block is the smallest geography for which census data is reported. All higher level census geographies (block groups, tracts, metro areas, counties, etc) can be built from unions of census blocks. We have attached some demographic data to our collection of blocks.
	Number of records: 36592
	blkid
	A 15-digit code that uniquely identifies every census block. Eg: 360050001009000
	popn_total
	Total number of people in the census block
	popn_white
	Number of people self-identifying as "White" in the block
	popn_black
	Number of people self-identifying as "Black" in the block
	popn_nativ
	Number of people self-identifying as "Native American" in the block
	popn_asian
	Number of people self-identifying as "Asian" in the block
	popn_other

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