## 
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
## 
##     filter, lag
## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union
## Warning: package 'geosphere' was built under R version 4.4.1
## Warning: package 'sf' was built under R version 4.4.1
## Linking to GEOS 3.11.0, GDAL 3.5.3, PROJ 9.1.0; sf_use_s2() is TRUE

Data Summary

POI

Column Name Meaning
placekey Unique identifier for each establishment (SafeGraph’s universal key).
locatoion_name (Typo: should be location_name) – Name of the establishment.
naics_code North American Industry Classification System code (industry type).
latitude Geographic latitude of the establishment.
longitude Geographic longitude of the establishment.
street_address Street address of the establishment.
city City where the establishment is located.
state State abbreviation – here, always "CA" for California.
postal_code ZIP code of the establishment.

CBG

Column Name Meaning
safegraph_place_id Unique identifier for each place (SafeGraph’s internal place ID).
state State abbreviation – here, always "CA" for California.
stateFIPS Federal Information Processing Standard (FIPS) code for the state.
countyFIPS FIPS code identifying the county.
countyName Full name of the county.
CBGFIPS Census Block Group FIPS code – smallest census geography for linking.

Fire

Column Name Description
placekey Unique SafeGraph identifier for the establishment.
latitude, longitude Geographic coordinates of the establishment.
_ID, fire_id Internal wildfire identifiers. May refer to the unique fire incident.
YEAR_ Year the fire occurred.
STATE State abbreviation (always CA).
AGENCY Agency responsible for managing the fire (e.g., USF = U.S. Forest Service).
UNIT_ID Subdivision of the agency.
FIRE_NAME Name of the fire (e.g., “DELTA”, “NORTH COMPLEX”).
INC_NUM Incident number.
ALARM_DATE Original format of the fire start date.
CONT_DATE Original format of the fire containment date.
CAUSE / cause Cause of the fire (e.g., “Lightning”, “Miscellaneous”).
COMMENTS Additional notes about the fire.
REPORT_AC Acres reported burned.
GIS_ACRES Acres burned based on GIS calculation.
C_METHOD How the containment or acreage was measured.
OBJECTIVE Whether the fire was managed for resource benefit (1) or suppression.
FIRE_NUM Possibly another internal fire ID or fire sequence number.
Shape_Leng Length of the fire perimeter polygon (in meters or similar).
Shape_Area Area of the fire polygon (in square meters or similar).
FID Feature ID in the GIS shapefile.
alarm_date, cont_date Converted versions of ALARM_DATE and CONT_DATE (in date format).
fire_dur Duration of the fire in days.
safegraph_place_id SafeGraph ID that links to other files, e.g. the crosswalk you shared.

POI Filter

Visualization

Pairwise Distance Df