Created
April 26, 2024 19:53
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library(arcgislayers) | |
layer <- arc_open( | |
"https://geodata.md.gov/imap/rest/services/PlanningCadastre/MD_ComputerAssistedMassAppraisal/MapServer/1" | |
) | |
bldg_layer <- arc_open( | |
"https://geodata.md.gov/imap/rest/services/PlanningCadastre/MD_ComputerAssistedMassAppraisal/MapServer/0" | |
) | |
bldg_data <- bldg_layer |> | |
arc_select( | |
where = paste0( | |
c( | |
"(BL_ENCSQFT > 20000)", | |
"(JURSCODE = 'BACI')" | |
), | |
collapse = " AND " | |
) | |
) | |
init_query <- paste0( | |
c( | |
"((PR_ENCSQFT > 25000) OR (PR_ENCOVRD > 25000))", | |
paste0( | |
"(", | |
paste0( | |
"(CM_DSCIUSE LIKE '", c("AUTO", "RESTAURANT", "STORE", "BANK"), "%')" , | |
collapse = " OR " | |
), | |
")" | |
), | |
"(JURSCODE = 'BACI')"), | |
collapse = " AND " | |
) | |
update_query <- paste0( | |
c( | |
"((PR_ENCSQFT >= 25000) OR (PR_ENCOVRD >= 25000))", | |
"(JURSCODE = 'BACI')"), | |
collapse = " AND " | |
) | |
data <- layer |> | |
arc_select( | |
where = update_query | |
) | |
data_joined <- data |> | |
sf::st_drop_geometry() |> | |
select( | |
!c(PTYPE, OBJECTID, CAMADATE, MDPVDATE, PTYPE, DIGXCORD, DIGYCORD) | |
) |> | |
left_join( | |
bldg_data | |
) | |
data |> | |
sf::st_drop_geometry() |> | |
filter( | |
!is.na(CM_DSCIUSE) | |
) |> | |
mutate( | |
PR_ENCOVRD = coalesce(PR_ENCOVRD, PR_ENCSQFT), | |
use_category = case_when( | |
str_detect(CM_DSCIUSE, "^CARE") ~ "CARE", | |
str_detect(CM_DSCIUSE, "^AUTO") ~ "AUTO", | |
str_detect(CM_DSCIUSE, "^STORE") ~ "STORE", | |
str_detect(CM_DSCIUSE, "^RESTAURANT") ~ "RESTAURANT", | |
str_detect(CM_DSCIUSE, "^COMMUNITY") ~ "COMMUNITY", | |
str_detect(CM_DSCIUSE, "^ELEC") ~ "ELEC", | |
str_detect(CM_DSCIUSE, "^HOUSING") ~ "HOUSING", | |
str_detect(CM_DSCIUSE, "^INDUSTRY") ~ "INDUSTRY", | |
str_detect(CM_DSCIUSE, "^OFFICE") ~ "OFFICE", | |
str_detect(CM_DSCIUSE, "^PUBLIC") ~ "PUBLIC", | |
str_detect(CM_DSCIUSE, "^REC") ~ "REC", | |
str_detect(CM_DSCIUSE, "^SAFETY") ~ "SAFETY", | |
str_detect(CM_DSCIUSE, "^WAREHOUSE") ~ "WAREHOUSE", | |
str_detect(CM_DSCIUSE, "^TRAVEL") ~ "TRAVEL", | |
str_detect(CM_DSCIUSE, "^TRANSPORT") ~ "TRANSPORT", | |
str_detect(CM_DSCIUSE, "^BANK") ~ "BANK", | |
str_detect(CM_DSCIUSE, "^BOAT") ~ "BOAT", | |
str_detect(CM_DSCIUSE, "^RAIL") ~ "RAIL", | |
str_detect(CM_DSCIUSE, "^BURIAL") ~ "BURIAL", | |
str_detect(CM_DSCIUSE, "^ALCOHOL") ~ "ALCOHOL", | |
str_detect(CM_DSCIUSE, "^CANNABIS") ~ "CANNABIS", | |
str_detect(CM_DSCIUSE, "^OTHER") ~ "OTHER", | |
.default = NA_character_ | |
), | |
use_subcategory = str_remove( | |
CM_DSCIUSE, | |
paste0("^", use_category) | |
), | |
use_category = str_to_title(use_category), | |
use_subcategory = str_to_title(use_subcategory) | |
) |> | |
arrange(CM_DSCIUSE) |> | |
summarise( | |
CM_BLDTOTL = sum(CM_BLDTOTL, na.rm = TRUE), | |
PR_ENCSQFT = sum(PR_ENCSQFT, na.rm = TRUE), | |
PR_ENCOVRD = sum(PR_ENCOVRD, na.rm = TRUE), | |
.by = c(use_category, use_subcategory) | |
) |> | |
group_by(use_category) |> | |
gt::gt( | |
rowname_col = "use_subcategory" | |
) |> | |
gt::cols_label( | |
use_subcategory ~ "Use category", | |
CM_BLDTOTL ~ "Total buildings", | |
PR_ENCSQFT ~ "Enclosed sq. ft.", | |
PR_ENCOVRD ~ "Enclosed sq. ft. (assessor)" | |
) |> | |
gt::summary_rows( | |
columns = starts_with("PR_"), | |
fns = list( | |
Total = ~ sum(., na.rm = TRUE) | |
), | |
fmt = ~ gt::fmt_number(., decimals = 0), | |
side = "top" | |
) |> | |
gt::grand_summary_rows( | |
columns = starts_with("PR_"), | |
fns = list( | |
"Overall total" = ~ sum(., na.rm = TRUE) | |
), | |
fmt = ~ gt::fmt_number(., decimals = 0), | |
side = "top" | |
) |> | |
gt::fmt_number( | |
columns = starts_with("PR_"), | |
decimals = 0 | |
) |> | |
gt::tab_source_note( | |
"Source: Maryland Computer Assisted Mass Appraisal (2022). Table created by Baltimore City Department of Planning, 2024 April 25." | |
) |> | |
gt::tab_header( | |
title = "Baltimore City property with 25K sq.ft. or more enclosed space" | |
) |> | |
gtExtras::gt_theme_pff( | |
# heading.title.font.size = 16 | |
) | |
data |> | |
sf::st_drop_geometry() |> | |
select( | |
`Total buildings (on parcel)` = CM_BLDTOTL, | |
`Total units (on parcel)` = CM_BLDUNTS, | |
`Enclosed sq. ft.` = PR_ENCSQFT, | |
`Enclosed sq. ft. (assessor)` = PR_ENCOVRD, | |
`Use description` = CM_DSCIUSE | |
) |> | |
gtsummary::tbl_summary() |
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