cl204 <- st_read("RasterT_cover_l4.shp") plot(st_geometry(cl204), graticule = TRUE, axes=TRUE) cl204 <- st_transform(cl204, crs = 4324) library(tidyverse) library(sf) cl204_4234 <- st_transform(cl204, 'EPSG:4234') cl204_4234 |> select(gridcode) |> plot(graticule = TRUE, axes = TRUE) cl204 |> select(id, gridcode, geometry) |> print(n = 3) print(cl204) install.packages("mapview") library(mapview) |> suppressPackageStartupMessages() mapviewOptions(fgb = FALSE) cl204_4234 |> mapview(zcol = "gridcode", legend = TRUE, col.regions = sf.colors)

Predicting Fuel Efficiency

Enhance understanding the procedure of likelihood-based chi-square hypothesis testing . Implement the procedures for detecting overfitting/underfitting issues in practical applications.