Create an STGrid from a data.frame

stgrid_from_data_frame(this_df = NULL, mapping = NULL, bin_size = 25)

Arguments

this_df: A data.frame
mapping: Please provide a named vector indicating which column map to "x", "y", and "feature" in the STGrid object.
bin_size: The size of the bin.

Value

An STGrid object.

Examples

d <- data.frame(foo=runif(1000, 0, 1000), bar=runif(1000, 0, 1000), bla=sample(letters, 1000, replace=TRUE))
st <- stgrid_from_data_frame(d, mapping=c("x"="foo", "y"="bar", "feature"="bla"))
#> 
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#> 
st