hello i have registered for API key but donot know how to send request for distance matrix in google maps
locations = c("lahore", "rawalpindi", "karachi")
doc = mp_matrix(
origins = locations,
destinations = locations
)
doc = as_xml_document(response_matrix)
m = mp_get_matrix(doc, value = "distance_m")
colnames(m) = locations
rownames(m) = locations
m
it is giving every time same distance for different locations