Calculate instantaenous speed.

Source: R/func_get_speed.r

Calculate instantaenous speed.

wat_get_speed(data, x = "x", y = "y", time = "time")

Arguments

data

A dataframe or similar which must have the columns specified by x, y, and time.
x

The x coordinate.
y

The y coordinate.
time

The timestamp in seconds since the UNIX epoch.

Value

A vector of numerics representing speed. The first position is assigned a speed of NA.