decay_power | R Documentation |
Returns an inverse power weighting function to be used inside accessibility calculating functions.
This function is generic over any kind of numeric travel cost, such as distance, time and money.
decay_power(decay_value)
decay_value |
A |
A function
that takes a generic travel cost vector (numeric
) as
an input and returns a list
of weight vectors (a list of numeric
vectors, named after the arguments passed to the decay function).
Other decay functions:
decay_binary()
,
decay_exponential()
,
decay_linear()
,
decay_logistic()
,
decay_stepped()
weighting_function <- decay_power(decay_value = 0.1)
weighting_function(c(20, 35))
weighting_function <- decay_power(decay_value = c(0.1, 0.2))
weighting_function(c(20, 35))
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