link_time_performance: Link time performance
In douglascm/trafficr: Traffic Assignment Methods
Description
Usage
Arguments
Value
View source: R/link_time_performance.R
Description
Performance function, which indicates the relationship
between flows (traffic volume) and travel time on
the same link. According to the suggestion from Federal
Highway Administration (FHWA) of America, we could use
the following function:
t = t0 * (1 + alpha * (flow / capacity))^beta
Usage
1
link_time_performance(flow, t0, capacity, alpha = 0.15, beta = 4)
Arguments
flow
Vector with current traffic flow
t0
Link free-flow times
capacity
Link capacity
alpha
alpha BPR function parameter
beta
beta BPR function parameter
Value
Vector with link times adjusted by link flow
douglascm/trafficr documentation built on March 13, 2020, 11:44 a.m.
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Description Usage Arguments Value
View source: R/link_time_performance.R
Description
Performance function, which indicates the relationship between flows (traffic volume) and travel time on the same link. According to the suggestion from Federal Highway Administration (FHWA) of America, we could use the following function: t = t0 * (1 + alpha * (flow / capacity))^beta
Usage
1 | link_time_performance(flow, t0, capacity, alpha = 0.15, beta = 4)
|
Arguments
flow |
Vector with current traffic flow |
t0 |
Link free-flow times |
capacity |
Link capacity |
alpha |
alpha BPR function parameter |
beta |
beta BPR function parameter |
Value
Vector with link times adjusted by link flow
R Package Documentation
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We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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