Speed returns a tranformed object with class "Speed" and units km/h. This functions includes two arguments, distance and time. Therefore, it is posibel to change the units of the speed to "m" to "s" for example. This function returns a dataframe with units for speed. When this function is applied to numeric vectors it add class "units".

Speed(x, ...)

# S3 method for Speed
print(x, ...)

# S3 method for Speed
summary(object, ...)

# S3 method for Speed
plot(x, ...)

Arguments

x

Object with class "data.frame", "matrix" or "numeric"

...

ignored

object

Object with class "Speed"

Value

Constructor for class "Speed" or "units"

See also

Examples

{ data(net) data(pc_profile) speed <- Speed(net$ps) class(speed) plot(speed, type = "l") pc_week <- temp_fact(net$ldv+net$hdv, pc_profile) df <- netspeed(pc_week, net$ps, net$ffs, net$capacity, net$lkm) summary(df) }
#> Check units are km/h
#> Speeds by columns and street in study area = #> Min. 1st Qu. Median Mean 3rd Qu. Max. #> 3.929 39.667 40.000 49.142 59.985 100.000