descent | R Documentation |
Specify an Descent Rate or Descent Time.
descent(speed=NULL, time=NULL)
speed |
Descent rate in metres per minute.
Incompatible with |
time |
Total descent time in minutes.
Incompatible with |
An object of class "rate"
represents a diver's
rate of ascent or descent, or the total time taken to
ascend or descend. Such objects are useful in describing
dives, especially in the function dive
.
The value returned by descent
represents a descent rate
or descent time. Exactly one of the arguments speed
and
time
should be given. If speed
is given, this specifies
a fixed rate of descent, in metres per minute. If time
is given,
this specifies a fixed total time of descent, in minutes.
An object of class "rate"
representing
the descent rate or descent time.
.
dive
,
descent
# Descend at 30 metres/minute descent(30) # Descend in exactly 3 minutes descent(time=3)
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