## S3 method for class 'section':
subset(x, subset, \dots)
Arguments
x
a section object.
subset
a condition to be applied to the data portion of
x. See Details.
...
may include debug, to set a debugging level.
Value
A new section object.
Details
This function is somewhat analogous to
subset.data.frame. The condition set by subset may be
in terms of stationId or any combination of longitude,
latitude and time. However, stationId may not be
combined with the others; to get that effect, call this function more than
once.