Description Usage Arguments Value Note Author(s) References See Also Examples
Selects data for a given visual meteor dataset and specified percentage or interval of percentages of field-of-view obstruction.
1 |
data |
data frame consisting of visual meteor data (rate or magnitude data). |
P.low |
numeric vector with value between 0 (default) and 90, specifying lower boundary of percentage of field-of-view obstruction. |
P.up |
numeric vector with value between 0 and 90 (default), specifying upper boundary of percentage of field-of-view obstruction. |
filter.P
returns data frame with the same number of columns as the argument data
,
containing observations with the percentage of field-of-view obstruction between P.low
and P.up
.
Argument data
has to consist of the column named "P".
Kristina Veljkovic
Rendtel J. and Arlt R., editors (2014). Handbook For Meteor Observers. IMO, Potsdam.
1 2 3 4 | ## select visual meteor rate data for the period between 10-25th October 2015 and
## percentage of field-of-view obstruction below 20%
rateOct<-filter.date(rate2015,date.start="2015-10-10",date.end="2015-10-25")
filter.P(rateOct,P.up=20)
|
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