filter.P: Selection of visual meteor data by percentage of...

In MetFns: Analysis of Visual Meteor Data

Description

Selects data for a given visual meteor dataset and specified percentage or interval of percentages of field-of-view obstruction.

Usage

filter.P(data,P.low = 0,P.up = 90)

Arguments

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.

Value

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.

Note

Argument data has to consist of the column named "P".

Author(s)

Kristina Veljkovic

References

Rendtel J. and Arlt R., editors (2014). Handbook For Meteor Observers. IMO, Potsdam.

See Also

filter,filter.totcor

Examples

## 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)

MetFns documentation built on May 1, 2019, 6:28 p.m.