sollong_date.table: Vectorized calculation of date corresponding to given value...

In MetFns: Analysis of Visual Meteor Data

Description

Calculates table of dates corresponding to the given values of solar longitude and year.

Usage

sol_date.table(solval,year)

Arguments

solval	numeric vector specifying solar longitude(s).
year	numeric vector specifying year(s).

Details

The function sol_date.table represents vectorized version of function sollong_date. It calculates table of dates corresponding to multiple values of either solar longitude or year.

Value

sol_date.table returns dataframe. Each column is object of POSIXct class, calendar dates in "%Y-%m-%d %H:%M:%S" format (UTC timezone). Column names are solar longitudes and row names are years.

Author(s)

Kristina Veljkovic

See Also

sollong_date

Examples

## calculate dates corresponding to the solar longitudes 347-350, year 2016 
sol_date.table(347:350,year=2016)

## calculate dates corresonding to the solar longitude 347, years 2015-2017
sol_date.table(347,year=2015:2017)

Example output

Loading required package: astroFns
Loading required package: lubridate

Attaching package: ‘lubridate’

The following objects are masked from ‘package:base’:

    date, intersect, setdiff, union

Loading required package: plotrix
Loading required package: pracma

Attaching package: ‘MetFns’

The following object is masked from ‘package:stats’:

    filter

                     347                 348                 349
2016 2016-03-07 08:55:34 2016-03-08 08:54:39 2016-03-09 08:54:29
                     350
2016 2016-03-10 08:55:05
                     347
2015 2015-03-08 02:52:02
2016 2016-03-07 08:55:34
2017 2017-03-07 15:03:54

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