pollen is a set of functions for working with aerobiological data. It takes care of some of the most widely use aerobiological calculations, such as determination of pollen season limits or replacement of outliers in pollen count data.
Get the released version from CRAN:
install.packages("nowosad/pollen")Or the development version from github:
devtools::install_github("nowosad/pollen")library('pollen')data('pollen_count')
head(pollen_count)
#> site date alder birch hazel
#> 1 Oz 2007-01-01 0 0 0
#> 2 Oz 2007-01-02 0 0 0
#> 3 Oz 2007-01-03 0 0 0
#> 4 Oz 2007-01-04 0 0 0
#> 5 Oz 2007-01-05 0 0 0
#> 6 Oz 2007-01-06 0 0 0df <- subset(pollen_count, site=='Oz')
pollen_season(df, value="birch", date="date", method="95")
#> year start end
#> 1 2007 2007-03-31 2007-05-03
#> 2 2008 2008-04-19 2008-05-07
#> 3 2009 2009-04-09 2009-05-09
#> 4 2010 2010-04-14 2010-05-07
#> 5 2011 2011-04-20 2011-05-17
#> 6 2012 2012-04-09 2012-05-14
#> 7 2013 2013-04-09 2013-05-09
#> 8 2014 2014-04-08 2014-05-10
#> 9 2015 2015-04-08 2015-04-30
#> 10 2016 2016-04-06 2016-05-09More examples could be found in the first package vignette.