3 Load data and packages

This section is to load the packages and extract the data.

3.1 Install packages

Here you will need the following packages:

ggplot
sf
data.table
cowplot
rnaturalearth
dplyr
ggspatial
gganimate
png
leaflet
rnaturalearthdata with devtools::install_github("ropensci/rnaturalearthdata")

To install packages: use install.packages("name of package")

3.2 Load the data

birdsurvey <- fread("Birdsurvey.csv")

Check if we have the right period from 2011 to 2021

min(birdsurvey$year)

## [1] 2005

max(birdsurvey$year)

## [1] 2021

Check the number of species and the type of species

uniqueN(birdsurvey$species)

## [1] 10

unique(birdsurvey$species)

##  [1] "Fratercula arctica"      "Bubo scandiacus"         "Clangula hyemalis"       "Rissa tridactyla"       
##  [5] "Euphagus carolinus"      "Hesperiphona vespertina" "Oceanodroma leucorhoa"   "Podiceps auritus"       
##  [9] "Chaetura pelagica"       "Emberiza aureola"