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Youtheria is an online data set containing data on the life history, ecology, taxonomy and geography of mammals. This package provides methods to retrieve data from this resource
The package can be installed directly from CRAN like this:
install.packages('rYoutheria')
Alternatively you can install the most recent development version of the package like this:
# Install devtools
install.packages("devtools")
# Load devtools
library(devtools)
# Install rYoutheria from github
devtools::install_github("BiologicalRecordsCentre/rYoutheria")
When searching Youtheria it is likely that you have a measurement type in mind, such as body mass or diet. To look up what measurement types are available use the getMeasurementTypes() function:
# Load rYoutheria
library(rYoutheria)
# Get a list of all measurement types
MTs <- getMeasurementTypes()
head(MTs)
## Id Name
## 1 18 Activity Cycle
## 2 9 Age at Eye Opening
## 3 13 Age at First Birth
## 4 14 Average Lifespan
## 5 1 Body Mass
## 6 21 Diet
# Look up a specific measurement type
getMeasurementTypes(measurementType='Body Mass')
## Id Name
## 1 1 Body Mass
Species names in Youtheria are linked to definitions given in the Mammal Species of the World books, and when it comes to searching you can search under either the 1993 definitions or the 2005 definitions.
rYoutheria also allows searching by country or study site ID. You can get a list of countries by using the getCountries() function. This takes no arguments and simply gives you a list of all countries available
# Get a list of countries
Cs <- getCountries()
head(Cs)
## countryName countryId
## 1 Afganistan 2
## 2 Aland Islands 5
## 3 Albania 6
## 4 Algeria 65
## 5 American Samoa 12
## 6 Andorra 7
Once we have decided what our search terms are going to be we can use the 'getMeasurementData()' function.
# Get measurement data for dispersal age
dispAge <- getMeasurementData(measurementType = 'Dispersal Age',
silent = TRUE)
# Preview some of the results
head(dispAge[,c('Genus','Species','Data Value','Measure')])
## Genus Species Data Value Measure
## 1 Georychus capensis 50 Unspecified
## 2 Otocyon megalotis 5.5 Midrange
## 3 Lynx lynx 113 Median
## 4 Acinonyx jubatus 16 Midrange
## 5 Sousa chinensis 3.5 Mean
## 6 Mellivora capensis 14 Mean
# Get measurement data for body mass of Daubenton's bats
bodyMassDaub <- getMeasurementData(measurementType = 'Body Mass',
MSW05Binomial = 'Myotis daubentonii',
silent = TRUE)
head(bodyMassDaub[,c('Genus','Species','Data Value','Units Weight')])
## Genus Species Data Value Units Weight
## 1 Myotis daubentonii 0.007 kilograms
## 2 Myotis daubentoni 7.4 grams
## 3 Myotis daubentoni 7.4 grams
## 4 Myotis daubentoni 2.09 grams
## 5 Myotis daubentonii 7 grams
## 6 Myotis daubentonii 8.5 grams
# Get measurement data for age of maturity of Swiss Lynx
LynxSwiss <- getMeasurementData(measurementType = 'Sexual Maturity Age',
MSW05Binomial = 'Lynx lynx',
country = 'Switzerland',
silent = TRUE)
head(LynxSwiss[,c('Genus','Species','Data Value','Measure')])
## Genus Species Data Value Measure
## 1 Lynx lynx 1.75 Mean
## 2 Lynx lynx 2.75 Mean
For more help, and to see all of the functions in the package use the following command:
help(package = rYoutheria)
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.