Evaluates the probability density function (PDF), cumulative distribution function (CDF), quantile function (QF), random numbers and maximum likelihood estimates (MLEs) of well-known complementary binomial-G, complementary negative binomial-G and complementary geometric-G families of distributions taking baseline models such as exponential, extended exponential,  Weibull,  extended Weibull, Fisk, Lomax, Burr-XII and Burr-X. The functions also allow computing the goodness-of-fit measures namely the Akaike-information-criterion (AIC), the Bayesian-information-criterion (BIC), the minimum value of the negative log-likelihood (-2L) function, Anderson-Darling (A) test, Cramer-Von-Mises (W) test, Kolmogorov-Smirnov test, P-value and convergence status. Moreover, some commonly used data sets from the fields of actuarial, reliability, and medical science are also provided. Related works include: 
  a) Tahir, M. H., & Cordeiro, G. M. (2016). Compounding of distributions: a survey and new generalized classes. Journal of Statistical Distributions and Applications, 3, 1-35. 
  <doi:10.1186/s40488-016-0052-1>.

Flexible framework for trait-based simulation of community assembly, where components could be replaced by user-defined function and that
             allows variation of traits within species.

Contains the basic functions to apply the unified framework
    for partitioning the drivers of stability of ecological communities. 
    Segrestin et al. (2024) <doi:10.1111/geb.13828>.

Interface with and extract data from the United Nations 'Comtrade' 
  API <https://comtradeplus.un.org/>. 'Comtrade' provides country level shipping 
  data for a variety of commodities, these functions allow for easy API query 
  and data returned as a tidy data frame.

To calculate the AQI (Air Quality Index) from pollutant concentration data.
    O3, PM2.5, PM10, CO, SO2, and NO2 are available currently.
    The method can be referenced at Environmental Protection Agency, United States as follows:
    EPA (2016) <https://www3.epa.gov/airnow/aqi-technical-assistance-document-may2016.pdf>.