requirements_info

R version 4.0.4 (2021-02-15)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Big Sur 10.16

Matrix products: default
LAPACK: /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRlapack.dylib

locale:
[1] it_IT.UTF-8/it_IT.UTF-8/it_IT.UTF-8/C/it_IT.UTF-8/it_IT.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.6         urca_1.3-0         pillar_1.6.1       compiler_4.0.4     tseries_0.10-48    tools_4.0.4       
 [7] xts_0.12.1         nlme_3.1-152       lifecycle_1.0.0    tibble_3.1.2       gtable_0.3.0       lattice_0.20-41   
[13] pkgconfig_2.0.3    rlang_0.4.11       DBI_1.1.1          curl_4.3           parallel_4.0.4     dplyr_1.0.6       
[19] generics_0.1.0     vctrs_0.3.8        lmtest_0.9-38      grid_4.0.4         nnet_7.3-15        forecast_8.14     
[25] tidyselect_1.1.0   glue_1.4.2         R6_2.5.0           fansi_0.5.0        TTR_0.24.2         ggplot2_3.3.5.9000
[31] purrr_0.3.4        magrittr_2.0.1     scales_1.1.1       ellipsis_0.3.2     assertthat_0.2.1   quantmod_0.4.18   
[37] timeDate_3043.102  colorspace_2.0-1   fracdiff_1.5-1     quadprog_1.5-8     utf8_1.2.1         munsell_0.5.0     
[43] crayon_1.4.1       zoo_1.8-9