install.packages("igraph"); 
install.packages("Rfast")
install.packages("ggraph"); 
install.packages("tidyverse"); 
install.packages("ggplot2"); 
install.packages("latex2exp");
install.packages("tidygraph"); 
install.packages("RColorBrewer"); 
install.packages("GPvecchia")
install.packages("VEnKF_0.9.1.tar.gz", repos = NULL, type = "source")
install.packages("foreach")
install.packages("iterators")
install.packages("doParallel")