Please install sandwich package and execute the following code in R :

data$($Investment$,$ package$=$"sandwich"$)$

Investment $<-$ as$.$data.frame$($Investment$)$

# Investments in the USA, an annual time series from $1963$ to $1982$ with $7$ variables. $($ GNP$,$ Investment, Price, Interest, RealGNP, RealInv, RealInt $)$

# Please investigate factors related to investments in the USA, create visualization using lattice package.