Correlogram

hi Dear all member

in the advance graph i see the Correlogram

and have done one of them plot:




*corrgram(mtcars, order=TRUE,
lower.panel=panel.shade,  upper.panel=panel.pie,
text.panel=panel.txt,  main="Car Milage Data in PC2/PC1 Order")*

could you please how to interprate the plot and find their corralation

the best
mahnaz