求助通晓R软件的亲们：
   我无法下载R软件的car包与corrgram包，下载corrgram包的时候，显示了这个package ‘corrgram’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
        C:\Users\admin\AppData\Local\Temp\RtmpwzJ7RZ\downloaded_packages
> library(corrgram)
Error: package or namespace load failed for ‘corrgram’ in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]):
不存在叫‘tibble’这个名字的程辑包
> corrgram(mtcars,order=TRUE,lower.panel=panel.shade,
+          upper.panel=pie,text.panel=panel.text,diag.panel=panel.minmax,
+          main="Corrgram of mtcars intercorrelatinos")
Error in corrgram(mtcars, order = TRUE, lower.panel = panel.shade, upper.panel = pie,  :
  could not find function "corrgram"
不知道是怎么回事，ps：360与安全管家都关了。还是不行。求指导！