[R] Help with Package creation

[Mohammad Tanvir Ahamed]

Hello ,
I am new in R package built. 
I want to install one package (randomForest) that will install automatically while my package(myPack) will install. I am using R studio to built. 
My Description file is : 
Package: myPackType: PackageTitle: What the Package Does (Title Case)Version: 0.1Date: 2015-09-19Author: Who wrote itMaintainer: Who to complain to <yourfault at somewhere.net>Description: More about what it does (maybe more than one line)License: What license is it under?Depends: RImports: randomForestLazyData: TRUE ------------------------------------------------------------------------------------But it shows me a error ...
Updating myPack documentationLoading myPackError in (function (dep_name, dep_ver = NA, dep_compare = NA)  :   Dependency package randomForest not available.Calls: suppressPackageStartupMessages ... <Anonymous> -> load_all -> load_imports -> mapply -> <Anonymous>Execution halted
Exited with status 1.------------------------------------------------------------------------------------
Any help regarding this problem will appreciated . Thank you . 
 Tanvir Ahamed 
   Göteborg, Sweden     | 
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