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                    فيديو شرح R Tutorial #1 Getting Help in R language ضمن كورس لغة R شرح قناة Unboxing Big Data، الفديو رقم 2 مجانى معتمد اونلاين                
            
            
                If you are new to R language and you are finding help in R/RStudio on some topic, here are the options you can try :
Help in toolbar
Help.search(data input)
Help()
Help.start()
Find — tell us what package something is in
Apropos — returns character vector which gives the names of all objects in search list that match your enquiry
Example(). — worked examples of functions
demo(persp) — demonstration of r function 
Quit - q()
Install.packages