Answer:The most easiest way to drop columns is by using subset() function.
Explanation:
In the code below, we are telling R to drop variables x and z. The '-' sign indicates dropping variables. Make sure the variable names would NOT be specified in quotes when using subset() function.
Format painter are used for copying texts, shape and even pictures. It is located on the top left part of your home button of your microsoft product. The statement " Format painter cannot be used to copy only character attributes." is absolutely False. As it can copy things individually.
In the digital signature technique when the whole message is signed using an asymmetric key, the sender of the message uses his or her own private key to sign the message.
Primary storage refers to the main storage of the computer or main memory which is the random access memory or RAM. Secondary storage, on the other hand, refers to the external storage devices used to store data on a long-term basis.
