Answer:
13:a. 15:c. 14:Unknown answer
A list is an R-object that can have a wide range of different items inside of it, including vectors, functions, and even another list.
The head() function lets you display the first observations in a data frame. The method tail() prints the final observations in your data collection in a manner similar to that. Both head() and tail() print a top line called the 'header', which contains the names of the distinct variables in your data collection. The R language's transform() function is used to alter data. The first parameter is transformed into a data frame. A suitable variable name comprises of letters, numbers and the dot or underline characters. The variable name does not begin with a number but rather with a letter or a dot.
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The answer is to use the Ctrl and C keys on the keyboard to copy content from one workbook to another.
The Ctrl and C key is the standard combination keys on the keyboard that is used to copy any selected text or objects while in a user interface environment. Janice is required to press the C key while holding down the Ctrl key to copy all the content to the new workbook.
Another way of doing it is to make sure that both source and target workbooks are open. Navigate the sheets you want to copy or move in the source workbook. Click the Home tab and select then format dropdown in the Cells group. Select move or copy sheet option in the Organize sheet option. Choose the target workbook from the To Book dropdown and click OK.
Answer: D
Use the internet to search for a new app to rename the folder.
Explanation:
Rename function is used to change the name of the file or directory i.e. from old_name to new_name without changing the content present in the file. This function takes name of the file as its argument. There are many alternatives to this in which Sheila can found out through the internet.