r packages include sample datasets. they also include reusable r functions and documentation about how to use the functions.
The above statement is <u>True</u>.
What are R packages?
<u>The statistical programming language R has extensions </u>known as R packages. Users of R can install R packages by <u>accessing a centralized software repository like CRAN</u>, which often contains code, data, and documentation in a common collection format.
The "library" directory is <u>where R </u><u>packages </u><u>are kept in the R environment</u>. During installation, R automatically install a number of packages. Later, when additional packages are required for a particular task, they are added.
To learn more about R packages, use the link given
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Answer:
b. False
Explanation:
Difficult economic times, increased global competition, demand for customization, and increased consumer sophistication does not direct companies to hire more employees and outsource middle managers.
Rather, companies tend to invest new technologies, information systems to satisfy the needs in global competition, consumer sophistication and customization.
Middle managers outsourced cannot deal these issues effectively, therefore they need to be company employees.
In difficult economic times, companies does not want to hire extra employees because of increased cost.
Explanation:
Hardware is useless without software because the machinery will not and cannot do anything without programming to tell it what to do. Without an operating system, the computer can't do anything. Without other software, like Microsoft Office, you can't type anything or listen to music or watch video or anything
I actually have this problem all the time. Rarely any of my questions get answered and I see this happening to other people all the time. It's crazy.
Answer: C) java.awt
Explanation:
Java.awt is commonly used in AWT (abstract window toolkit) which basically contain core graphics in AWT class. The java.awt is the important package in the AWT. It basically contain the main capabilities of the graphics and define the GUI ( graphical user interface) frame in the java platform.
It also support the event handling and also the event class like window and key event in the java.awt.
Therefore, option (C) is correct.
