If you'd like to see an overview of what's in the data frame-a list of your variables, whether they're numeric or factors, and so forth-what command would you use?

Which of the following is not a reason that the subject line should never be left blank?

Using __, when a device transmits a binary 0, a zero voltage is transmitted. when the device transmits a binary 1, either a positive voltage or a negative voltage is transmitted. a. manchester b. nrz-l c. bipolar-ami d. differential manchester

The lamp recommended for testing the output of battery-recharging devices for cordless appliances is the A. neon test lamp. B. radio pilot lamp. C. incandescent test lamp. D. automobile head lamp

What type of software is word processing software? (I really need the answer)

Ron is creating building blocks in Word. How can he make the building blocks that he created available?

Different GUI concepts or sample that you often see when using software?

What is the use of word art?

In a particular spreadsheet, the data in each cell is password protected. When cells are selected, the formula is visible in the formula bar. Which is true? A. The cells are locked and hidden. B. The cells are locked and unhidden. C.

Which type of optical scanner works in a manner similar to a copy machine?

The following code does not work as intended. It is meant to input two test grades and return the average in decimal format: int test1 = scan. nextInt (); int test2 = scan. nextInt (); double average = (test1 + test2) / 2; System. out.