A period on the periodic table is a horizontal row. The atoms in this row show a trend in their width, and in the amount of work needed to make them an ion, among the fe â¦ w other similarities.
The x-axis and y-axis Remembered! The x-axis and y-axis are two lines that create the coordinate plane. The x-axis is a horizontal line and the y-axis is a vertical line. I'm sure you've heard that a million times, but it might hard for you to remember which one is which. Here is a little trick to help you remember...
@Huck Smith ...err then that is not a histogram. A histogram is a crude estimate of the probability density function of a univariate (in the conventional sense of a histogram) variable. Hence, in a histogram the x-axis represents the single variable and the y-axis is the estimate of the density of the data at values on the scale of x. By the sounds of it, you want a barplot() â Gavin Simpson Sep 15 '11 at 8:09. The information about plot(), write(), and read.csv() were very useful to me.