What are plot types?
There are 4 types of plots colplot is capable of displaying. Rather than increasing the number of different plots by 4-fold, it was decided to select a type for each one that produced the most favorable look for each under most conditions. As it turns out, some plots look best when displayed one way and can be very difficult to see when displayed another. Perhaps the best example is network data. When communications is in one direction, the use of lines help give one a better feel for the load since the plot is filled with a single color. However, when a system is transmitting and receiving at very close speeds, the second line drawn usually overwrites the first making the first invisible. One solution is a point plot which has no lines and can greatly help show what is really happening. At the same time, if one chooses to zoom in by choosing a narrower time frame, there may be too few points to get a good feel for the data. When one looks at memory utilization, one may want to see how
