Frequency tables are often encountered which cannot be directly observed. Examples occur in gene frequency estimation problems, latent structure analysis, epidemiology, and studies of group ...

In the case of frequency data, traditional discussions such as Rao (1973, pages 355-363, 391-412) consider asymptotic properties of maximum likelihood estimates and chi-square statistics under the ...

Wet comb: NIST’s tabletop frequency comb being used to identify water molecules in air. The yellow squiggle at the top of the screen is the electric field of mid-infrared laser light that has passed ...

Data can be presented in many ways that make it quicker and easier to read. In this section we will look at some of these ways. It is important to choose the best way to present data. This is the data ...