stats

I've Googled unsuccessfully, and I'm hoping someone here will know the answer to this: I'm wondering about planned comparisons in a mixed model. Details: 2 (between subjects: sick versus healthy) X 4 (within subjects: assessment time: T0, T1, T2, T3) design. N=13 sick and 22 healthy. They...

My stats brain has turned out to be more rusty than I thought. I have non-gaussian data. Two groups: treatment X and placebo. Two time points: pre and post treatment. What I need is to test whether X differs from placebo. Please feel free to patronise. My mind has gone blank.

I came across some unusual statistics recently from the Center for Disease Control government website: "In the United States, HIV and AIDS have had a tremendous effect on men who have sex with men (MSM). MSM accounted for approximately two thirds of all HIV infections among men in 2003"...

http://people-press.org/reports/display.php3?ReportID=220 According to Pew more people think Bush is likely to win, but more people also said they would vote for Kerry. The Democrat's have overtaken the republicans, in terms of image, on almost every issue. Voter engagement is rising. Ralph...

As regards to The NCI Cancer Progress Report "The Report Card apart, there are disturbing questions on the reliability of NCI’s incidence statistics. This is well illustrated by wild reported variations since 1973 for the percent changes in the incidence of childhood cancer: 1973-1980...

One group of government stats says that the top 90-99 percent of the population owns about 40 percent of the nation's wea;th, and the top 1 percent owns about 30 percent. http://www.federalreserve.gov/pubs/oss/oss2/papers/wgt95.pdf (Page 22.) Basically then the top 10 percent in the above...