search for: abdomin

Hi: I have asked this question on Cross-Validated. So it might be a cross posting but havent received any responses to it. I am trying to see which distribution will best fit the data I am working on. The dataset is as following: Site Nausea headache Abdominal Distension 1 17 5 10 2 12 8 7 ..... So each site has total # adverse events for each type/category and have equal # patients per site, say 60 and there are 63 sites. If I wer...

Hi. I have an object. I think it is a list. > str(corTFandPCA) num [1:922, 1:5] -0.0226 -0.0504 -0.0208 -0.0582 -0.0257 ... - attr(*, "dimnames")=List of 2 ..$ : chr [1:922] "abdomen.2" "abdomimal.3" "abdominal.4" "aberration.5" ... ..$ : chr [1:5] "PC1" "PC2" "PC3" "PC4" ... I want to order it according to PC1. I tried this dfCorTFandPCA=as.data.frame(corTFandPCA) > orderedCorTFandPCA=dfCorTFandPCA[order(PC1)] Error in order(PC1) : object...

...unrefrigerated for long periods, allowing bacteria to form on the food.</p> <p>Food poisoning symptoms typically begin within two to six hours after eating contaminated food. Signs of food poisoning are most often vomiting, fever, chills, headache, bloody diarrhea, weakness, and severe abdominal cramps.</p> <p>Treatment from a doctor is rarely necessary, unless dehydration occurs, says the NLM. To prevent dehydration, drink plenty of fluids, but avoid milk or drinks with caffeine. You should also avoid solid foods while severely nauseated. Antibiotics usually aren''t...