منابع مشابه
Statistics for dental researcher, Part 2: Descriptive statistics
Descriptive statistics is the process of summarizing gathered raw data from a research and creating useful statistics, which help the better understanding of data. According to the types of variables, which consist of qualitative and quantitative variables, some descriptive statistics have been introduced. Frequency percentage is used in qualitative data, and mean, median, mode, standard deviat...
متن کاملETHICAL ISSUES IN MEDICAL STATISTICS
Medical statistics (biostatistics), as a vital essential part of modem life, does raise some fundamental ethical issues. Surprisingly, this aspect seems to have been totally ignored by books on medical ethics. This paper discusses how the statistical aspects affect the ethics. The relation between biostatistics and medical research is explored. All stages of a medical research exercise are ...
متن کاملBayesian Statistics BAYESIAN STATISTICS ∗
Mathematical statistics uses two major paradigms, conventional (or frequentist), and Bayesian. Bayesian methods provide a complete paradigm for both statistical inference and decision making under uncertainty. Bayesian methods may be derived from an axiomatic system, and hence provide a general, coherent methodology. Bayesian methods contain as particular cases many of the more often used frequ...
متن کاملA Rare Presentation of Arterial Thrombosis after Venous Thrombosis in a Patient with Gastric Cancer
Background: Venous thromboembolism, which comprises deep vein thrombosis and pulmonary embolism and is a significant cause of morbidity and mortality among patients with cancer. The aim of the present study was to report a rare presentation of arterial thrombosis after venous thrombosis in a patient with gastric cancer. Report of the Case: A 45 year-old female patient with locally advanced gas...
متن کاملCosmic Statistics of Statistics
The errors on statistics measured in finite galaxy catalogs are exhaustively investigated. The theory of errors on factorial moments by Szapudi & Colombi (1996) is applied to cumulants via a series expansion method. All results are subsequently extended to the weakly non-linear regime. Together with previous investigations this yields an analytic theory of the errors for moments and connected m...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: BMJ
سال: 1977
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.6055.231-d