Statistics questions

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Combining Retrieval, Statistics, and Inference to Answer Elementary Science Questions

What capabilities are required for an AI system to pass standard 4th Grade Science Tests? Previous work has examined the use of Markov Logic Networks (MLNs) to represent the requisite background knowledge and interpret test questions, but did not improve upon an information retrieval (IR) baseline. In this paper, we describe an alternative approach that operates at three levels of representatio...

متن کامل

Policy, Statistics, and Questions: Reflections on UK Cyber Security Disclosures

Empirical analysis within the field of information security economics is fraught with difficulty, primarily due to a lack of data. Over the last three years, the UK Government, through the Department for Business, Innovation & Skills (BIS), has taken a lead in the area of public disclosure on corporate cyber intrusions via their Information Security Breaches Survey. The recent development of th...

متن کامل

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 کامل

Computational Statistics and Statistical Modelling: Mathematical Tripos, Part IIA, questions from 1997 onwards

where H is a matrix that you should define. If now Xβ is written as Xβ = X1β1 +X2β2, where X = (X1 : X2), β T = (β 1 : β T 2 ), and β2 is of dimension p2, state without proof the form of the F−test for testing H0 : β2 = 0. ii) The data in the GLIM analysis shown were obtained as part of a health survey in the US investigating cholesterol levels in women from two states, Iowa and Nebraska (denot...

متن کامل

ETHICAL 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 کامل

ذخیره 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: The Southwest Respiratory and Critical Care Chronicles

سال: 2017

ISSN: 2325-9205

DOI: 10.12746/swrccc.v5i20.409