Statistical and Epidemiological Sources

• Betty C. Jung’s Statistical Software Sites
• QSR international: website of the market leading software provider for qualitative data analysis: products include Nud*ist, XSIGHT and NVIVO
• SPSS: web site of the market leading product for analysis of quantitative data
  • SPSS Tutorial – developed by DataStep (originally for a course run at California State University, Sacramento), the free step-by-step tutorial can be downloaded in pdf format, and the accompanying data files by ftp. A statistical selection guide to selecting data analysis models and statistical tests is also available
• STATA Statistical Software: manufacturers of the STATA software
• Statistical Packages: Commercial and Shareware: from the Australian StatSci.org site, a valuable source of statistical science sources on the web
• Statistical Packages: Free

• Concepts and Applications of Inferential Statistics: online textbook
• Hyperstat Textbook: in-depth textbook explaining how to use statistical techniques; part of the Rice Virtual Lab in Statistics
• Rice Virtual Lab in Statistics: links to simulations, tutorials, case studies and statistical tools developed by David M. Lane; includes simulations and demonstrations of statistical procedures
• StatSoft Electronic Statistics Textbook: statistics teaching package developed by StatSoft; includes a statistical glossary
• STEPS (Statistical Education Through Problem Solving): downloadable (free) modules for teaching statistics in biology and psychology
• Topics in Statistical Data Analysis: Revealing Facts from Data: developed by Prof. Hossein Arsham of the University of Baltimore
• WISE (Web Interface for Statistics Education): online teaching package produced by Claremont Colleges in the US
• X4L – SDiT (Survey Data in Teaching): teaching and learning materials that aim to teach data literacy at A-level and degree level; makes use of data from the British Crime Survey to illustrate how social science data can be extracted from a dataset, and used in research, or applied to real life problem

• Interactive Statistics Pages: list of resources for performing statistical calculations put together by John C. Pezzullo, Associate Professor in the Departments of Pharmacology and Biostatistics at Georgetown University, in Washington, DC.
• GeoConvert: geographical translation service: place UK postcodes by geographical location or enumeration district using the postcode look-up directories; hosted by the Census Dissemination Unit.
  Access to UK HE researchers is via the UK Federation option; you need to undergo an additional registration step for CDU services
• Research Randomizer: this program uses a JavaScript random number generator to perform random sampling or assign participants to experimental conditions
• SISA (Simple Interactive Statistical Analysis): enter values and use the tools to perform specific statistical functions
• Statistics Calculators: another list of free calculators suitable for many statistical processes

• National Statistics: website for the Government statistical body, National Statistics (formerly Office for National Statistics); provides data, and includes a searchable database of National Statistics products.
• UK Data Archive: research resource hosted by the University of Essex; it allows people working in the HE sector to search for raw data from a wide range of important health, social science, and economic surveys
• UK National Digital Archive of Datasets: preserves and provides access to computer datasets from UK government departments and agencies; aimed at all those with an interest in records of 20th century government decision making and planning, including researchers, social historians

Guides and tools

• EBM Toolbox: part of the Centre for Evidence Based Medicine site, this page gives you a number of tools and advice for performing statistical calculations, such pre-test probabilities, numbers needed to treat (NNTs), confidence intervals and likelihood ratios
• Finding and using Health Statistics – an Online Study Guide: developed by the US National Institutes for Health, this is a step-by-step tutorial to finding, interpreting and using health data
• Random Number Generator: use this tool to help you assign participants in your sample to different arms of a trial

Resources

• Center for Disease Control and Prevention (CDC): US public health and epidemiological centre responsible for preventing the spread of infectious disease, environmental health, and health promotion
  • CDC Wonder database to search for a wide variety of US reports and numeric public health data
  • See the data & statistics section of the web site for all the available datasets and statistical products
  • National Centre for Health Statistics – principal health statistics agency for the US
  • State and territorial data
  • A-Z of Statistical topics
• Global Alert and Response – a department of the World Health Organisation (WHO) dedicated to monitoring outbreaks of communicable disease worldwide
• Public Health Mapping: part of the WHO Communicable Disease Surveillance and Response site, provides GIS data for communicable diseases
• SEER, Surveillance, Epidemiology and End Results: source of information on cancer incidence and survival in the United States; produced by the National Cancer Institute.
• Weekly Epidemiological Record: distributed weekly by the WHO, it gives the most up-to-date epidemiological figures for infectious and communicable diseases worldwide
• WHO Classification: World Health Organisation criteria for disease, disability and health: used for epidemiological reporting processes. Includes:
  • ICD: international classification of diseases
  • ICF: international classification of functioning, disability and health
• WHOSIS: the World Health Organisation (WHO) Statistical Information System