This months article will look at epidemiological and statistical sites on the Internet. As always the sites mentioned is a hypertext link to the source of the information. The URL is provided for the main site only and any secondary links will not be mentioned. This article is best exploited by visiting the URL mentioned below.(http://www.vadscorner.com/internet11.html)

BMJ has a series of articles titled "Epidemiology for the Uninitiated" and "Statistics at Square One" in which basic epidemiology and statistics is a comprehensively covered.

**EPIDEMIOLOGY**

Epidemiology for the Uninitiated ( http://www.bmj.com/about-bmj/resources-readers/publications/epidemiology-uninitiated ). The epidemiological topics covered include

**Contents**

2. Quantifying disease in populations

5. Planning and conducting a survey

8. Case-control and cross sectional studies

12. Reading epidemiological reports

Other resources for epidemiology includes:

The WWW Virtual Library: Medicine and Health: Epidemiology**STATISTICS**

Statistics at Square One ( http://www.bmj.com/collections/statsbk/index.dtl ) The statistical topics covered includes

4 Statements of probability and confidence intervals

5 Differences between means: type I and type II errors and power

6 Differences between percentages and paired alternatives

13 Study design and choosing a statistical test

**Other sources for statistical
information includes**

Home of SURFSTAT *australia* ( http://www.anu.edu.au/nceph/surfstat/surfstat-home/surfstat.html ) -- Department of Statistics Hyper-Textbook
Library

Social Research Center: Knowledge Base ( http://www.socialresearchmethods.net/kb/index.htm ) -- an online hypertext textbook on applied social research methods that covers everything you want to know about defining a research question, sampling, measurement, research design and data analysis.

Clay Helberg's "Statistics on the Web" ( http://www.claviusweb.net/statistics.shtml ) (Updated thanks to Jessica)-- Links to many kinds of statistics resources including teaching sites and statistical software. Pitfalls of Data Analysis (or How to Avoid Lies and Damned Lies) ( http://pareonline.net/getvn.asp?v=5&n=5 )

John Loadsmans Links ( http://www.virtual-anaesthesia-textbook.com/vat/statistics.html ) -- A summary of statistics resources

HyperStat Statistics text ( http://davidmlane.com/hyperstat/index.html ) --This is a hypertext statistics textbook written by David Lane.

WWW Virtual Library Statistics ( http://www.stat.ufl.edu/vlib/statistics.html )

The Globally Accessible Statistical Procedures (GASP) Page ( http://www.stat.sc.edu/rsrch/gasp/ ) -- A collection of online statistical procedures, which you can access from your web browser. These are actual routines that take data (entered via a form) and return statistical results.

Epi-Info ( http://www.cdc.gov/epiinfo/ ) is a wonderful public domain database and statistical package written by CDC and available for download ( http://www.cdc.gov/epiinfo/downloads.htm ). Epi Info is a series of microcomputer programs for word processing, data management and epidemiologic analysis, designed for public health professionals. Epi Info is easy to use, but also offers programming languages for both data input and analysis so that permanent health information systems can be developed.

StatCrunch ( http://www.statcrunch.com/ ) -- A statistical computing package for the WWW.

SPSS Inc. (http://www.spss.com/) a comprehensive statistical package.

STATGRAPHICS ( http://www.statgraphics.com/ ) -- This page supports the STATGRAPHICS package for Windows.

Minitab (http://www.minitab.com/) -- Home page of Minitab statistical softwaare. Includes the standard product information, technical support, software macros, etc. See their extensive list of companion textbooks for use with their software.

Business Statistics on the Web ( http://www.crestcapital.com/tax/business_statistics.html ) - To understand business statistics, resources are available to assist businesses. (Thanks to Erika)

With that I let your "mouse" or your "keyboard" do the "talking".

Till next month, "Happy Surfing".

Dr.M.Vadivale

Cyberdoc(cyberdoc@outlook.com)

The links to URL mentioned above are valid at the time of writing (12 April 2009).

This page can be accessed at http://www.vadscorner.com/internet11.html or at http://www.vadscorner.com/mma_internet.html.

Links last updated 5 Feb 2013