Epidemiology and Beyond: Excel

Collected Websites and Online Tools (obsolete)
Epidemiology and Statistics

Clinical Analyte Unit Conversion - Jay Clinic Service.
OpenEpi provides statistics for counts and measurements in descriptive and analytic studies, stratified analysis with exact confidence limits, matched pair and person-time analysis, sample size and power calculations, random numbers, sensitivity, specificity and other evaluation statistics, R x C tables, chi-square for dose-response, and links to other useful sites.
Statistical literacy
Quick-R for both current R users, and experienced users of other statistical packages (e.g., SAS, SPSS, Stata) who would like to transition to R.
Use of R! in Governments: USA (Revolutions Analytics), UK (ESDS Government).
Jon's Excel Charts and Tutorials - Peltier Tech
Chart Chooser — the favorite tool for improved Excel and PowerPoint charts. there is R! version of Chart Chooser (not many charts on the site, but the idea is great)

Coursra offers high quality courses from the top universities, for free to everyone. Here is the more story about Coursra by NPR.
Khan Academy offers his free lessons in thousands of highly visual 10-minute chunks. Math and science dominate, and other topics for adult learners. It's been funded by Google and the Bill and Melinda Gates Foundation.
Art of Problem Soving, especially for the middle and high school level.
Open Yale Courses
MIT OpenCourseWare
Harvard Open Courses
Princeton University: WebMedia - Lectures
Smarthistory focuses on art history, from cave paintings to Warhol
R! Two-minute Tutorial.
Supercourse - Epidemiology, the Internet and Global Health. Topics about Diabetes

TED is a set of annual conferences that brings together some of the world's best and brightest thinkers to deliver talks on their realms of expertise.
TEDMED is a community of people who are passionate about imagining the future of health and medicine.

The Roadtrippers road trip planner helps you discover, book, and create travel itineraries of the best places and experiences along the way. Also, there are apps for handhold devices.
The airbnb helps you to rent unique places to stay from local hosts in 190+ countries.
Hipmunk lets you search for flights across major airlines, giving you easy-to-scan results in a grid sorted by agony ("a combination of price, duration and number of stops").

Clark Howard: Advice You Can Trust. Money in Your Pocket
Caslist provides local classifieds and forums for jobs, housing, for sale, personals, services, local community, and events.
Car shopping: if you are looking for a car, you might visit these websites to get a good price:
- Truecar, a hassle-free car-buying experience from a nationwide network of certified dealers.
- U.S. News Best Cars, a best car, truck and SUV rankings and reviews from U.S. News.
- Kelley Blue Book.
- Edmunds - New cars, used cards, car reviews and car prices.

HealthGrades provides the rating grades of doctors, dentists and hospitals on a five-star scale for everything from communication skills to wait times.
身與心的平衡 (The balance of body and mind) and 中醫世界 (the world of Chinese medicine)
張釗漢疼痛醫療基金會 - 原始點吉林演講
Howard Hughes Medical Institute (HHMI) - Biomedical Research & Science Education

Smallpdf is a fast and powerful online converter; it can convert in both ways between PDF and files of MS-Office, also can compress PDF, unlock, merge and split PDF. There is no limits to file size, no ad watermarks - just a free and simple online PDF converter.
Any2DjVu Server is offered by DjVu Zone to convert pdf etc. into documents in DjVu format.
Extractpdf.com can extract Images, Text or EVEN Fonts from a PDF File.
Zamzar is an online format converter which allows to convert media between different formats. It can convert document, music, videos, images, and even archived files. The free service provides a file size up to 100 MB file size limit. It converts MOBI file quite well.
TransferBigFiles is helpful to send and receive files that are too big for email attachments. The free account allows you to send files that are as big as 100 MB.
SendThisFile can send a big file up to 2 GB for free, but you need create an account.
Dropbox has much more features but also can be used for big file transfer.

GPS Visualizer is a free, easy-to-use online utility that creates maps and profiles from GPS data (tracks and waypoints, including GPX files), driving routes, street addresses, or simple coordinates. Use it to see where you've been, plan where you're going, or visualize geographic data.
GPSFileDepot is a great source for GPS files including custom maps, custom points of interest, ximage hosting, articles, tutorials, and tools.
Free routable maps for Garmin brand GPS devices using data of the OpenStreetMap (Map quest, Public Transport)
Online Maps: Google Map, 百度地图 (Baidu Map), Bing Map, OpenStreetMap

Copy-and-paste the URL on SaveFrom.net to download files from Rapidshare, FileFactory, Youtube, Google, and Metacafe. For Youtube, you can simply add "ss" after "http://" to download the video.
Mr. Number controls who can call you and when with status, blocking, and caller ID for mobile phones.
Video conference/chat

Zendesk is a calming music source.
Grooveshark is a great place to listen to music
OpenDNS is the leading provider of Internet security and DNS services. It protects kids from online violence, pornography, and other unsavory Web material.
How to make your own Rivnut tool and install the Pilot running board by yourself:

PHOTOCOPA from ColourLovers is an advanced color palette tool that helps you create the perfect color palette.
Pictaculous is a simple color palette generator and give you HTML hex codes.
Kuler by Adobe is a web-hosted application for generating color themes.
Color hunter creates and finds color palettes made from images
Color Palette Generator can generate a color palette based on an online image.
Color Scheme Designer allows you to create various color schemes and export them.
You can also use GIMP (Filters/Blur/Pixelize..., or to open the Palettes dialog, go to Windows > Dockable Dialogs > Palettes, then right-click anywhere in the Palettes, select import, the palette file (*.gpl) can be find under a palette folder.) to create one.

Epidemiology and Beyond