stata help correlation

Stata - Stata is a general-purpose statistical software package created in 1985 by StataCorp. It is used by many businesses and academic institutions around the world. Most of its users work in research, especially in the fields of economics, sociology, political science, and epidemiology...

Stata Labs - Stata Labs is a company based in the United States and was acquired by Yahoo!...

Correlation - In probability theory and statistics, correlation, also called correlation coefficient, indicates the strength and direction of a linear relationship between two random variables. See also: Computers & Math Statistics Information Technology Mathematical Modeling In general statistical usage, correlation or co-relation refers to the departure of two variables from independence, although correlation does not imply causality. In this broad sense there are several coefficients, measuring the degree of correlation, adapted to the nature of data.. For more information about the topic Correlation, read the full article at Wikipedia.org, or see the following related articles: Random variable — A random variable is a mathematical function that maps outcomes of random experiments to numbers. It can be thought of as the numeric result of ...  > read more Probability distribution — In mathematics and statistics, a probability distribution, more properly called a probability density, assigns ....

  Correlationsdescriptions and examples of positive correlations, negative correlations, and no correlations

  CorrelationAn explanation of the types of correlation possible when making scatter plots.

Question : Its a statistics program with which you can run regressions i used it in college in econometrics class. I have tried search engine but i can't get into any of the sites i get error http no. 404.

Answer : Sorry, I've never heard of stata, but you should try Minitab for Windows. You can get a free 30-day download. It is great for carrying out regressions, ANOVAs, glms, etc. http://www.minitab.com/downloads/ BTW, Vassarstats is another great site for smaller calculations. It's webbased and always free. http://faculty.vassar.edu/lowry/VassarStats.html

Question : I need to change the hazard ratios reflecting change per one unit increase to change per five unit increase. Example: I want the HR for each 5-unit increment of blod pressure instead of one unit increment, which is the default for my continuous blood pressure variable. Thanks.

Answer : Interesting much question!!!