0
votes
1answer
75 views

Gretl - calculate the estimated variance of the residuals

I want to learn the statistics package gretl. My first attempt to do so is to calculate a linear regression model of a set of data: $$y_i = \alpha + \beta x_i + u_i$$ First I want to create a ...
0
votes
0answers
56 views

Equations solving and software help for making math patterns

I would like to convert the collected data into mathematical equations by introducing for each requirement by a parameter. In this way, I will get some equations in unknowns. We know a method of ...
34
votes
13answers
9k views

Does Julia have any hope of sticking in the statistical community?

I recently read a post from R-Bloggers, that linked to this blog post from John Myles White about a new language called Julia. Julia takes advantage of a just-in-time compiler that gives it wicked ...
10
votes
4answers
202 views

Testing statistical software

What techniques/approaches are useful in testing statistical software? I'm particularly interested in programs that do parametric estimation using maximum likelihood. Comparing results to those from ...
26
votes
7answers
1k views

Excel as a statistics workbench

It seems that lots of people (including me) like to do exploratory data analysis in Excel. Some limitations, such as the number of rows allowed in a spreadsheet, are a pain but in most cases don't ...
12
votes
3answers
1k views

Do some of you use Google Docs spreadsheet to conduct and share your statistical work with others?

I know most of you probably feel that Google Docs is still a primitive tool. It is no Matlab or R and not even Excel. Yet, I am baffled at the power of this web based software that just uses the ...