Is it generally accepted that you cannot test code unless the code is setup to be tested? A hypothetical bit of code:
I w开发者_如何学编程ant to run a two stage probit least square regression in R. Does anyone know how to do this? Is there any package out there? I know it\'s possible to do it using Stata, so I imagin
How can I tell R to use a certain level as reference开发者_C百科 if I use binary explanatory variables in a regression?
I have a hobby website based around cars. I can source car sold data with 3 variables: price, mileage and age. If I collect enough data, is it possible to enter an age and mileage and return 开发者_
Given time-series data, I want to find the best fitting logarithmic curve. What are good libraries for doing this in either Python or SQL?
I was looking for some kind of a solution for software development teams which spend too much time handling unit test regression problems (about 30% of the time in my case!!!), i.e., dealing with unit
I want to perform a stepwise linear Regression using p-values as a selection criterion, e.g.: at each step dropping variables that have the highest i.e. the most insignificant p-values, stopping when
I would like to force specific variables into glm regressions without fully specifying each one.My real data set has ~200 variables.I haven\'t been able to find samples of this in my online searching
Have been using Stata to run negative binomial regressions in a replication.Not sure what is under the hood on how Stata does this, but wanted to know if开发者_运维问答 there is an R function/package
I am trying to calculate value $x in a number series based on an array of numbers (as $numbers). Ex: $numbers = array(1=>1000,2=>600,3=>500,4=>450,5=>425,6=>405,7=>400,8=>396
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