Regression
Possible to unit test code that wasn't initially design to be tested, without changing any code?
Is it generally accepted that you cannot test code unless the code is setup to be tested? A hypothetical bit of code:[详细]
2023-01-22 00:49 分类：问答Two stage least square in R
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[详细]
2023-01-18 22:28 分类：问答How to force R to use a specified factor level as reference in a regression?
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?[详细]
2023-01-18 18:39 分类：问答regression formula needed for hobby project
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_[详细]
2023-01-17 07:26 分类：问答Python or SQL Logistic Regression
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?[详细]
2023-01-17 01:52 分类：问答Howto overcome Unit Test Regression Problems...?
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[详细]
2023-01-16 22:25 分类：问答Stepwise regression using p-values to drop variables with nonsignificant p-values
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[详细]
2023-01-15 18:29 分类：问答Specifying formula in R with glm without explicit declaration of each covariate
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[详细]
2023-01-14 10:51 分类：问答is there an R function for Stata's xtnbreg?
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[详细]
2023-01-12 04:51 分类：问答PHP Estimation Function
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[详细]
2023-01-08 13:18 分类：问答
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