The problem occurs in step 2. We have one equation and two unknowns (bandc). All of this is a long explanation for why, when you fit a conditional logistic model, Stata sometimes says . clogit outcome var1 var2
To fit multiple-group IRT models in Stata, we simply add the group() option to the irt command. We previously fit a two-parameter logistic (2PL) model for item1 through item10 by typing . irt 2pl item1-item10 We now type . irt 2pl item1-item10, group(urban) to fit a...
Stata有一个非常好的命令egen,它可以轻松地计算一组观察的统计数据。例如,可以计算每个组的最大值、平均值和最小值,并将它们作为变量添加到详细的数据集中。Stata命令是一行代码:我从未在R.summarise包中找到相同的命令,这使得计算每个组的统计信息变得很容易 浏览2提问于2014-06-11得票数 8 回答已采纳 1回答 ...
2009 German Stata Users Group Meeting Performing within and between analysis ( WABA ) in Stata Sven-Oliver Spieß OutlineBoula, Kathryn M
R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz] x 2, RAM 64G（实际使用约12G）, HDD STATA with ...
His skill set extends to SPSS, STATA, Deep Neural Networks, and Machine Learning. Holding a B.Sc in Leather Engineering from Khulna University of Engineering & Technology, he's shifted to become a content developer. In this role, he crafts technical content centred around Excel... Read Full...
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You need to specify the weights for each command, otherwise Stata will assume SRS and not weight it. You can do this either by typing [iweight=wgt] within each command, or using the -svyset- with -svy- prefix that I wrote about in my previous post. Report message to a moderator Re:...
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