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Please let us try to merge the grmpy promotional notebook and the Monte Carlo Lecture in the Econometrics COurse http://nbviewer.jupyter.org/github/HumanCapitalAnalysis/econometrics/blob/master/lectur…
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**Submitting author:** @medewitt (Michael DeWitt)
**Repository:** https://github.com/medewitt/tidyqwi
**Version:** v0.1.0
**Editor:** @alexhanna
**Reviewers:** @tweed1e
**Author instructions**
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## Plugin Request
- [x ] This is a plugin request and I have read the contribution guidelines and plugin request requirements.
### Description
Website of the American Economic Association, wi…
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Arellano has a brief section in his econometrics lecture notes on measurement error models. (as motivation to panel and instrumental variable models)
If the covariance matrix of the measurement error…
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I have the following problem with `read_spss/read_sav`. Code work perfectly for previous version of `haven` package but after updating I got an an error which indicate a problem with allocating memory…
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I have remarked about this on slack and in #1695. On @nalimilan's suggestion I am posting an issue to discuss how we can make `df.col` easier with non-literals.
**Motivation:** With #1695 (mostly)…
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### Expected Behavior
Module is not loaded more than once (?)
### Actual Behavior
Module seems to be loaded multiple times, thus throwing an error due to libraries used.
### Steps to R…
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TeXstudio的build设置如下
![image](https://user-images.githubusercontent.com/30075289/42426228-f64c362e-82eb-11e8-8344-20a284a8aa01.png)
主文件代码为
%!TEX options = --shell-escape
\documentclass[doctor]{…
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Would be great to have an example with a mix of time-variant and time-invariant variables for `gather()` or `pivot_long()` or both. basically what's the tidyr equivalent of:
```r
d