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* Marginal means in Stata | |
* https://www.stata.com/features/overview/marginal-analysis/ | |
* Probit | |
webuse nlsw88, clear | |
quietly probit union wage c.age c.age#c.age collgrad | |
margins, dydx(age) |
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# https://ryan-holben.github.io/tex/latex/installation/macos/2016/08/21/installing-tex-on-mac/ | |
brew cask install basictex | |
sudo tlmgr update --self | |
sudo tlmgr install texliveonfly | |
sudo tlmgr install latexmk | |
sudo tlmgr install biber | |
sudo tlmgr install standalone | |
sudo tlmgr install preview |
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# Required packages | |
# dplyr | |
# stringr | |
# glue | |
lookfor <- function(df, pattern) { | |
var_i <- names(df) %>% stringr::str_detect(stringr::regex(pattern, ignore_case = TRUE)) | |
return(names(df)[var_i]) | |
} |
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library(gapminder) | |
library(tidyverse) | |
library(broom) | |
library(huxtable) | |
library(lfe) | |
# Example dataset (via gapminder package) | |
glimpse(gapminder) | |
# Create a function to make looping easier |
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Wrong mean: 5.84333333333333 | |
Right mean: 5.936 | |
The wrong mean didn't filter: 5.84333333333333 |
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require 'mini_exiftool' | |
photo = MiniExiftool.new('new.jpg') | |
photo.tags.sort.each do |tag| | |
photo.copy_tags_from('original.jpg', tag) | |
end | |
photo.save |
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brew tap caskroom/cask | |
brew install brew-cask | |
brew install Caskroom/cask/xquartz | |
brew cask install java | |
brew tap homebrew/science | |
brew install R | |
brew install Caskroom/cask/rstudio |
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using JuMP, Ipopt | |
A = 1; δ = 0.1; θ = 0.3; β = 0.96; ɛ = 0.5; χ = 0.5; | |
r = (1 / β) - (1 - δ); | |
m = Model(solver = IpoptSolver()) | |
@variable(m, 0 <= k <= Inf) | |
@variable(m, 0 <= n <= Inf) | |
@variable(m, 0 <= w <= Inf) |
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Dir.glob('*.mp3') do | the_filename | | |
track = the_filename[0..2].strip() | |
File.rename(the_filename, "05-#{track}.mp3") | |
end |
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#!/usr/bin/env python | |
from lxml import html | |
import requests | |
import nltk | |
page = requests.get('http://nytimes.com') | |
tree = html.fromstring(page.text) | |
top_stories = tree.xpath('//*[@id="top-news"]/*//h2/a/text()') | |
more_stories = tree.xpath('//*[@id="main"]/div[10]/*//article/h2/a/text()') | |
all_stories = top_stories + more_stories |