Jose Roberto Ayala Solares jroberayalas
jroberayalas
/ web_scraping_explanation.R
Created
August 2, 2017 12:17
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| explanation <- first_result %>% html_node(".short-truth") %>% html_text(trim = TRUE) | |
| str_sub(explanation, 2, -2) | |
| #> [1] "He was for an invasion before he was against it." |
jroberayalas
/ web_scraping_lie_3.R
Created
August 2, 2017 12:11
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| lie <- xml_contents(first_result)[2] %>% html_text(trim = TRUE) | |
| str_sub(lie, 2, -2) | |
| #> [1] "I wasn't a fan of Iraq. I didn't want to go into Iraq." |
jroberayalas
/ web_scraping_lie_2.R
Created
August 2, 2017 12:08
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| xml_contents(first_result)[2] %>% html_text(trim = TRUE) | |
| #> [1] "“I wasn't a fan of Iraq. I didn't want to go into Iraq.”" |
jroberayalas
/ web_scraping_lie_1.R
Created
August 2, 2017 12:04
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| xml_contents(first_result) | |
| #> {xml_nodeset (3)} | |
| #> [1] <strong>Jan. 21 </strong> | |
| #> [2] “I wasn't a fan of Iraq. I didn't want to go into Iraq.” | |
| #> [3] <span class="short-truth"><a href="https://www.buzzfeed.com/andrewkaczynski/in-2002-don ... |
jroberayalas
/ web_scraping_date_1.R
Last active
August 2, 2017 11:26
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| first_result <- results[1] | |
| first_result %>% html_nodes("strong") | |
| #> {xml_nodeset (1)} | |
| #> [1] <strong>Jan. 21 </strong> |
jroberayalas
/ web_scraping_date_2.R
Last active
August 2, 2017 11:20
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| first_result <- results[1] | |
| date <- first_result %>% html_nodes("strong") %>% html_text(trim = TRUE) | |
| library(stringr) | |
| str_c(date, ', 2017') | |
| #> [1] "Jan. 21, 2017" |
jroberayalas
/ web_scraping_collection.R
Last active
August 1, 2017 22:56
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| results <- webpage %>% html_nodes(".short-desc") | |
| results | |
| #> {xml_nodeset (116)} | |
| #> [1] <span class="short-desc"><strong>Jan. 21 </strong>“I wasn't a fan of Iraq. I didn't want to go into Ir ... | |
| #> [2] <span class="short-desc"><strong>Jan. 21 </strong>“A reporter for Time magazine — and I have been on t ... | |
| #> [3] <span class="short-desc"><strong>Jan. 23 </strong>“Between 3 million and 5 million illegal votes cause ... | |
| #> [4] <span class="short-desc"><strong>Jan. 25 </strong>“Now, the audience was the biggest ever. But this cr ... | |
| #> [5] <span class="short-desc"><strong>Jan. 25 </strong>“Take a look at the Pew reports (which show voter fr ... | |
| #> [6] <span class="short-desc"><strong>Jan. 25 </strong>“You had millions of people that now aren't insured ... | |
| #> [7] <span class="short-desc"><strong>Jan. 25 </strong>“So, look, when President Obama was there two weeks ... |
jroberayalas
/ web_scraping_read.R
Last active
August 1, 2017 22:57
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| library(rvest) | |
| webpage <- read_html("https://www.nytimes.com/interactive/2017/06/23/opinion/trumps-lies.html") | |
| webpage | |
| #> {xml_document} | |
| #> <html lang="en" class="no-js page-interactive section-opinion page-theme-standard tone-opinion page-interactive-default limit-small layout-xlarge app-interactive" itemid="https://www.nytimes.com/interactive/2017/06/23/opinion/trumps-lies.html" itemtype="http://schema.org/NewsArticle" itemscope="" xmlns:og="http://opengraphprotocol.org/schema/"> | |
| #> [1] <head>\n<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">\n<title>President Trump’s L ... | |
| #> [2] <body>\n \n <style>\n .lt-ie10 .messenger.suggestions {\n display: block !important;\n ... |
jroberayalas
/ bikes_plot.R
Created
April 17, 2017 00:03
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| # Final plot | |
| p <- ggplot() | |
| p <- p + geom_point(data = train, aes(x = ds, y = y), size = 0.5) | |
| p <- p + geom_line(data = forecast, aes(x = ds, y = yhat), color = "#0072B2") | |
| p <- p + geom_ribbon(data = forecast, aes(x = ds, ymin = yhat_lower, ymax = yhat_upper), fill = "#0072B2", alpha = 0.3) | |
| p <- p + geom_point(data = valid, aes(x = ds, y = y), size = 0.5, color = '#4daf4a') | |
| p <- p + geom_point(data = test, aes(x = ds, y = y), size = 0.5, color = 'red') | |
| p |
jroberayalas
/ bikes_retrain.R
Created
April 16, 2017 23:48
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| # Retrain using train and validation set | |
| retrain <- bind_rows(train, valid) | |
| retrain$cap <- best_params$capacity | |
| m <- prophet(retrain, growth = best_params$growth, holidays = holidays, | |
| seasonality.prior.scale = best_params$seasonality_prior_scale, | |
| changepoint.prior.scale = best_params$changepoint_prior_scale, | |
| holidays.prior.scale = best_params$holidays_prior_scale) | |
| future <- make_future_dataframe(m, periods = 184) | |
| future$cap <- best_params$capacity |