stephenturner
/ explore-correlations.r
Created
August 27, 2012 22:06
Exploring correlations with R using cor.prob and chart.Correlation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| ## Correlation matrix with p-values. See http://goo.gl/nahmV for documentation of this function | |
| cor.prob <- function (X, dfr = nrow(X) - 2) { | |
| R <- cor(X, use="pairwise.complete.obs") | |
| above <- row(R) < col(R) | |
| r2 <- R[above]^2 | |
| Fstat <- r2 * dfr/(1 - r2) | |
| R[above] <- 1 - pf(Fstat, 1, dfr) | |
| R[row(R) == col(R)] <- NA | |
| R | |
| } |
vankesteren
/ lantaarnpaal_utrecht.R
Last active
June 29, 2019 05:24
Creating a map with all the lampposts in Utrecht
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| library(tidyverse) | |
| lights_dat <- read_csv("https://ckan.dataplatform.nl/dataset/83402c68-1c05-4aa5-ab28-2e99d2bc2261/resource/dc10e0ac-351a-49b6-b3db-d0152c29dc02/download/paal-20180906.csv") | |
| pp <- | |
| lights_dat %>% | |
| filter(latitude > 50) %>% | |
| ggplot(aes(x = longitude, y = latitude)) + | |
| geom_point(alpha = 0.03, fill = "#FAFAAB", stroke = 0, pch = 21, size = 1.6) + | |
| geom_point(alpha = 0.8, fill = "#FAFAAB", stroke = 0, pch = 21, size = 0.2) + |