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pMap <- function(.l, .f, ...) { | |
.f <- rlang::as_function(.f, ...) | |
if (rlang::is_named(.l)) { | |
fun <- function(...) { | |
rlang::fn_env(.f) <- rlang::env(...) | |
.f(...) | |
} | |
} else { | |
fun <- .f |
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#' Uncomfortable data | |
#' LA R Users Group | |
#' 2020-09-22 | |
#' Edward Visel | |
#' Setup | |
library(tidyverse) | |
path <- '/tmp/nycflights13/flights.csv' |
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alistaire <- function(n){ | |
two_rows <- rep(seq_len(n/2L), each = 4L) | |
out_mat <- matrix(0L, n, n) | |
index_mat <- matrix(seq_len(n), nrow = 2L) | |
for (i in seq_len(n/2L)){ | |
out_mat[index_mat[, i], ] <- two_rows | |
two_rows <- two_rows + 1L | |
} | |
out_mat | |
} |
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library(tidyverse) | |
library(gganimate) | |
animate( | |
crossing( | |
p = seq(0.1, 5, by = 0.1), | |
theta = seq(0, 2*pi, length.out = 101) | |
) %>% | |
mutate(r = 1 / (abs(cos(theta))^p + abs(sin(theta))^p)^(1/p)) %>% | |
ggplot(aes(theta, r, fill = p)) + |
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library(tidyverse) | |
library(gganimate) | |
p <- crossing(t = (1:4)*pi/2, | |
x = seq(0, 2*pi, length = 501)) %>% | |
mutate(y = 2 - 2*sin(x) + sin(x) * sqrt(abs(cos(x)))/(sin(x) + 1.4), | |
x = (x + t) %% (2*pi)) %>% | |
ggplot(aes(x, y, color = x)) + | |
geom_path(size = 2, show.legend = FALSE) + | |
scale_color_gradient2(low = '#7a0177', mid = '#f768a1', high = '#fcc5c0') + |
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library(dplyr) | |
library(ggplot2) | |
library(gganimate) | |
### Horizontal rotation | |
p <- data_frame(x = c(-4, 0, 4), y = c(0, 3, 0), state = 1) %>% | |
bind_rows(mutate(., x = -x, state = 2)) %>% # frame flipped over y-axis | |
ggplot(aes(x, y, ymin = y, ymax = y + 1)) + | |
geom_ribbon() + |
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coalesce_join( | |
tribble( | |
~key, ~var1, ~var2, | |
'a', 1, NA, | |
'b', NA, 2 | |
), | |
tribble( | |
~key, ~var1, ~var2, | |
'a', NA, 1, | |
'b', 2, NA |
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--- | |
title: "Pythagorean Triples" | |
author: "Edward Visel" | |
output: | |
html_document: | |
df_print: paged | |
--- | |
```{r} | |
library(tidyverse) |
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# base R version | |
read.markdown <- function(file, stringsAsFactors = FALSE, strip.white = TRUE, ...){ | |
if (length(file) > 1) { | |
lines <- file | |
} else if (grepl('\n', file)) { | |
con <- textConnection(file) | |
lines <- readLines(con) | |
close(con) | |
} else { | |
lines <- readLines(file) |
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library(rvest) | |
library(tidyverse) | |
h <- read_html('https://projects.fivethirtyeight.com/congress-trump-score/house/') | |
trump_score <- h %>% | |
html_nodes('table.member-list') %>% | |
map(html_table, fill = TRUE) %>% | |
set_names(c('Senate', 'House')) %>% | |
map(set_names, |
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