George Stagg georgestagg
georgestagg
/ app.R
Last active
May 21, 2024 08:28
Shinylive for R - Loading data in various formats
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| library(shiny) | |
| library(bslib) | |
| library(duckplyr) | |
| data1 <- readRDS("data.rds") | |
| data2 <- read.csv("data.csv") | |
| data3 <- df_from_parquet("data.parquet") | |
| ui <- page_fillable( | |
| titlePanel("Example: loading data formats"), |
georgestagg
/ mandeldrop.R
Created
July 26, 2022 19:03
Mandelbrot set, transformed into a teardrop shape, in R and Rcpp
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| Rcpp::sourceCpp("mandeldrop.cpp") | |
| xlims=c(-0.65,0.65) | |
| ylims=c(-0.6,2.2) | |
| m <- mandeldrop(xlims[[1]], xlims[[2]], ylims[[1]], ylims[[2]], 1560, 2160, 512) | |
| # Colour palette from https://stackoverflow.com/q/48069990 | |
| rainbow=c(rgb(0.47,0.11,0.53),rgb(0.27,0.18,0.73),rgb(0.25,0.39,0.81),rgb(0.30,0.57,0.75),rgb(0.39,0.67,0.60),rgb(0.51,0.73,0.44),rgb(0.67,0.74,0.32),rgb(0.81,0.71,0.26),rgb(0.89,0.60,0.22),rgb(0.89,0.39,0.18),rgb(0.86,0.13,0.13)) | |
| cols=c(colorRampPalette(rainbow)(100),rev(colorRampPalette(rainbow)(100)),"black") |