kransom14
mrdwab
/ stratified.R
Last active
April 27, 2024 19:57
Stratified random sampling from a `data.frame` in R
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| stratified <- function(df, group, size, select = NULL, | |
| replace = FALSE, bothSets = FALSE) { | |
| if (is.null(select)) { | |
| df <- df | |
| } else { | |
| if (is.null(names(select))) stop("'select' must be a named list") | |
| if (!all(names(select) %in% names(df))) | |
| stop("Please verify your 'select' argument") | |
| temp <- sapply(names(select), | |
| function(x) df[[x]] %in% select[[x]]) |
markheckmann
/ server.R
Created
November 19, 2013 23:23
client/server interaction with shiny - part 1
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| library(shiny) | |
| shinyServer( function(input, output, session) { | |
| output$results <- renderPrint({ | |
| input$mydata | |
| }) | |
| }) |
patchdynamics
/ USA_Contiguous_Albers_Equal_Area_Conic_USGS_version.prj
Created
August 26, 2015 21:54
Proj4 string for USA_Contiguous_Albers_Equal_Area_Conic_USGS_version, copied from http://geeohspatial.blogspot.com/2013/03/custom-srss-in-postgis-and-qgis.html
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| +proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +ellps=GRS80 +datum=NAD83 +units=m +no_defs |