| # File src/library/base/R/constants.R |
| # Part of the R package, https://www.R-project.org |
| # |
| # Copyright (C) 1995-2012 The R Core Team |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # A copy of the GNU General Public License is available at |
| # https://www.R-project.org/Licenses/ |
| |
| pi <- 4*atan(1) |
| |
| letters <- c("a","b","c","d","e","f","g","h","i","j","k","l", "m", |
| "n","o","p","q","r","s","t","u","v","w","x","y","z") |
| |
| LETTERS <- c("A","B","C","D","E","F","G","H","I","J","K","L", "M", |
| "N","O","P","Q","R","S","T","U","V","W","X","Y","Z") |
| |
| month.name <- |
| c("January", "February", "March", "April", "May", "June", |
| "July", "August", "September", "October", "November", "December") |
| |
| month.abb <- c("Jan", "Feb", "Mar", "Apr", "May", "Jun", |
| "Jul", "Aug", "Sep", "Oct", "Nov", "Dec") |