| # Copyright 2013 Cloudera, Inc. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| si_num <- function (x) { |
| |
| if (!is.na(x)) { |
| if (x >= 1e9) { |
| rem <- format(x/1e9, digits=3) |
| rem <- append(rem, "B"); |
| } else if (x >= 1e6) { |
| rem <- format(x/1e6, digits=3) |
| rem <- append(rem, "M"); |
| } else if (x > 1e3) { |
| rem <- format(x/1e3, digits=3) |
| rem <- append(rem, "K"); |
| } |
| else { |
| return(x); |
| } |
| |
| return(paste(rem, sep="", collapse="")); |
| } |
| else return(NA); |
| } |
| |
| si_vec <- function(x) { |
| sapply(x, FUN=si_num); |
| } |
| |