wahalulu

int2ip_sep <- function(int) {
   val <- sprintf("%x", int)
   pos <- matrix(c(seq(1,7,2), seq(2,8,2)), ncol = 2)
   spl <- apply(pos, 1, function(x) {substr(val, x[1], x[2])})
   as.numeric(sapply(spl, function(x) {sprintf("%d",
                                               as.numeric(paste("0x",
                                                                x, sep="")))}))
}

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library(hexbin)
library(ggplot2)
library(Hmisc)

## The following function cretes a hexbinplot from a dataset using ggplot
## for graphing but hexbin for doing the hexbinning.
## xvar and yvar are the x and y data
## bins is the number of bins to pass into the hexbin function
## cuts is the number of steps to use in a discrete color scale
make.hexbin.ggplot <- function(xvar, yvar, bins, cuts) {

wahalulu

Create a local Vagrant base box from an existing VirtualBox VM

What

• Setting up a new development VM should be as easy as 2 commands. And it is:
  • vagrant init; vagrant up
• In this example we are converting the HDP Sandbox to be used in this way. But the howto will work with any existing VM.

Why

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SLIDES := $(patsubst %.md,%.md.slides.pdf,$(wildcard *.md))
HANDOUTS := $(patsubst %.md,%.md.handout.pdf,$(wildcard *.md))

all : $(SLIDES) $(HANDOUTS)

%.md.slides.pdf : %.md
	pandoc $^ -t beamer --slide-level 2 -o $@

%.md.handout.pdf : %.md
	pandoc $^ -t beamer --slide-level 2 -V handout -o $@ 

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Homebrew build logs for gcc on Mac OS X 10.10.5
Build date: 2016-08-14 22:44:11

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#!/bin/bash
set -x -e

# AWS EMR bootstrap script 
# for installing open-source R (www.r-project.org) with RHadoop packages and RStudio on AWS EMR
#
# tested with AMI 4.0.0 (hadoop 2.6.0)
#
# schmidbe@amazon.de
# 24. September 2014

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#!/bin/bash
set -x -e

# Usage:
# --no-rstudio - don't install rstudio-server
# --sparklyr - install RStudio's sparklyr package
# --sparkr - install SparkR package
# --shiny - install Shiny server
#
# --user - set user for rstudio, default "hadoop"

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#!/bin/bash

# These variables can be overwritten using the arguments bellow
VERSION="1.0.110"
# drwho is listed as user in YARN's Resource Manager UI.
USER="drwho"
# Depending on where the EMR cluster lives, you might have to change this to avoid security issues.
# To change the default password (and user), use the arguments bellow.
# If the cluster is not visible on the Internet, you can just leave the defaults for convenience.
PASS="tardis"

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Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2:

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# install the package devtools
install.packages("devtools")
library(devtools)

# install the doAzureParallel and rAzureBatch package
install_github(c("Azure/rAzureBatch", "Azure/doAzureParallel"))