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library(rayshader)
library(rayrender)

popdata = raster::raster("gpw_v4_population_density_rev11_2020_15_min.tif")

population_mat = rayshader:::flipud(raster_to_matrix(popdata))

above1 = population_mat > 1
above5 = population_mat > 5
above10 = population_mat > 10

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Cachulo aves

A Pen by Cristian Vargas on CodePen.

License.

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import json
from pprint import pprint as pp

def jenks_matrices_init(data, n_classes):
    #fill the matrices with data+1 arrays of n_classes 0s
    lower_class_limits = []
    variance_combinations = []
    for i in xrange(0, len(data)+1):
        temp1 = []
        temp2 = []

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CREATE EXTERNAL TABLE IF NOT EXISTS default.table
(
  `id` int,
  `name` string,
  `timestamp` string,
  `is_debug` boolean
)
ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.OpenCSVSerde'
WITH SERDEPROPERTIES (
  'escapeChar'='\\', 

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Postgres snippet

create database test_db;

create table t_random as select s, md5(random()::text) from generate_Series(1,5000) s;

Pyspark snippet

In [1]: df=spark.read.jdbc(url="jdbc:postgresql://localhost:5432/test_db", table="t_random", properties={"driver": "org.postgresql.Driver"}).repartition(10)

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Summary

I had a difficult time installing the units R package on the Partners ERIS servers.

I hope this post helps you to figure out how to work around the errors.

Instructions

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sudo yum -y update
sudo yum -y groupinstall 'Development Tools'
sudo yum install -y cmake git pkgconfig
sudo yum install -y libpng-devel libjpeg-turbo-devel jasper-devel openexr-devel libtiff-devel libwebp-devel
sudo yum install -y libdc1394-devel libv4l-devel gstreamer-plugins-base-devel
sudo yum install -y gtk2-devel
sudo yum install -y tbb-devel eigen3-devel
wget https://bootstrap.pypa.io/get-pip.py
sudo python get-pip.py

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import sys
from awsglue.transforms import *
from awsglue.utils import getResolvedOptions
from pyspark.context import SparkContext
from awsglue.context import GlueContext
from awsglue.job import Job
from pyspark.sql.functions import *
from awsglue.dynamicframe import DynamicFrame

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# this script has been tested and worked in a freshly installed Ubuntu 16.04 and 16.10
# it assumes that you are running airflow in a private netowrk and no need to be worry about outside access
# if that's not the case, the lines for PostgreSQL and Redis in this script need to be updated accordingly
# run as root
sudo su

# initial system updates and installs
apt-get update && apt-get upgrade -y && apt-get autoremove && apt-get autoclean

apt-get -y install build-essential binutils gcc make git htop nethogs tmux

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#!/usr/bin/env python3

from __future__ import print_function

import os
import sys

from airflow import settings
from airflow.models import Connection
from sqlalchemy.orm import exc