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rer145 / setup_scala.sh
Created March 28, 2018 23:47
Setting up Scala on Google Cloud Shell
#!/bin/bash
echo "deb https://dl.bintray.com/sbt/debian /" | sudo tee -a /etc/apt/sources.list.d/sbt.list
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2EE0EA64E40A89B84B2DF73499E82A75642AC823
sudo apt-get update
sudo apt-get install sbt
@rer145
rer145 / latex_slides.Rnw
Last active November 20, 2017 17:35
Creating a slide presentation with beamer and latex
\documentclass{beamer}
\begin{document}
\title{Positive and Negative Words in Dracula}
\author{Ron Richardson}
\begin{frame}
\titlepage
@rer145
rer145 / wordcloud2.R
Created November 16, 2017 02:18
Using wordcloud2 to make dynamic wordclouds
library(gutenbergr)
library(tidytext)
library(dplyr)
library(wordcloud2)
dracula<-gutenberg_download(345)
dracula$gutenberg_id<-NULL
dracula<-dracula%>%
unnest_tokens(word, text)
@rer145
rer145 / comparision_cloud.R
Last active November 16, 2017 02:19
Creating a comparison cloud in R with wordcloud
library(gutenbergr)
library(tidytext)
library(dplyr)
library(wordcloud)
dracula<-gutenberg_download(345)
dracula$gutenberg_id<-NULL
dracula<-dracula%>%
unnest_tokens(word, text)
@rer145
rer145 / ggplot_facet_wrap.R
Created November 11, 2017 00:53
Using facet_wrap in ggplot to compare plots side by side.
# Import the libraries used
library(gutenbergr)
library(tidytext)
library(dplyr)
library(ggplot2)
# Download text from Project Gutenberg
dracula<-gutenberg_download(345)
# Split the lines of text into words
@rer145
rer145 / basic_unittest.py
Created November 8, 2017 21:02
How to do a simple unit test in python
# Our function to test
def above_freezing(celcius):
""" (int) -> boolean
Return True if celcius is above zero, and False if not
"""
return celcius > 0
@rer145
rer145 / positive_dracula.R
Last active November 8, 2017 19:42
How to plot the top 10 positive words in a large set of text
library(gutenbergr)
library(tidytext)
library(dplyr)
library(ggplot2)
# Using Dracula as our example text, download it from Project Gutenberg
dracula<-gutenberg_download(345)
# Split each line of text into individual words
dracula<-dracula%>%
@rer145
rer145 / python_sorting.py
Last active November 11, 2017 01:11
Different sorting methods in python
def bubble_sort(L):
for i in range(len(L)-1, 0, -1):
for j in range(i):
if L[j] > L[j+1]:
temp = L[j]
L[j] = L[j+1]
L[j+1] = temp
def selection_sort(L):
@rer145
rer145 / file_prompts.py
Created November 7, 2017 00:11
Input and output file prompts in python
import os.path
def input_file_prompt():
""" () -> string
Precondition: none
This function returns back a filename that the user wants to read data from. It also checks to see
if the file already exists and if not, informs the users and prompts them to try again.
@rer145
rer145 / sentiments.R
Created November 7, 2017 00:09
How to match word sentiments to words with R
library(dplyr)
library(tidytext)
library(gutenbergr)
library(ggplot2)
# Get our data, the text of Frankenstein
dracula<-gutenberg_download(345)
# Remove the gutenberg_id field since we don't need it
dracula$gutenberg_id<-NULL