July 2020

Using drake for ETL and building Shiny app for 900k CT real estate sales

July 21, 2020 | R on Redwall Analytics

# R Libraries for this blogdown post
# See Github for libraries used in drake project
library(data.table)
library(DT)

knitr::opts_chunk$set(
  fig.width = 15,
  fig.height = 8,
  out.width = '100%')
Introduction The State of Connecticut requires each of its 169 municipalities to report real estate sales used in the assessment process. All reported transactions by towns are published on the Office of Policy and Management (OPM) website. In the past, annual databases were disclosed with differing storage formats each year (...
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le compte est bon

July 21, 2020 | xi'an

The Riddler asks how to derive 24 from (1,2,3,8), with each number appearing once and all operations (x,+,/,-,^) allowed. This reminded me of a very old TV show on French TV, called Le compte est bon!, where players were given 5 or 6 numbers and supposed to find a given total within 60 ,seconds. ...
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Measuring Employee Engagement at DataCamp

July 21, 2020 | Martijn Theuwissen

At DataCamp, we started measuring employee engagement and satisfaction early on. We run these surveys regularly and anonymously using a platform called Culture Amp. The results of these surveys provide our management and People team with important inputs on the health of the team. As a company, we make an ...
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How to read and create Word Documents in R

July 21, 2020 | Andrew Treadway

Reading and creating word documents in R In this post we’ll talk about how to use R to read and create word files. We’ll primarily be using R’s officer package. For reading data from Word Documents with Python, click here. Creating Word reports with the officer package ...
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Demography Informal Methods Seminar – Population Projection and the Lee-Carter Model

July 20, 2020 | Corey Sparks, Ph.D. - UTSA Department of Demography

Population Projection One of the most fundamental forms of demographic analysis Uses age-structured rates of fertility and mortality to project the population structure forward into time Shows patterns of population growth and age composition in future populations Further analysis can show population growth rates and sensitivity of the growth rate ...
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A Bayesian model for a simulated meta-analysis

July 20, 2020 | Keith Goldfeld

This is essentially an addendum to the previous post where I simulated data from multiple RCTs to explore an analytic method to pool data across different studies. In that post, I used the nlme package to conduct a meta-analysis based on individual level data of 12 studies. Here, I am presenting ...
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Colorful tables in a terminal

July 20, 2020 | January

It all started when I wanted to have significant p-values shown on the terminal colored in red. The R terminal is capable of showing colors, simple formatting (like italics or bold) and Unicode characters, thanks to the actual terminal that does the job of displaying R output – whether it is ... [Read more...]

Statistical ecology

July 19, 2020 | R | Olivier Gimenez

Trained in mathematics and statistics in particular, I have developed a bottomless taste for questions in statistical ecology. I often resort to state-space models, and hidden Markov models (e.g., here and here) in particular, to develop statistical me... [Read more...]

Tidyverse Series – dplyr – Episode 1

July 19, 2020 | R Blogs

Introduction In this series, we are going to talk about data manipulation in R. The data we obtain or collect from various sources is usually unstructured or comprises information that is futile for our purpose. Therefore, spending time on the entire dataset is needless and inessential. So, Data Manipulation is ... [Read more...]

Posts

July 19, 2020 | R Blogs

[This article was first published on R Blogs, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on [Read more...]

Building A Neural Net from Scratch Using R – Part 1

July 19, 2020 | R Views

Akshaj is a budding deep learning researcher who loves to work with R. He has worked as a Research Associate at the Indian Institute of Science and as a Data Scientist at KPMG India. A lot of deep learning frameworks often abstract away the mechanics behind training a neural network. ...
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