mikedecr

# Creates a 3D plot to demonstrate how a combination of OLS parameters minimizes residual sum of squares

# set values for X
x <- seq(-50, 50, 1)

# Y as a function of X with random error
y <- NA
for (i in 1:length(x)) {
	y[i] <- 2*x[i] + rnorm(1, 0, 5)
}

mikedecr

library(tidyr)
library(dplyr)
library(ggplot2)
library(cowplot) # for aesthetic purposes

set.seed(555)

df <- 
	data.frame(
		xrand = runif(100, min = 1, max = 10),

mikedecr

tidy.fix <- function(mod) {
	tidy(mod) %>%
	mutate(
		term = ifelse(term=="(Intercept)", "intercept", term))
}

mikedecr

fx <- function(model, design, predictor = design[,2], alpha = 0.05, reps = 10000, vc = vcov(model)){

	require(mvtnorm)
	require(sandwich)
	# sample from MV normal

	matrix.of.draws1 <- t(rmvnorm(n = reps, mean = coef(model), sigma = vc))

	design <- as.matrix(design)

mikedecr

mccrary <-
    function (runvar, cutpoint, bin = NULL, bw = NULL, verbose = FALSE,
    plot = TRUE, ext.out = FALSE, htest = FALSE)
    {
        library(rdd)
        runvar <- runvar[complete.cases(runvar)]
        rn <- length(runvar)
        rsd <- sd(runvar)
        rmin <- min(runvar)
        rmax <- max(runvar)

mikedecr

########################################

# Script to tweet if the date is a prime number (American date)

# (((European and International date formats coming soon)))

########################################

library(lubridate) # date functions
library(matlab) # contains isprime()

mikedecr

# ----------------------------------------------------
#   happy valentine's day
#   trig code from @dmi3k (https://twitter.com/dmi3k/status/963758478375444480)
# ----------------------------------------------------

library("tidyverse")
library("gganimate")

theme_set(theme_classic())

mikedecr

# ---- Heiss code -----------------------
#  From: https://gist.github.com/andrewheiss/5e162c836575721d1dd53ec2af38753c
#  by Andrew Heiss


library("magrittr")
library("tidyverse")
library("lubridate")
library("broom")
library("scales")

mikedecr

# ----------------------------------------------------
#   Installing packages for new R version.
#   Michael DeCrescenzo
#   
#   Hi, I'm a political science PhD student looking for 
#     a data science/quantitative research/statistics job.
#   Learn more at <mikedecr.github.io> and <github.com/mikedecr>
# 
#   This script deals with the following problem:
#   I upgraded to new major version of R, & I want to reinstall packages.

mikedecr

---
title: '`xaringanthemer` font problem MWE'
author:  Michael G. DeCrescenzo
date: | 
  `r format(Sys.time(), '%B %d, %Y')` 
---

Specifying a different font with `base_family` works fine.

```{r}