# Testing MathJax and code snippets

Here are some math equations:

\[\frac{1}{N} \sum_{i=1}^N x_i\] \[y_i = \mathbf{X} \beta + \epsilon_i\]Here’s a python code snippet:

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import numpy as np
import pandas as pd
df = pd.read_csv("mydata.csv")

Here’s a R code snippet:

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rm(list=ls())
library(dplyr)
df <- read.csv("mydata.csv")

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