Homework 4

library(tidyverse)

## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
## ✔ dplyr     1.1.4     ✔ readr     2.1.5
## ✔ forcats   1.0.0     ✔ stringr   1.5.1
## ✔ ggplot2   3.5.1     ✔ tibble    3.2.1
## ✔ lubridate 1.9.4     ✔ tidyr     1.3.1
## ✔ purrr     1.0.2     
## ── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
## ✖ dplyr::filter() masks stats::filter()
## ✖ dplyr::lag()    masks stats::lag()
## ℹ Use the conflicted package (<http://conflicted.r-lib.org/>) to force all conflicts to become errors

library(readxl)



data<-read_excel("district.xls")

library(pastecs)

## 
## Attaching package: 'pastecs'

## The following objects are masked from 'package:dplyr':
## 
##     first, last

## The following object is masked from 'package:tidyr':
## 
##     extract

pastecs::stat.desc(data$DZCAMPUS)

##      nbr.val     nbr.null       nbr.na          min          max        range 
## 1207.0000000    0.0000000    0.0000000    1.0000000  273.0000000  272.0000000 
##          sum       median         mean      SE.mean CI.mean.0.95          var 
## 8966.0000000    3.0000000    7.4283347    0.4850072    0.9515516  283.9250008 
##      std.dev     coef.var 
##   16.8500742    2.2683515

hist(data$DZCAMPUS)

dzcampuslog<-log(data$DZCAMPUS)

hist(dzcampuslog)