#importing data
library(readxl)
library(tidyverse)
## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
## ✔ dplyr 1.1.4 ✔ readr 2.1.6
## ✔ forcats 1.0.1 ✔ stringr 1.6.0
## ✔ ggplot2 4.0.1 ✔ tibble 3.3.1
## ✔ lubridate 1.9.4 ✔ tidyr 1.3.2
## ✔ purrr 1.2.1
## ── 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
selecthousehold<-read.csv("household.csv")
selectmortgage<-read.csv("mortgage.csv")
selectperson<-read.csv("person.csv")
selectproject<-read.csv("project.csv")
#summary stats for household - marketvalue data
cleanedselecthousehold <- selecthousehold %>% filter(PERPOVLVL > 0, MARKETVAL > 0)
summary(cleanedselecthousehold$MARKETVAL)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 1000 238520 392593 529330 626254 9999998
#histogram for household - marketvalue data
hist(cleanedselecthousehold$MARKETVAL)

#summary stats for household - percent of poverty level
summary(cleanedselecthousehold$PERPOVLVL)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 1.0 230.0 420.0 358.3 501.0 501.0
#histogram for household - percent of poverty level
hist(cleanedselecthousehold$PERPOVLVL)

#graph of percent of pov level as predictor of home value
plot(cleanedselecthousehold$PERPOVLVL, cleanedselecthousehold$MARKETVAL)

#correlation between percent of poverty level and marketvalue
#The correlation between these two variables is positive = but extremely weak at 0.18. This suggests that other factors contribute to household market value and percent of poverty level contributes very little to market value.
cor(cleanedselecthousehold$PERPOVLVL,cleanedselecthousehold$MARKETVAL)
## [1] 0.1814647