Created
May 23, 2017 04:50
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###### Settings | |
library(ggplot2) | |
library(dplyr) | |
library(stringr) | |
setwd("C:/Github/RealEstate") | |
thous<-function(x) { | |
x<-x/1000 | |
str_c("$",x,"K") | |
} | |
mills<-function(x) { | |
x<-x/1000000 | |
str_c("$",x,"M") | |
} | |
today<-gsub("-","",as.Date(Sys.time())) | |
###### Loading data | |
data<-read.csv("OaklandMultiTenant.csv") | |
###### Stripping $ and , | |
strip_dollar_comma<-function(x){ | |
as.numeric(gsub(",","",gsub("\\$","",as.character(x)))) | |
} | |
###### Formatting data | |
data$Closing.Date<-as.Date(as.character(data$Closing.Date),format="%m/%d/%Y") | |
data$Sold.Price<-strip_dollar_comma(data$Sold.Price) | |
data$LP<-strip_dollar_comma(data$LP) | |
## Total Beds/Baths | |
data$Bathrooms.1<-as.numeric(as.character(data$Bathrooms.1)) | |
data$Bathrooms.2<-as.numeric(as.character(data$Bathrooms.2)) | |
data$Bathrooms.3<-as.numeric(as.character(data$Bathrooms.3)) | |
data$Bathrooms.4<-as.numeric(as.character(data$Bathrooms.4)) | |
data$Bedrooms.1<-as.numeric(as.character(data$Bedrooms.1)) | |
data$Bedrooms.2<-as.numeric(as.character(data$Bedrooms.2)) | |
data$Bedrooms.3<-as.numeric(as.character(data$Bedrooms.3)) | |
data$Bedrooms.4<-as.numeric(as.character(data$Bedrooms.4)) | |
data$Bathrooms.1[is.na(data$Bathrooms.1)]<-0 | |
data$Bathrooms.2[is.na(data$Bathrooms.2)]<-0 | |
data$Bathrooms.3[is.na(data$Bathrooms.3)]<-0 | |
data$Bathrooms.4[is.na(data$Bathrooms.4)]<-0 | |
data$Bedrooms.1[is.na(data$Bedrooms.1)]<-0 | |
data$Bedrooms.2[is.na(data$Bedrooms.2)]<-0 | |
data$Bedrooms.3[is.na(data$Bedrooms.3)]<-0 | |
data$Bedrooms.4[is.na(data$Bedrooms.4)]<-0 | |
data$TotBath<-data$Bathrooms.1+data$Bathrooms.2+data$Bathrooms.3+data$Bathrooms.4 | |
data$TotBed<-data$Bedrooms.1+data$Bedrooms.2+data$Bedrooms.3+data$Bedrooms.4 | |
###### Theme | |
theme_plot2 <- theme( | |
axis.text.x = element_text(size=16,color='black',face='bold'), | |
panel.background = element_rect(fill='white',colour='gray50'), | |
panel.grid.minor = element_line('gray90'), | |
panel.grid.major = element_line(colour = 'gray90'), | |
axis.text.y = element_text(size=16,color='black',face='bold'), | |
axis.title.x = element_text(size=16,face='bold'), | |
axis.title.y = element_text(size=16,face='bold'), | |
legend.title=element_blank(), | |
legend.text = element_text(size=16,face='bold'), | |
legend.position = "bottom", | |
plot.title=element_text(size=20,face='bold'), | |
strip.text.x = element_text(size=18,face='bold') | |
) | |
###### Number of multi-tenant units sold by month | |
data$MONTH<-as.Date(paste0(substr(data$Closing.Date,0,7),"-01")) | |
data<-data[data$Closing.Date<="2017-03-31",] | |
month1<-data %>% group_by(MONTH) %>% summarise(LEN=length(Sold.Price)) | |
filename1<-paste0("OaklandSalesCount_",today,".jpeg") | |
jpeg(filename=filename1,width=1200,height=800,quality=100) | |
ggplot(data=month1,aes(x=MONTH,y=LEN)) + | |
geom_line(size=2) + theme_plot2 + | |
scale_x_date(date_breaks="12 months",date_labels="%b\n%Y") + | |
scale_y_continuous(breaks=seq(0,100,by=20)) + | |
ggtitle("Oakland MultiTenant Sales per Month") + xlab("") + ylab("") + | |
expand_limits(y=0) | |
dev.off() | |
###### Boxplot for Monthly Sale Price | |
filename2<-paste0("OaklandSalePriceBoxplot_",today,".jpeg") | |
jpeg(filename=filename2,width=1200,height=800,quality=100) | |
ggplot(data=data,aes(x=MONTH,y=Sold.Price,group=MONTH)) + | |
geom_boxplot(fill="lightblue",outlier.color=NA) + theme_plot2 + | |
scale_x_date(date_breaks="12 months",date_labels="%b\n%Y") + | |
ggtitle("Oakland MultiTenant Sold Price by Month") + xlab("") + ylab("") + | |
scale_y_continuous(breaks=seq(0,1500000,by=250000),labels=mills) + | |
coord_cartesian(ylim=c(0,1250000)) + | |
stat_summary(fun.y=mean,geom="line",size=2,aes(group=1,col="red")) + | |
theme(legend.position="none") | |
dev.off() | |
## Sale Price by # of Units | |
filename3<-paste0("OaklandSalePriceBoxplot_ByUnits_",today,".jpeg") | |
jpeg(filename=filename3,width=1800,height=1200,quality=100) | |
ggplot(data=data,aes(x=MONTH,y=Sold.Price,group=MONTH)) + | |
geom_boxplot(fill="lightblue",outlier.color=NA) + theme_plot2 + | |
facet_wrap(~Units) + | |
scale_x_date(date_breaks="24 months",date_labels="%b\n%Y") + | |
ggtitle("Oakland MultiTenant Sold Price by Month") + xlab("") + ylab("") + | |
scale_y_continuous(breaks=seq(0,1500000,by=250000),labels=mills) + | |
coord_cartesian(ylim=c(0,1250000)) + | |
stat_summary(fun.y=mean,geom="line",size=2,aes(group=1,col="red")) + | |
theme(legend.position="none") | |
dev.off() |
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