Total Construction Spending on Residential (TLRESCONS) as of May 2017 is shown below. The spending is still below the peak before the financial crisis.
The spending on residential construction has been increasing above 10% since 2011. The spending on construction spending has been increasing at 2.7% as of May 2017.
The monthly changes in construction spending on residential decreased in May 2017.However, the changes from the same period in a previous year is still above 10%.
Source: Bureau of Census
library(Quandl)
library(ggplot2)
library(forecast)
library(quantmod)
getSymbols('TLRESCONS', src='FRED' ) # FRED
mydata<-(TLRESCONS)
write.table(mydata, "mydata.txt", sep=" ")
chartSeries(mydata)
names (mydata)[1] <- "Value"
Annual_Return <- annualReturn(mydata)*100
Monthly_Return <- monthlyReturn(mydata)*100
Weekly_Return <- weeklyReturn(mydata)*100
Diff=Delt(mydata, k=12)*100
plot(Diff, main='Changes from previous year')
summary(Monthly_Return)
Annual_Return
plot(Monthly_Return)
chartSeries(Monthly_Return)
addEMA()
addBBands()
barplot(Annual_Return, main='Annual Changes', col='blue')
barplot(last(Monthly_Return, '5 year'), main='Monthly Changes', col='red')
#Historigram
hist(Monthly_Return,
main="Histogram of Monthly Changes",
xlab="blue",
col="green",
prob=TRUE
)
lines(density(Monthly_Return))
barplot(Monthly, main='Monthly Changes',xlab='Year',
ylab= 'Percent Changes', col='red')
fit <- arima(Diff, order=c(1, 0, 0))
fit
# predictive accuracy
library(forecast)
accuracy(fit)
# predict next 5 observations
library(forecast)
forecast(fit, 12)
plot(forecast(fit,12))
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