English: Freddie Mac weekly Primary Mortgage Market Survey (PMMS) from April 1971 to March 2024, showing 30-Yr FRM, 15-Yr FRM, and 5/1 ARMs. Source: https://www.freddiemac.com/pmms
# packageslibrary(tidyverse)# read pmms datadf<-read_csv("PMMS_history.csv")# make date into date formatdf<-df%>%mutate(date=as.Date(date,format="%m/%d/%Y"))# arrange data in tidy formatdf<-df%>%select(date,pmms30,pmms15,pmms51)%>%rename("30-Yr FRM"=2,"15-Yr FRM"=3,"5/1 ARM"=4)%>%pivot_longer(-date,names_to="rate_type",values_to="rate_value")# generate line plot for ratesdf%>%ggplot(aes(x=date,y=rate_value/100,color=rate_type))+geom_line()+scale_x_date(date_labels="%Y",date_breaks="8 years")+scale_y_continuous(labels=scales::percent)+labs(title="Primary Mortgage Market Survey (PMMS)",subtitle="U.S. Weekly Averages since April 1971",caption="Source: Freddie Mac",x="",y="",color="")+theme_bw()+theme(text=element_text(family="serif"),plot.title=element_text(hjust=0.5),plot.subtitle=element_text(hjust=0.5),legend.position=c(.88,.93),legend.background=element_blank())
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.