Population of South Korea

by each region and year

Jaewoo Song
Jobless

Population of South Korea

  1. There are population data of South Korea from 2009 to 2013.
  2. If you choose a region, a prediction on population of 2014 will be calculated and shown, using linear regression.
  3. Also there will be a graph showing population history from 2009 to 2013.

Linear Regression Prediction

Let's assume you choose Seoul.

# data were loaded in advance
# Seoul's population history
seoulDF

##   year population
## 1 2009      10104
## 2 2010      10051
## 3 2011      10026
## 4 2012       9976
## 5 2013       9991

# linear regression prediction of Seoul's 2014 population
as.numeric(predict(lmfit, newdata=data.frame(year=2014, population=0)))

## [1] 9939

Graph of population history

Let's still assume you choose Seoul.

plot of chunk unnamed-chunk-3

Data of Good Quality

The data was taken from 'Statistics Korea' ( http://kostat.go.kr/ )

You can search every single region of South Korea! Those are:

Seoul, Busan, Daegu, Incheon,

Gwangju, Daejeon, Ulsan, Gyeonggi,

Gangwon, Chungbuk, Chungnam, Jeonbuk,

Jeonnam, Gyeongbuk, Gyeongnam and Jeju!