| dc.description.abstract | The high rate of population growth is the main problem faced by the development of developing countries, including Indonesia. Population explosion occurred mainly due to a decreased level of mortality (death) while the population fertility rates can not be well controlled. The purpose of this study was to determine the socio economics factors that affect fertility (births) in the Province of West Java. Information factors can be used as one tool in population control considerations. This study used the data of National Socio economic Survey of West Java Province in 2011. Response variable in this study is the number of biological children born alive, whisch is continuous, so that the proper analysis is a regression tree with CART algorithm. Regression tree in urban produce 6 end nodes with the most effective explanatory variable is the contraception status, husband’s education, expenditure per capita per month, and the use of toilet. Regression tree in rural produce 5 end nodes with the most effective explanatory variable is the status of the use of family planning, expenditure per capita per month, and the use of toilet. | en |
