Friday, April 16, 2010

The population of the Philippines.


Here is a table suitable for free statistical and data analysis software R of the population of the Philippines. Data was obtained from a website "http://www.populstat.info/Asia/philippc.htm"


Year Pop                                         
1830 2500000                                      
1840 2675500                                      
1850 3815900                                      
1867 4319000                                      
1870 5561200                                      
1876 6173600                                      
1878 6163600                                      
1881 5985000                                      
1887 6985100                                      
1890 6621000                                      
1895 7004000                                      
1900 7409000                                      
1901 7492000                                      
1902 7577000                                      
1903 7635400                                      
1904 7659000                                      
1905 7699000                                      
1906 7761000                                      
1907 7844000                                      
1908 7964000                                      
1909 8189800                                      
1910 8220000                                      
1911 8368400                                      
1912 8576000                                      
1913 8785000                                      
1914 9016000                                      
1915 9268000                                      
1916 9542000                                      
1917 9836000                                      
1918 10314300                                     
1919 10324000                                     
1920 10445000                                     
1921 10821900                                     
1922 10991100                                     
1923 11152000                                     
1924 11405000                                     
1925 11665000                                     
1926 11583000                                     
1927 12353900                                     
1928 12498000                                     
1929 12792000                                     
1930 13094000                                     
1931 13405000                                     
1932 13724000                                     
1933 14051000                                     
1934 14387000                                     
1935 14731000                                     
1936 15084000                                     
1937 15445000                                     
1938 15984200                                     
1939 16000300                                     
1940 16356000                                     
1941 16952000                                     
1942 17039000                                     
1943 17419000                                     
1944 17757000                                     
1945 18846800                                     
1946 18434000                                     
1947 18762000                                     
1948 19144000                                     
1949 19674000                                     
1950 20275000                                     
1951 20894000                                     
1952 21533000                                     
1953 22191000                                     
1954 22869000                                     
1955 23568000                                     
1956 24288000                                     
1957 25030000                                     
1958 25795000                                     
1959 26584000                                     
1960 27377000                                     
1961 28214000                                     
1962 29064000                                     
1963 29939000                                     
1964 30841000                                     
1965 31770000                                     
1966 32727000                                     
1967 33713000                                     
1968 34728000
1969 35774000
1970 36852000
1971 37902000
1972 38991000
1973 40123000
1974 41297000
1975 42071000
1976 43751000
1977 45081000
1978 46113000
1979 47185000
1980 48317000
1981 49522000
1982 50791000
1983 52097000
1984 53398000
1985 54668000
1986 55895000
1987 57091000
1988 58282000
1989 59502000
1990 60779000
1991 62119000
1992 63512000
1993 64943000
1994 66391000
1995 68595000
1996 71899000
1997 73527000
1998 75174000
1999 74259000
2000 76498700
2001 78182000
2005 85599000
2010 93774000
2015 101404000
2020 108236000
2025 114842000
2030 121448000
2050 150272000

can easily plot this data via the command plot(D,type = "b"). This command will plot the points as circles and connect each successive points by a line.

The circles indicate data points. If you want a line type, without the circles, we can issue instead in the command line plot(D,type="l"). Notice the exponential form of the data especially in the middle portion. Now let us try something different. plot(D $ Year, log(D $ Pop), type="b")



This almost straighten the population curve.






I am having problem with putting a dollar sign inside a "&< tt &>" block.

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