data fw01p05; title 'Chapter 1 Exercise 5';
input  OBS    YEAR    DAYS    TEMP ;
cards;
  1    1858      6     40.5
  2    1859     10     40.0
  3    1860     21     34.0
  4    1861      7     39.3
  5    1862     19     42.2
  6    1863     15     36.6
  7    1864      8     36.5
  8    1865     13     43.1
  9    1866     23     34.6
 10    1867     17     37.6
 11    1868     19     41.4
 12    1869     15     38.5
 13    1870     17     33.4
 14    1871     17     41.5
 15    1872     22     42.3
 16    1873     18     41.9
 17    1874     17     43.6
 18    1875     23     37.3
 19    1876     11     42.9
 20    1877     25     40.4
 21    1878     15     31.8
 22    1879     12     33.3
 23    1880      5     31.7
 24    1881      8     40.5
 25    1882      7     41.4
 26    1883     21     43.9
 27    1884     16     36.6
 28    1885     16     36.3
 29    1886     23     35.8
 30    1887     13     37.9
 31    1888      9     37.2
 32    1889     10     43.6
 33    1890     21     34.1
 34    1891     14     36.6
 35    1892     13     35.5
 36    1893     17     38.5
 37    1894     25     33.7
 38    1895     16     40.5
 39    1896      9     35.4
 40    1897     21     43.7
 41    1898      9     42.8
 42    1899     19     40.4
 43    1900     21     38.8
 44    1901     12     42.0
 45    1902     11     41.1
 46    1903     17     39.5
 47    1904     22     38.4
 48    1905      8     42.4
 49    1906     18     38.8
 50    1907      8     36.8
 51    1908     10     38.8
 52    1909     13     40.0
 53    1910     14     38.2
 54    1911     12     40.2
 55    1912     17     41.1
 56    1913     17     38.4
 57    1914     12     39.7
 58    1915     19     45.9
 59    1916     14     35.5
 60    1917     18     39.6
 61    1918     18     37.8
 62    1919     22     42.4
 63    1920     21     46.1
 64    1921     20     40.2
 65    1922     20     41.5
 66    1923     15     40.8
 67    1924     18     41.7
 68    1925     11     40.5
 69    1926     18     41.0
 70    1927     17     42.1
 71    1928     21     34.8
 72    1929     12     44.0
 73    1930     17     39.0
 74    1931     20     44.0
 75    1932     13     37.4
 76    1933     14     39.6
 77    1934     18     40.7
 78    1935     13     40.9
 79    1936     21     41.9
 80    1937     23     43.6
 81    1938     21     41.7
 82    1939     22     30.8
proc univariate plot;
var days temp;
proc plot;
plot temp*days / hpos=40 vpos=20;
run;