ML
线性回归记录经济和失业数据。 有16行数据。 数据包括：
col 1: the index;
col 2: the percentage price deflation;
col 3: the GNP in millions of dollars;
col 4: the number of unemployed in thousands;
col 5: the number of people employed by the military;
col 6: the number of people over 14;
col 7: the year
col 8: prediction required- the number of people employed.
1 83.0 234289 2356 1590 107608 1947 60323 2 88
