* SPLICING INDEX NUMBERS * * The data set is from Newbold, Statistics for Business and Economics, * Fourth Edition, 1995, Table 17.8, page 685. * Variable P71 is a price index with 1971 as the base period * and variable P76 is the price index with 1976 as the base period. SAMPLE 1 10 READ YEAR P71 P76 / LIST 1971 100.0 0.0 1972 92.2 0.0 1973 131.2 0.0 1974 212.0 0.0 1975 243.0 0.0 1976 198.5 100.0 1977 0.0 94.0 1978 0.0 86.7 1979 0.0 94.9 1980 0.0 107.0 * Assign variable PRICE as the spliced price index with base year 1976. GENR PRICE=P76 SAMPLE 1 6 * Compute the value of P71 at the new 1976 base point. GENR PRICE=P71*(P76:6/P71:6) SAMPLE 1 10 * Now print and plot all 10 years of the spliced index PRINT YEAR PRICE PLOT PRICE YEAR / NOWIDE STOP