TRIM 3.70 : TRend analysis and Indices for Monitoring data STATISTICS NETHERLANDS Date/Time: 3-10-2016 11:54:35 Title : skylark-4d Comment: Now with serial correlation The following 6 variables have been read from file: Z:\Users\patrick\Work\CBS\TRIM\wine\skylark_wt.dat 1. Site number of values: 55 2. Time number of values: 8 3. Count missing = 999 4. weight 5. HABITAT number of values: 2 6. COV2 number of values: 4 Number of observed zero counts 0 Number of observed positive counts 202 Total number of observed counts 202 Number of missing counts 238 Total number of counts 440 Total count 2536.0 Sites containing more than 10% of the total count Site Number Observed Total % 3 431.0 17.0 37 266.0 10.5 40 624.0 24.6 Time Point Averages Weighted Weighted TimePoint Observations Average Index Average Index 1 25 8.52 1.00 30.12 1.00 2 20 8.10 0.95 27.00 0.90 3 30 10.90 1.28 24.10 0.80 4 30 11.27 1.32 23.87 0.79 5 28 12.75 1.50 23.36 0.78 6 29 14.66 1.72 36.38 1.21 7 22 17.00 2.00 31.73 1.05 8 18 18.89 2.22 35.39 1.17 RESULTS FOR MODEL: Linear Trend -------------------------------- Changes in Slope at Timepoints 1 2 WEIGHTING = On ESTIMATION METHOD = Generalised Estimating Equations Total time used: 1.21 seconds Estimated Serial Correlation = 0.305 GOODNESS OF FIT Chi-square 193.36, df 145, p 0.0000 Likelihood Ratio 191.81, df 145, p 0.0000 AIC (up to a constant) -98.19 WALD-TEST FOR SIGNIFICANCE OF CHANGES IN SLOPE Changepoint Wald-Test df p 1 14.77 1 0.0001 2 19.87 1 0.0000 PARAMETER ESTIMATES Slope for Time Intervals from upto Additive std.err. Multiplicative std.err. 1 2 -0.3029 0.0788 0.7387 0.0582 2 8 0.0757 0.0136 1.0787 0.0146 Time INDICES Time Model std.err. Imputed std.err. 1 1 1 2 0.7387 0.0582 0.7567 0.0643 3 0.7968 0.0595 0.7971 0.0690 4 0.8595 0.0626 0.8100 0.0707 5 0.9272 0.0682 0.8038 0.0731 6 1.0001 0.0766 0.9194 0.0834 7 1.0788 0.0883 0.9631 0.0889 8 1.1637 0.1035 0.9939 0.0995 TIME TOTALS Time Model std.err. Imputed std.err. 1 1424 119 1536 126 2 1052 75 1162 87 3 1134 73 1224 88 4 1224 72 1244 89 5 1320 75 1234 94 6 1424 82 1412 102 7 1536 95 1479 109 8 1657 113 1526 125 OVERALL SLOPE MODEL (with intercept) Additive std.err. Multiplicative std.err. 0.0442 0.0116 1.0452 0.0121 OVERALL SLOPE IMPUTED (with intercept, recommended) Additive std.err. Multiplicative std.err. 0.0188 0.0129 1.0190 0.0132 OVERALL SLOPE MODEL (through base time point) Additive std.err. Multiplicative std.err. 0.0000 0.0153 1.0000 0.0153 OVERALL SLOPE IMPUTED (through base time point) Additive std.err. Multiplicative std.err. -0.0209 0.0161 0.9793 0.0158