Table 1. Coal Production, CLPRPUSY (million short tons per day)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| CLPRPUSY | 16 | 231 | 4.3328 | 0.0188 | 0.137 | 0.837 | 0.826 | 2.225 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| CLPR_01 | 1.878418 | 0.0564 | 33.31 | Constant Coefficient |
| CLPR_18 | -0.9765 | 0.115 | -8.49 | STRIKE2 = 1 for labor strike from April 1981 - May 1981, 0 otherwise |
| CLPR_02 | 0.003444 | 0.000226 | 15.27 | TIME = 1 to n, where n = number of observation |
| CLPR_06 | 0.071791 | 0.0353 | 2.03 | JAN = 1 if January, 0 otherwise |
| CLPR_07 | 0.247172 | 0.0427 | 5.79 | FEB = 1 if February, 0 otherwise |
| CLPR_08 | 0.266342 | 0.0457 | 5.83 | MAR = 1 if March, 0 otherwise |
| CLPR_09 | 0.108899 | 0.0473 | 2.3 | APR = 1 if April, 0 otherwise |
| CLPR_10 | 0.052598 | 0.0478 | 1.1 | MAY = 1 if May, 0 otherwise |
| CLPR_11 | 0.11702 | 0.0476 | 2.46 | JUN = 1 if June, 0 otherwise |
| CLPR_12 | -0.08994 | 0.0475 | -1.89 | JUL = 1 if July, 0 otherwise |
| CLPR_13 | 0.23513 | 0.0474 | 4.96 | AUG = 1 if August, 0 otherwise |
| CLPR_14 | 0.224324 | 0.0463 | 4.85 | SEP = 1 if September, 0 otherwise |
| CLPR_15 | 0.210833 | 0.0433 | 4.87 | OCT = 1 if October, 0 otherwise |
| CLPR_16 | 0.126332 | 0.0359 | 3.52 | NOV = 1 if November, 0 otherwise |
| CLPRPUSY_L1 | 0.455201 | 0.0584 | 7.8 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1981 through July 2001 |
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Table 2. Electric Utility Coal Stocks, CLSEPUSX (million short tons)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| CLSEPUSX | 15 | 122 | 1086.6 | 8.9063 | 2.9843 | 0.982 | 0.980 | 0.850 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| CLSE_01 | 317.0987 | 91.5404 | 3.46 | Constant Coefficient |
| CLSE_02 | -16.8239 | 3.9256 | -4.29 | CLEUPUS, coal demand by electric utilities |
| CLSE_18 | -0.56383 | 0.2998 | -1.88 | TIME = 1 to n, where n = number of observation |
| CLSE_06 | -2.98752 | 0.8521 | -3.51 | JAN = 1 if January, 0 otherwise |
| CLSE_07 | -2.14374 | 1.1625 | -1.84 | FEB = 1 if February, 0 otherwise |
| CLSE_08 | -0.22942 | 1.5799 | -0.15 | MAR = 1 if March, 0 otherwise |
| CLSE_09 | 4.127616 | 1.916 | 2.15 | APR = 1 if April, 0 otherwise |
| CLSE_10 | 9.418798 | 1.8327 | 5.14 | MAY = 1 if May, 0 otherwise |
| CLSE_11 | 11.12716 | 1.5535 | 7.16 | JUN = 1 if June, 0 otherwise |
| CLSE_12 | 4.213704 | 1.7151 | 2.46 | JUL = 1 if July, 0 otherwise |
| CLSE_13 | -0.33326 | 1.6583 | -0.2 | AUG = 1 if August, 0 otherwise |
| CLSE_14 | -3.27332 | 1.3624 | -2.4 | SEP = 1 if September, 0 otherwise |
| CLSE_15 | -1.71485 | 1.3382 | -1.28 | OCT = 1 if October, 0 otherwise |
| CLSE_16 | 0.933005 | 0.999 | 0.93 | NOV = 1 if November, 0 otherwise |
| CLSEPUSX_L1 | 0.973425 | 0.0195 | 49.82 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1990 through May 2001 |
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Table 3. Retail and General Industry Coal Stocks, CLSOPUSX (million short tons)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| CLSOPUSX | 15 | 122 | 1.6125 | 0.0132 | 0.115 | 0.990 | 0.989 | 0.799 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| CLSO_01 | 12.59285 | 1.7317 | 7.27 | Constant Coefficient |
| CLSO_02 | -0.06395 | 1.285 | -0.05 | CLZCPUS, retail and general industry coal demand |
| CLSO_18 | -0.02443 | 0.00612 | -3.99 | TIME = 1 to n, where n = number of observation |
| CLSO_06 | -0.33974 | 0.0356 | -9.54 | JAN = 1 if January, 0 otherwise |
| CLSO_07 | -0.67749 | 0.0447 | -15.15 | FEB = 1 if February, 0 otherwise |
| CLSO_08 | -1.01983 | 0.0562 | -18.14 | MAR = 1 if March, 0 otherwise |
| CLSO_09 | -0.96319 | 0.0661 | -14.56 | APR = 1 if April, 0 otherwise |
| CLSO_10 | -0.8799 | 0.0778 | -11.31 | MAY = 1 if May, 0 otherwise |
| CLSO_11 | -0.79848 | 0.073 | -10.93 | JUN = 1 if June, 0 otherwise |
| CLSO_12 | -0.59118 | 0.0729 | -8.11 | JUL = 1 if July, 0 otherwise |
| CLSO_13 | -0.38626 | 0.0716 | -5.39 | AUG = 1 if August, 0 otherwise |
| CLSO_14 | -0.18288 | 0.0642 | -2.85 | SEP = 1 if September, 0 otherwise |
| CLSO_15 | -0.12087 | 0.0507 | -2.38 | OCT = 1 if October, 0 otherwise |
| CLSO_16 | -0.06131 | 0.0339 | -1.81 | NOV = 1 if November, 0 otherwise |
| CLSOPUSX_L1 | 0.959281 | 0.0251 | 38.27 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1990 through May 2001 |
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Table 4. Coking Coal Stocks, CLSKPUSX (million short tons)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| CLSKPUSX | 15 | 122 | 0.9905 | 0.00812 | 0.0901 | 0.973 | 0.970 | 1.07 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| CLSK_01 | 5.42472 | 0.6754 | 8.03 | Constant Coefficient |
| CLSK_02 | 3.854149 | 2.7235 | 1.42 | CLKCPUS, coking coal demand |
| CLSK_18 | -0.01323 | 0.00225 | -5.88 | TIME = 1 to n, where n = number of observation |
| CLSK_06 | 0.026029 | 0.0263 | 0.99 | JAN = 1 if January, 0 otherwise |
| CLSK_07 | 0.044623 | 0.0353 | 1.26 | FEB = 1 if February, 0 otherwise |
| CLSK_08 | 0.067485 | 0.0411 | 1.64 | MAR = 1 if March, 0 otherwise |
| CLSK_09 | 0.057346 | 0.045 | 1.28 | APR = 1 if April, 0 otherwise |
| CLSK_10 | 0.094009 | 0.0471 | 2.00 | MAY = 1 if May, 0 otherwise |
| CLSK_11 | 0.13248 | 0.0481 | 2.76 | JUN = 1 if June, 0 otherwise |
| CLSK_12 | 0.050631 | 0.0476 | 1.06 | JUL = 1 if July, 0 otherwise |
| CLSK_13 | -0.00952 | 0.0458 | -0.21 | AUG = 1 if August, 0 otherwise |
| CLSK_14 | -0.07214 | 0.0425 | -1.7 | SEP = 1 if September, 0 otherwise |
| CLSK_15 | -0.04104 | 0.0366 | -1.12 | OCT = 1 if October, 0 otherwise |
| CLSK_16 | -0.02506 | 0.0273 | -0.92 | NOV = 1 if November, 0 otherwise |
| CLSKPUSX_L1 | 0.903204 | 0.0378 | 23.87 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1990 through May 2001 |
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Table 5. Residential Coal Demand, CLRCPUS (million short tons per day)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| CLRCPUS | 16 | 236 | 0.00025 | 0.000001 | 0.00103 | 0.8617 | 0.8529 | 1.957 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| CLRC_01 | 0.007236 | 0.00104 | 6.94 | Constant Coefficient |
| CLRC_02 | 0.002471 | 0.000561 | 4.41 | D8401ON = 1 if January 1984 or later, 0 otherwise |
| CLRC_03 | -0.00002 | 0.000002 | -7.82 | TREND84 = TIME starting January 1984, 0 otherwise |
| CLRC_04 | 6.92E-06 | 0.000001 | 5.94 | ZWHDPUS, heating degree-days, population weighted, United States |
| CLRC_05 | -0.00249 | 0.000282 | -8.82 | JAN = 1 if January, 0 otherwise |
| CLRC_06 | -0.00207 | 0.000338 | -6.14 | FEB = 1 if February, 0 otherwise |
| CLRC_07 | -0.00396 | 0.000428 | -9.26 | MAR = 1 if March, 0 otherwise |
| CLRC_08 | -0.0009 | 0.000664 | -1.36 | APR = 1 if April, 0 otherwise |
| CLRC_09 | -0.00243 | 0.000864 | -2.81 | MAY = 1 if May, 0 otherwise |
| CLRC_10 | -0.0019 | 0.000985 | -1.92 | JUN = 1 if June, 0 otherwise |
| CLRC_11 | -0.00017 | 0.00101 | -0.17 | JUL = 1 if July, 0 otherwise |
| CLRC_12 | -0.00044 | 0.00101 | -0.44 | AUG = 1 if August, 0 otherwise |
| CLRC_13 | -0.00058 | 0.000943 | -0.62 | SEP = 1 if September, 0 otherwise |
| CLRC_14 | -0.00204 | 0.000715 | -2.85 | OCT = 1 if October, 0 otherwise |
| CLRC_15 | -0.00115 | 0.000425 | -2.72 | NOV = 1 if November, 0 otherwise |
| CLRCPUS_L1 | 0.465769 | 0.058 | 8.03 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1980 through December 2000 |
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Table 6. Commercial Coal Demand, CLCCPUS (million short tons per day)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| CLCCPUS | 16 | 236 | 0.000562 | 0.000002 | 0.00154 | 0.862 | 0.853 | 1.96 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| CLCC_01 | 0.010854 | 0.00156 | 6.94 | Constant Coefficient |
| CLCC_02 | 0.003707 | 0.000841 | 4.41 | D8401ON = 1 if January 1984 or later, 0 otherwise |
| CLCC_03 | -0.00003 | 0.000003 | -7.82 | TREND84 = TIME starting January 1984, 0 otherwise |
| CLCC_04 | 0.00001 | 0.000002 | 5.94 | ZWHDPUS, heating degree-days, population weighted, United States |
| CLCC_05 | -0.00374 | 0.000424 | -8.82 | JAN = 1 if January, 0 otherwise |
| CLCC_06 | -0.00311 | 0.000507 | -6.14 | FEB = 1 if February, 0 otherwise |
| CLCC_07 | -0.00594 | 0.000641 | -9.26 | MAR = 1 if March, 0 otherwise |
| CLCC_08 | -0.00135 | 0.000996 | -1.36 | APR = 1 if April, 0 otherwise |
| CLCC_09 | -0.00365 | 0.0013 | -2.81 | MAY = 1 if May, 0 otherwise |
| CLCC_10 | -0.00284 | 0.00148 | -1.92 | JUN = 1 if June, 0 otherwise |
| CLCC_11 | -0.00025 | 0.00152 | -0.17 | JUL = 1 if July, 0 otherwise |
| CLCC_12 | -0.00066 | 0.00151 | -0.44 | AUG = 1 if August, 0 otherwise |
| CLCC_13 | -0.00088 | 0.00141 | -0.62 | SEP = 1 if September, 0 otherwise |
| CLCC_14 | -0.00306 | 0.00107 | -2.85 | OCT = 1 if October, 0 otherwise |
| CLCC_15 | -0.00173 | 0.000638 | -2.72 | NOV = 1 if November, 0 otherwise |
| CLCCPUS_L1 | 0.465766 | 0.058 | 8.03 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1980 through December 2000 |
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Table 7. Other Industrial Coal Demand, CLXCPUS (million short tons per day)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| CLXCPUS | 16 | 236 | 0.0152 | 0.000064 | 0.00802 | 0.8092 | 0.797 | 1.7995 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| CLXC_01 | 0.202514 | 0.0354 | 5.72 | Constant Coefficient |
| CLXC_02 | 0.032514 | 0.00953 | 3.41 | D8401ON = 1 if January 1984 or later, 0 otherwise |
| CLXC_03 | -0.00013 | 0.000085 | -1.52 | TREND84 = TIME starting January 1984, 0 otherwise |
| CLXC_04 | -0.01183 | 0.0478 | -0.25 | ZOSIIUS, coal weighted industrial production index |
| CLXC_05 | -0.00354 | 0.00197 | -1.8 | JAN = 1 if January, 0 otherwise |
| CLXC_06 | 0.006823 | 0.00248 | 2.75 | FEB = 1 if February, 0 otherwise |
| CLXC_07 | -0.01361 | 0.00273 | -4.98 | MAR = 1 if March, 0 otherwise |
| CLXC_08 | -0.0175 | 0.00286 | -6.11 | APR = 1 if April, 0 otherwise |
| CLXC_09 | -0.02826 | 0.00293 | -9.66 | MAY = 1 if May, 0 otherwise |
| CLXC_10 | -0.02607 | 0.00294 | -8.85 | JUN = 1 if June, 0 otherwise |
| CLXC_11 | -0.02858 | 0.00292 | -9.77 | JUL = 1 if July, 0 otherwise |
| CLXC_12 | -0.02673 | 0.00286 | -9.35 | AUG = 1 if August, 0 otherwise |
| CLXC_13 | -0.02359 | 0.00273 | -8.66 | SEP = 1 if September, 0 otherwise |
| CLXC_14 | -0.01313 | 0.00247 | -5.31 | OCT = 1 if October, 0 otherwise |
| CLXC_15 | -0.00237 | 0.00196 | -1.21 | NOV = 1 if November, 0 otherwise |
| CLXCPUS_L1 | 0.592343 | 0.0535 | 11.07 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1980 through December 2000 |
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Table 8. Electric Utility Coal Demand, CLEUPUS (million short tons per day)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| CLEUPUS | 16 | 37 | 0.00520 | 0.000141 | 0.0119 | 0.997 | 0.996 | 1.954 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| CLEU_01 | 0.211837 | 0.1094 | 1.94 | Constant Coefficient |
| CLEU_02 | 0.451568 | 0.0137 | 32.88 | CLEOPUS, utility coal-fired electricity generation |
| CLEU_18 | 0.000179 | 0.000173 | 1.03 | TIME = 1 to n, where n = number of observation |
| CLEU_06 | 0.004819 | 0.0075 | 0.64 | JAN = 1 if January, 0 otherwise |
| CLEU_07 | -0.00352 | 0.00858 | -0.41 | FEB = 1 if February, 0 otherwise |
| CLEU_08 | -0.039 | 0.0106 | -3.69 | MAR = 1 if March, 0 otherwise |
| CLEU_09 | -0.05254 | 0.0124 | -4.25 | APR = 1 if April, 0 otherwise |
| CLEU_10 | -0.02791 | 0.0107 | -2.61 | MAY = 1 if May, 0 otherwise |
| CLEU_11 | 0.00434 | 0.00853 | 0.51 | JUN = 1 if June, 0 otherwise |
| CLEU_12 | 0.034179 | 0.00998 | 3.43 | JUL = 1 if July, 0 otherwise |
| CLEU_13 | 0.035656 | 0.00974 | 3.66 | AUG = 1 if August, 0 otherwise |
| CLEU_14 | 0.001895 | 0.00845 | 0.22 | SEP = 1 if September, 0 otherwise |
| CLEU_15 | -0.0095 | 0.00934 | -1.02 | OCT = 1 if October, 0 otherwise |
| CLEU_16 | -0.00459 | 0.00902 | -0.51 | NOV = 1 if November, 0 otherwise |
| CLEUPUS_L1 | 0.124447 | 0.1679 | 0.74 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1997 through May 2001 |
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Table 9. Raw Steel Production, RSPRPUSA (million short tons per day)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| RSPRPUSA | 5 | 157 | 0.0062 | 0.000039 | 0.00628 | 0.9211 | 0.9191 | 2.184 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| RSP_01 | 0.221104 | 0.0194 | 11.42 | Constant Coefficient |
| RSP_02 | 0.000222 | 0.000106 | 2.09 | KRDRXUS, change in manufacturing inventories |
| RSP_03 | 0.000085 | 0.00003 | 2.8 | I87RXUS, private fixed investment |
| RSP_04 | -0.00019 | 0.000194 | -0.99 | TIME = 1 to n, where n = number of observation |
| RSPRPUSA_L1 | 0.855904 | 0.0367 | 23.31 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1987 through June 2001 |
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Table 10. Coke Consumption / Coke-based Raw Steel Production, K1 (fraction)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| K1 | 14 | 148 | 0.074 | 0.0005 | 0.0224 | 0.835 | 0.821 | 1.957 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| K1_01 | 0.625224 | 0.0208 | 30.11 | Constant Coefficient |
| K1_02 | -0.00092 | 0.000085 | -10.83 | TIME = 1 to n, where n = number of observation |
| K1_06 | 0.009621 | 0.00683 | 1.41 | JAN = 1 if January, 0 otherwise |
| K1_07 | 0.044666 | 0.00856 | 5.22 | FEB = 1 if February, 0 otherwise |
| K1_08 | -0.00404 | 0.00938 | -0.43 | MAR = 1 if March, 0 otherwise |
| K1_09 | 0.001724 | 0.0098 | 0.18 | APR = 1 if April, 0 otherwise |
| K1_10 | -0.00815 | 0.01 | -0.81 | MAY = 1 if May, 0 otherwise |
| K1_11 | 0.012622 | 0.0101 | 1.25 | JUN = 1 if June, 0 otherwise |
| K1_12 | 0.013358 | 0.0101 | 1.32 | JUL = 1 if July, 0 otherwise |
| K1_13 | 0.015481 | 0.00999 | 1.55 | AUG = 1 if August, 0 otherwise |
| K1_14 | 0.02252 | 0.00958 | 2.35 | SEP = 1 if September, 0 otherwise |
| K1_15 | -0.00995 | 0.00876 | -1.14 | OCT = 1 if October, 0 otherwise |
| K1_16 | 0.005554 | 0.00703 | 0.79 | NOV = 1 if November, 0 otherwise |
| K1_L1 | 0.557056 | 0.0689 | 8.09 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1987 through June 2001 |
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Table 11. Coke Net Imports/Coke Consumption, K2 (fraction)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| K2 | 14 | 148 | 0.2991 | 0.00202 | 0.045 | 0.362 | 0.306 | 2.124 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| K2_01 | -0.09776 | 0.0254 | -3.85 | Constant Coefficient |
| K2_02 | 0.000634 | 0.000096 | 6.59 | TIME = 1 to n, where n = number of observation |
| K2_06 | 0.029373 | 0.0157 | 1.88 | JAN = 1 if January, 0 otherwise |
| K2_07 | 0.007281 | 0.0173 | 0.42 | FEB = 1 if February, 0 otherwise |
| K2_08 | 0.025797 | 0.0176 | 1.46 | MAR = 1 if March, 0 otherwise |
| K2_09 | 0.027411 | 0.0177 | 1.55 | APR = 1 if April, 0 otherwise |
| K2_10 | 0.011914 | 0.0177 | 0.67 | MAY = 1 if May, 0 otherwise |
| K2_11 | 0.012925 | 0.0177 | 0.73 | JUN = 1 if June, 0 otherwise |
| K2_12 | 0.019692 | 0.018 | 1.09 | JUL = 1 if July, 0 otherwise |
| K2_13 | 0.019364 | 0.018 | 1.07 | AUG = 1 if August, 0 otherwise |
| K2_14 | 0.009157 | 0.018 | 0.51 | SEP = 1 if September, 0 otherwise |
| K2_15 | 0.018632 | 0.0176 | 1.06 | OCT = 1 if October, 0 otherwise |
| K2_16 | 0.002064 | 0.016 | 0.13 | NOV = 1 if November, 0 otherwise |
| K2_L1 | 0.214492 | 0.0804 | 2.67 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1987 through June 2001 |
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Table 12. Coke Stocks/Coke Consumption, K3 (fraction)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| K3 | 14 | 148 | 0.6081 | 0.00411 | 0.0641 | 0.909 | 0.901 | 1.899 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| K3_01 | 0.700065 | 0.4554 | 1.54 | Constant Coefficient |
| K3_02 | -0.00029 | 0.00183 | -0.16 | TIME = 1 to n, where n = number of observation |
| K3_06 | -0.06796 | 0.0169 | -4.01 | JAN = 1 if January, 0 otherwise |
| K3_07 | -0.06301 | 0.0229 | -2.76 | FEB = 1 if February, 0 otherwise |
| K3_08 | -0.05835 | 0.0266 | -2.19 | MAR = 1 if March, 0 otherwise |
| K3_09 | -0.04284 | 0.029 | -1.48 | APR = 1 if April, 0 otherwise |
| K3_10 | -0.03869 | 0.0305 | -1.27 | MAY = 1 if May, 0 otherwise |
| K3_11 | -0.03478 | 0.031 | -1.12 | JUN = 1 if June, 0 otherwise |
| K3_12 | -0.02891 | 0.0308 | -0.94 | JUL = 1 if July, 0 otherwise |
| K3_13 | -0.02462 | 0.0296 | -0.83 | AUG = 1 if August, 0 otherwise |
| K3_14 | -0.02056 | 0.0273 | -0.75 | SEP = 1 if September, 0 otherwise |
| K3_15 | -0.00702 | 0.0235 | -0.3 | OCT = 1 if October, 0 otherwise |
| K3_16 | -0.00341 | 0.0175 | -0.19 | NOV = 1 if November, 0 otherwise |
| K3_L1 | 0.939403 | 0.0256 | 36.64 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1987 through June 2001 |
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Table 13. Coking Coal Consumption/Coke Production, K4 (fraction)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| K4 | 14 | 148 | 0.2322 | 0.00157 | 0.0396 | 0.521 | 0.479 | 2.054 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| K4_01 | 1.448708 | 0.0238 | 60.75 | Constant Coefficient |
| K4_02 | -0.00023 | 0.000092 | -2.48 | TIME = 1 to n, where n = number of observation |
| K4_06 | 0.031165 | 0.0134 | 2.32 | JAN = 1 if January, 0 otherwise |
| K4_07 | -0.07346 | 0.0152 | -4.82 | FEB = 1 if February, 0 otherwise |
| K4_08 | 0.058516 | 0.0157 | 3.73 | MAR = 1 if March, 0 otherwise |
| K4_09 | 0.010436 | 0.0158 | 0.66 | APR = 1 if April, 0 otherwise |
| K4_10 | 0.038123 | 0.0159 | 2.41 | MAY = 1 if May, 0 otherwise |
| K4_11 | -0.04834 | 0.0159 | -3.05 | JUN = 1 if June, 0 otherwise |
| K4_12 | 0.018682 | 0.0161 | 1.16 | JUL = 1 if July, 0 otherwise |
| K4_13 | 0.009466 | 0.0161 | 0.59 | AUG = 1 if August, 0 otherwise |
| K4_14 | -0.01622 | 0.016 | -1.01 | SEP = 1 if September, 0 otherwise |
| K4_15 | 0.005081 | 0.0155 | 0.33 | OCT = 1 if October, 0 otherwise |
| K4_16 | -0.03025 | 0.0138 | -2.2 | NOV = 1 if November, 0 otherwise |
| K4_L1 | 0.274658 | 0.0786 | 3.49 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1987 through June 2001 |
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Table 14. Electric Arc Raw Steel Production/Total Raw Steel Production, K5 (fraction)
| Equation | DF Model | DF Error | SSE | MSE | Root MSE | R-Square | Adj R-Sq | Durbin-Watson |
| K5 | 14 | 148 | 0.0346 | 0.000234 | 0.0153 | 0.838 | 0.824 | 2.386 |
| Parameter | Estimate | Approx. Std. Err. | 'T' Ratio | Label |
| K5_01 | 0.776253 | 0.0151 | 51.48 | Constant Coefficient |
| K5_02 | -0.00068 | 0.000062 | -10.91 | TIME = 1 to n, where n = number of observation |
| K5_06 | -0.02027 | 0.00464 | -4.37 | JAN = 1 if January, 0 otherwise |
| K5_07 | -0.02815 | 0.00585 | -4.81 | FEB = 1 if February, 0 otherwise |
| K5_08 | -0.0234 | 0.00645 | -3.63 | MAR = 1 if March, 0 otherwise |
| K5_09 | -0.02572 | 0.00677 | -3.8 | APR = 1 if April, 0 otherwise |
| K5_10 | -0.02169 | 0.00692 | -3.13 | MAY = 1 if May, 0 otherwise |
| K5_11 | -0.02127 | 0.00697 | -3.05 | JUN = 1 if June, 0 otherwise |
| K5_12 | -0.01102 | 0.00701 | -1.57 | JUL = 1 if July, 0 otherwise |
| K5_13 | -0.01908 | 0.00689 | -2.77 | AUG = 1 if August, 0 otherwise |
| K5_14 | -0.01998 | 0.00659 | -3.03 | SEP = 1 if September, 0 otherwise |
| K5_15 | -0.01444 | 0.00599 | -2.41 | OCT = 1 if October, 0 otherwise |
| K5_16 | -0.00949 | 0.00476 | -1.99 | NOV = 1 if November, 0 otherwise |
| K5_L1 | 0.583212 | 0.0638 | 9.14 | 1st-order autocorrelation correction parameter |
| Method of estimation: OLS with 1st-order autocorrelation correction
Estimation period: January 1987 through June 2001 |
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File last modified: October 4, 2001
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