二元参数回归中参数的计算

mahoupao_win · 发表于 1970-1-1 08:00:00

DATA REGRESSION SECTION                            ****

RESULTS FOR CASE DR-1 (CONTINUED)                ****

TEMPERATURE                UNITS : C             ****

   ID  MEASURED    ESTIMATED    STD-DEV    DIFFERENCE  % DIFFERENCE****

   1 94.30000    94.77859    0.10000    0.47859    0.50752 ****
   2 91.90000    92.65316    0.10000    0.75316    0.81954 ****
   3 90.00000    90.39806    0.10000    0.39806    0.44229 ****
   4 87.30000    87.33254    0.10000    0.32544E-01  0.37279E-01****
   5 86.10000    86.14647    0.10000    0.46467E-01  0.53969E-01****
   6 85.20000    85.23289    0.10000    0.32886E-01  0.38599E-01****
   7 84.70000    84.84323    0.10000    0.14323    0.16910 ****
   8 81.80000    81.53647    0.10000    -0.26353    -0.32216 ****
   9 81.60000    81.46141    0.10000    -0.13859    -0.16984 ****
   10 80.60000    80.64998    0.10000    0.49983E-01  0.62014E-01****
   11 80.20000    80.61866    0.10000    0.41866    0.52202 ****
   12 79.50000    79.45141    0.10000    -0.48591E-01 -0.61121E-01****
   13 79.20000    79.15047    0.10000    -0.49528E-01 -0.62535E-01****
   14 79.10000    78.91987    0.10000    -0.18013    -0.22772 ****
   15 78.60000    78.66578    0.10000    0.65781E-01  0.83691E-01****
   16 78.30000    78.26620    0.10000    -0.33801E-01 -0.43169E-01****
   17 78.30000    78.17926    0.10000    -0.12074    -0.15421 ****
   18 78.20000    78.26717    0.10000    0.67170E-01  0.85895E-01****

      ROOT MEAN SQUARE DEVIATION  = 0.2695484 ****
      AVERAGE DEVIATION          = 0.9175731E-01****
      AVERAGE ABSOLUTE DEVIATION  = 0.1845244 ****
      MAXIMUM DEVIATION          = 0.7531604 ****

**** RMS RELATIVE DEVIATION    = 0.3043888E-02****
      AVG. ABS. REL. DEVIATION = 0.2145929E-02****
不知最后两行的相对偏差指的是什么意思？怎么计算的？望各位不吝赐教！**undefinedundefinedundefined**

banknation · 发表于 1970-1-1 08:00:00

本帖最后由 banknation 于 2023-1-1 19:35 编辑

RMS——ROOT MEAN SQUARE
AVG.—— AVERAGE
ABS.——ABSOLUTE
REL. ——RELATIVE

mahoupao_win · 发表于 1970-1-1 08:00:00

感谢回复！麻烦告知怎么算的么？我理解的和你差不多，但计算出的数值相差很大！不知为何？