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dz³ªÉË

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
10Â¥: Originally posted by wlxydgq at 2013-08-08 22:12:55
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11Â¥2013-08-09 08:38:19
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dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

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csgt0: ½ð±Ò+2, лл 2013-08-09 13:23:07
ÒýÓûØÌû:
8Â¥: Originally posted by dz³ªÉË at 2013-08-08 20:48:48
ÎÒÒ²ÓÃ1stopt×ö³öÁËÕâÑùµÄ½á¹û£¬¿ÉÊÇ×îºóµÄÄâºÏ½á¹û²»ÊÇÎÒÏëÒªµÄ£¬¶øÇÒ×îºóµÄÄâºÏͼÐÎÒ²²»¶Ô¶î£¬xÖá´ú±íµÄ²»¶Ô°É¡£¡£¡£ÎÒµÄÊý¾ÝÆäʵÊǸù¾Ýx1ÖµµÄ²»Í¬·ÖΪ5×éµÄ£¬x2µÄ·¶Î§ÊÇ1~12.¡£¡£¡£¡£Ï൱ÓÚ4¶ÎÀàËÆÖ¸Êýº¯ÊýµÄͼ ...

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CODE:
VarConstant x1=[30,40,50,60,70];
Variable x2,y;
Function y=1+b^((x1-30)/10)*a*x2^(c);
Data;
//x2        y
6        90.18891
12        75.72729
Data;
4        85.93506
8        79.95478
12        64.0552
Data;
2        85.65684
4        77.6763
6        67.43046
8        64.79322
10        59.71056
12        55.43914
Data;
1        79.24752
2        74.61002
3        68.26951
4        65.04801
6        61.96122
7        59.00037
8        57.44965
9        53.20972
10        52.74626
11        52.3055
12        51.03886
Data;
1        77.05543
2        68.54187
3        63.67594
4        58.96522
6        56.48027
7        53.76835
8        51.88524
9        46.27689
10        44.30299
11        41.84879
12        39.03876

¾ù·½²î(RMSE):2.9276432832275
²Ð²îƽ·½ºÍ(SSE):282.846141396294
Ïà¹ØÏµÊý(R): 0.974541570894864
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.949731273402229
È·¶¨ÏµÊý(DC): 0.949661571552322
Fͳ¼Æ(F-Statistic): 44.5335337110876

²ÎÊý                  ×î¼Ñ¹ÀËã
--------------------        -------------
b        0.872412103832617
a        129.534053109939
c        -0.213736737896844
12Â¥2013-08-09 09:27:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dz³ªÉË

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
12Â¥: Originally posted by dingd at 2013-08-09 09:27:37
j½á¹ûÊÇÒ»ÑùµÄ£¬Ö»ÊǼ¸¶Îͼ·Ö±ð»­¶øÒÑ£º

VarConstant x1=;
Variable x2,y;
Function y=1+b^((x1-30)/10)*a*x2^(c);
Data;
//x2        y
6        90.18891
12        75.72729
Data;
4        85.93506
8        79.95478
12        64.0552
D ...

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˳Àû±ÏÒµ
13Â¥2013-08-09 10:35:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dz³ªÉË

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
12Â¥: Originally posted by dingd at 2013-08-09 09:27:37
j½á¹ûÊÇÒ»ÑùµÄ£¬Ö»ÊǼ¸¶Îͼ·Ö±ð»­¶øÒÑ£º

VarConstant x1=;
Variable x2,y;
Function y=1+b^((x1-30)/10)*a*x2^(c);
Data;
//x2        y
6        90.18891
12        75.72729
Data;
4        85.93506
8        79.95478
12        64.0552
D ...

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