data a;
input x y;
cards;
0 50.72
21 67.96
42 73.13
63 82.6
84 83.6
105 89.09
126 93.16
147 101.1
168 106.3
189 104.6
210 108.6
231 115.1
252 112
273 122.1
294 132
315 132.9
336 131.9
357 128.7
378 142.8
399 142.6
420 152.7
441 152.6
462 147.8
483 149.5
504 156.2
525 170.1
546 159.4
567 167.3
588 171.5
609 165.1
630 178.6
651 174.5
672 169.8
693 174.4
714 179
735 176.1
756 165.6
777 166
798 181.4
819 190.2
840 185.2
861 188.4
882 187.4
903 197.9
924 193.7
945 210.6
966 212.5
987 196.5
1008 195.3
1029 215.3
1050 208.2
1071 217.5
1092 206.7
1113 232.3
1134 215
1155 212.2
1176 210.4
1197 227.6
1218 221.3
1239 225.8
1260 240.5
1281 224.3
1302 215.7
1323 241.6
1344 220.6
1365 230
1386 254.6
1407 252
1428 242.3
1449 244.9
1470 254.9
1491 250.6
1512 265.2
1533 254.6
1554 253.7
1575 239.2
1596 245.1
1617 237.1
1638 255.4
1659 227
1680 243.4
1701 262.8
1722 263.1
1743 275.7
1764 259
1785 274.6
1806 271.7
1827 256.9
1848 256.1
1869 275.6
1890 260.6
1911 267
1932 259.8
1953 258.1
1974 250.5
1995 279.2
2016 277.8
2037 273.9
2058 285
2079 280.7
2100 307
2121 263.6
2142 285.2
2163 277.3
2184 291.5
2205 278.6
2226 298.7
2247 287.7
2268 279.7
2289 272.8
2310 288.6
2331 277.8
2352 307.6
2373 301.4
2394 317.8
2415 296.1
2436 312
2457 306.6
2478 293.7
2499 318.3
2520 332.6
2541 299.1
2562 332.9
2583 328.8
2604 296.1
2625 342.7
2646 327.6
2667 321.3
2688 381.7
2709 348.9
2730 314.3
2751 353.8
2772 326.5
2793 357.3
2814 347.9
2835 319.1
2856 308.1
2877 319.3
2898 311.1
2919 331.8
2940 332
2961 298.1
2982 324.5
3003 306.4
3024 318.7
3045 312.3
3066 307.9
3087 349.5
3108 291.3
3129 320.7
3150 298.8
3171 306.7
3192 304.5
3213 323.9
3234 325.1
3255 287.8
3276 318.4
3297 318.3
3318 316
3339 319.4
3360 322.2
3381 325.3
3402 356.7
3423 313.4
3444 328.4
3465 321.7
3486 330.9
3507 337.5
3528 350.4
3549 377.8
3570 337.3
3591 351.3
3612 343.1
3633 338.6
3654 354.8
3675 360.7
3696 339.1
3717 368.6
3738 356.9
3759 382.5
3780 348.1
3801 398.8
3822 357.8
3843 400.7
3864 346.3
3885 389
3906 338.3
3927 378.3
3948 424.4
3969 472.2
3990 377.2
4011 381.2
4032 379.3
4053 353.2
4074 350.5
4095 349.2
4116 325.7
4137 343.3
4158 359
4179 361.6
4200 371.9
4221 391.3
4242 365.3
4263 376
4284 340.3
4305 345.5
4326 363.6
4347 387.6
4368 367.1
4389 321.8
4410 365.5
4431 324.8
4452 339.1
4473 372.3
4494 369
4515 358.3
4536 367.7
4557 364.7
4578 352.8
4599 368.5
4620 386.2
4641 380.1
4662 345.3
4683 376.4
4704 397.8
4725 342.2
4746 323.7
4767 329.9
4788 346
4809 329.5
4830 387.4
4851 351.7
4872 342.7
4893 375.2
4914 351.1
4935 396.4
4956 343.2
4977 385.4
4998 350.5
5019 374
5040 374.1
5061 360
5082 391.5
5103 410.9
5124 429.9
5145 403.1
5166 403.7
5187 378.3
5208 389.7
5229 374.2
5250 424.6
5271 405.6
5292 356.1
5313 367.5
5334 359.4
5355 367.5
5376 387.9
5397 407.3
5418 349.9
5439 393
5460 362.3
5481 353.8
5502 373.6
5523 359.6
5544 362.5
5565 398.8
5586 365.7
5607 354.2
5628 363.9
5649 371
5670 368.7
5691 409.3
5712 345.7
5733 408.8
5754 385.3
5775 385.7
5796 378.4
5817 424.6
5838 420.7
5859 447.3
5880 394.5
5901 411.8
5922 417.6
5943 453.3
5964 389.3
5985 342.9
6006 366.5
6027 348.5
6048 375.4
6069 349.7
6090 407.7
6111 373.6
6132 381.5
6153 373.5
6174 364.4
6195 414.2
6216 400.8
6237 366
6258 398.7
6279 425.3
6300 430.7;
run;
proc gplot data=a;
plot y*x='+';
run;
SAS程序就是这个了,怎么拟合一个分布函数啊,求高人指点。