| 查看: 2745 | 回复: 4 | ||||
puxinyue新虫 (著名写手)
|
[求助]
关于四参数Logistic方程 已有1人参与
|
|
哪位大神帮忙求解 方程y=a+{(b-a)/(1+10^[(m-x)*c)]},已知x，y值，求解（1）a，b，c，m值（2）m值的95%置信区间.用SPSS如何操作？ x y -30.0 1.0 -0.698970004 0.908018198 -0.397940009 0.759213831 -0.22184875 0.552014559 -0.096910013 0.306860783 0.0 0.253619654 0.301029996 0.0 |
回复此楼» 猜你喜欢
法国博士后职位
已经有0人回复
-
重庆交大26年硕士生招生拟调剂通知已出！欢迎加入机器视觉与3D光学成像课题组。
已经有0人回复
-
物理学I论文润色/翻译怎么收费?
已经有97人回复
-
**
已经有1人回复
-
0702一志愿吉大B区求调剂 本科期间发表一篇Sci
已经有3人回复
-
基底STO,薄膜SRO，XRD里面的振荡，是laue震荡还是kiessig振荡? 怎么判断？
已经有2人回复
-
B区学生调剂-兰州交通大学材料科学与工程学院
已经有8人回复
-
山西大同大学物理学专业还有调剂名额，欢迎调剂！
已经有12人回复
-
桂林理工大学物理学专业招收调剂
已经有11人回复
-
VASP 的一组 GPU / CPU 基准测试记录
已经有0人回复
» 本主题相关价值贴推荐，对您同样有帮助:
- 微生物生长稳定期
已经有6人回复
- 请问各位图中的曲线方程是怎样获取的
已经有11人回复
- 生物曲线的绘制
已经有4人回复
- 求助在SAS中用logistic 函数拟合曲线回归方程的程序，谢谢!
已经有5人回复
- 怎样拟合数据求出x=f(A,B,C),y=g(A,B,C,D)中的A,B,C,D参数
已经有18人回复
- logistic拟合曲线
已经有7人回复
- 四元四次方程求解
已经有6人回复
- origin非线性拟合
已经有5人回复
- 用origin8对生长曲线进行拟合，求比生长速率？
已经有4人回复
- 微生物生长曲线的绘制
已经有28人回复
- 关于非线性拟合的拟合度的问题
已经有5人回复
- 【求解】 一元四次方程
已经有5人回复
- ORIGIN8.0求比生长速率
已经有11人回复
- 石笋生长速率的影响因素
已经有4人回复
- 求解四阶微分方程组
已经有14人回复
- Johnson-cook本构模型参数
已经有16人回复
- 【求助】帮忙求解一个一元四次方程
已经有9人回复
- 如何缩短微生物生长的延滞期
已经有8人回复
- 【求助/交流】微生物生长曲线
已经有15人回复
- 【求助】关于参数估计的问题
已经有4人回复
- 【求助/交流】微生物生长曲线的数据怎么处理？？
已经有22人回复
- 【求助】关于二分类变量logistic回归分析的预测问题
已经有6人回复
月只蓝
主管区长 (职业作家)
-
专家经验: +1059 - 计算强帖: 8
- 应助: 1712 (讲师)
- 贵宾: 8.888
- 金币: 68129.7
- 散金: 1938
- 红花: 443
- 沙发: 4
- 帖子: 4373
- 在线: 3291.4小时
- 虫号: 1122189
- 注册: 2010-10-14
- 专业: 宇宙学
- 管辖: 计算模拟区
【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
puxinyue: 金币+2, ★★★很有帮助 2014-10-10 18:48:12
puxinyue: 金币+3, ★★★很有帮助 2014-10-10 21:50:11
puxinyue: 金币+5, ★★★★★最佳答案 2014-10-10 23:52:33
感谢参与，应助指数 +1
puxinyue: 金币+2, ★★★很有帮助 2014-10-10 18:48:12
puxinyue: 金币+3, ★★★很有帮助 2014-10-10 21:50:11
puxinyue: 金币+5, ★★★★★最佳答案 2014-10-10 23:52:33
|
Function y=a+((b-a)/(1+10^((m-x)*c))); Data; -30.0 1.0 -0.698970004 0.908018198 -0.397940009 0.759213831 -0.22184875 0.552014559 -0.096910013 0.306860783 0.0 0.253619654 0.301029996 0.0 均方差(RMSE): 0.0279229840234457 残差平方和(SSE): 0.00545785125741521 相关系数(R): 0.996922065945113 相关系数之平方(R^2): 0.993853605568273 决定系数(DC): 0.993369989658489 卡方系数(Chi-Square): 0.0333656730760132 F统计(F-Statistic): 808.485052991503 参数 最佳估算 ---------- ------------- a 0.987155395921295 b -0.0741458477381193 m -0.169875951845711 c 2.36430519462335 SPSS参见：http://muchong.com/bbs/viewthread.php?tid=6166592&authorid=1122189 |
2楼2014-10-10 18:27:37
puxinyue
新虫 (著名写手)
- 应助: 5 (幼儿园)
- 金币: 5096.2
- 散金: 188
- 红花: 14
- 帖子: 1356
- 在线: 317.8小时
- 虫号: 2562565
- 注册: 2013-07-24
- 性别: MM
- 专业: 土壤生态学
|
非常感谢，我用1stopt算出来的结果和你的一致，但是spss置信区间求不出来。后面显示： * NonLinear Regression. MODEL PROGRAM a=0.74 b=0.99 c=-1.07 m=2.36. COMPUTE PRED_=b+(a-b)/(1+10**((m-x)*c)). NLR y /OUTFILE='C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\spss7720\SPSSFNLR.TMP' /PRED PRED_ /CRITERIA SSCONVERGENCE 0 PCON 0. Warnings During the execution of the indicated command, an attempt was made to perform exponentiation for which the result would have been outside the range of the computer, i.e. a magnitude smaller than 10**(-309) or greater than 10**308. The result has been set to the system-missing value. >Command line: 160 Current case: 1 Current splitfile group: 1 During the execution of the indicated command, an attempt was made to perform exponentiation for which the result would have been outside the range of the computer, i.e. a magnitude smaller than 10**(-309) or greater than 10**308. The result has been set to the system-missing value. >Command line: 160 Current case: 2 Current splitfile group: 1 During the execution of the indicated command, an attempt was made to perform exponentiation for which the result would have been outside the range of the computer, i.e. a magnitude smaller than 10**(-309) or greater than 10**308. The result has been set to the system-missing value. >Command line: 160 Current case: 3 Current splitfile group: 1 During the execution of the indicated command, an attempt was made to perform exponentiation for which the result would have been outside the range of the computer, i.e. a magnitude smaller than 10**(-309) or greater than 10**308. The result has been set to the system-missing value. >Command line: 160 Current case: 4 Current splitfile group: 1 During the execution of the indicated command, an attempt was made to perform exponentiation for which the result would have been outside the range of the computer, i.e. a magnitude smaller than 10**(-309) or greater than 10**308. The result has been set to the system-missing value. >Command line: 160 Current case: 5 Current splitfile group: 1 During the execution of the indicated command, an attempt was made to perform exponentiation for which the result would have been outside the range of the computer, i.e. a magnitude smaller than 10**(-309) or greater than 10**308. The result has been set to the system-missing value. >Command line: 160 Current case: 6 Current splitfile group: 1 During the execution of the indicated command, an attempt was made to perform exponentiation for which the result would have been outside the range of the computer, i.e. a magnitude smaller than 10**(-309) or greater than 10**308. The result has been set to the system-missing value. >Command line: 160 Current case: 7 Current splitfile group: 1 Predicted values are missing, or case weights are missing or not positive for all cases. This command is not executed.  QQ截图20141010185252.png |
3楼2014-10-10 18:54:54
puxinyue
新虫 (著名写手)
- 应助: 5 (幼儿园)
- 金币: 5096.2
- 散金: 188
- 红花: 14
- 帖子: 1356
- 在线: 317.8小时
- 虫号: 2562565
- 注册: 2013-07-24
- 性别: MM
- 专业: 土壤生态学
4楼2014-10-10 21:22:28
puxinyue
新虫 (著名写手)
- 应助: 5 (幼儿园)
- 金币: 5096.2
- 散金: 188
- 红花: 14
- 帖子: 1356
- 在线: 317.8小时
- 虫号: 2562565
- 注册: 2013-07-24
- 性别: MM
- 专业: 土壤生态学
5楼2014-10-10 21:49:39
