问题
问答题 简答题
检验异方差性的方法有哪些？
答案
参考答案：
（1）图示检验法；（2）戈德菲尔德—匡特检验；（3）怀特检验；（4）戈里瑟检
验和帕克检验（残差回归检验法）；（5）ARCH检验（自回归条件异方差检验）
搜题请搜索小程序“爱下问搜题”
检验异方差性的方法有哪些？
参考答案：
（1）图示检验法；（2）戈德菲尔德—匡特检验；（3）怀特检验；（4）戈里瑟检
验和帕克检验（残差回归检验法）；（5）ARCH检验（自回归条件异方差检验）
A farmer was selling(卖) his little dogs. Just then, a __1_ happened to pass by. “I want to __2__ one of your dogs, sir.” “Well,” said the farmer, “these dogs come from fine parents and cost a lot of __3_.” The boy drop (低下) his head for a __4____. Then he reached deep into his pocket and took out some change. “I’ve got thirty-nine cents. Is that __5__ to take a look? ” “__6__,”said the farmer. And with that he let out a whistle(口哨),“Here, Dolly!” Dolly ran out of the doghouse followed by four little dogs. The boy’s eyes danced with _7_. As the dogs made their ___8__ to the farmer, the little boy saw something else moving inside the __9__.Slowly another little dog __10__; this one much smaller. It was doing its best to look out “I ___11_that one,” the little boy said. The farmer said, “Son, don’t want that dog. He will __12__ be able to run and play with you like the other dogs would.” The boy rolled up(卷起) one leg of his trousers and showed a steel(钢) __13__.Looking back up at the farmer, he said,“You see, sir ,I don’t __14__ too well myself ,and he will need someone to __15____”
|
