大学毕业生就业工资影响因素的线性回归分析

1、UNIT 1 With Alzheimer's, you meet a lot of new people. Lead-inWork in pairs, discuss the following questions and then share your answers with the whole class.( 1. What factors may weaken one's memory?( 2. Can you describe some possible advantages of having a poor memory?( 3. What can you do

2、to make sure all your relatives and friends are on the guest list for your birthday party?( 4. How do you ensure important phone numbers are always at your fingertips?. Basic Listening PracticeListen to the short dialogs and choose the best answer to each question you hear.1. A The man is offering t

3、o pay.B The woman is offering to pay.C The man paid last time.D The woman paid last time.2. A Memorizing the words.B Memorizing the texts.C Learning the texts by heart.D Reading the texts time and again.3. A He can't remember people by sight.B He can't remember people by name.C He has a terr

4、ible memory for football.D He has a hard time recognizing names.4. A To remind the woman to lock the door when going out.B To remind the woman to take her keys when going out.C To remind guests to close the door after them.D To prevent visitors from having an accident.5. A He set a difficult essay q

5、uestion.B He found the history exam difficult.C He has a good memory.D His memory is declining.Word TipsKit:(运动队的服装(a set of clothes and equipment that you use when playing a sport photographic memory:准确得惊人的记忆力(the ability to remember in exact detail of something one has seen. Listening InTask 1: Is

6、 your memory in good shape?Listen to the dialog and fill in the blanks with the information you hear.While the man is wondering why the woman is suddenly _, she says she read _ on studying and remembering. It tells about _ like "Mental Visualization", that is, creating _ in one's mind

7、of _. This reminds the man of the principle of "_", which means connecting what one wants to remember with something one is _. Then the woman adds the principle of "_", or reviewing one's notes after class and absorbing the _ into _.When the man promises to study _ hours a da

8、y, the woman recommends the principle of "_", which favors _ study sessions distributed over _. Finally, the woman tells the man that memory is like _ and it needs _.Word Tipsmental visualization: 头脑中形成图像、意象association: 联想(a feeling or memory that is connected with a particular place, even

9、t, word, etc.consolidation: 巩固,加强(the act of making something strong and securesieve: 筛子(a wire tool for separating small objects from large objectsTask 2: You forgot my toast!Listen to the passage and mark the statements T (true or F (false. If the statement is false, explain why.1. The couple went

10、 to their doctor to have a complete physical checkup.A TB F2. At first the wife asked the husband to get her only ice cream.A TB F3. The husband refused to write a note, for he believed he could remember the toast.A TB F4. Finally, the husband brought the wife both ice cream and strawberries.A TB F5

11、. The wife blamed the husband for forgetting to bring her ice cream and strawberries.A TB FWord Tipstoast: 烤面包,吐司(bread that has been heated and browned in a toaster or an ovencheck over:检查(examine; inspectbacon: 咸肉,熏肉(salted or smoked meat from the back or sides of a pig, often served in narrow thi

12、n piecesListen to the passage again and answer the questions.1. Why did the husband refuse to write down the wife's instructions?_2. When the husband brought the wife a plate of bacon and eggs, what was her reaction?_Task 3: Memory-Improving TechniquesListen to the passage and choose the best an

13、swer to each question you hear.1. A Learning different things.B Learning to dance.C Learning to use a computer.D Learning to play chess.2. A Noticing even a small object like a pen.B Memorizing anything that catches your attention.C Concentrating only on what is important.D Both A and B.3. A You can

14、 focus only on its color.B You can focus on one of its characteristics.C You can associate it with other objects.D You can focus on its features.4. A You can stop breathing in for a minute and then breathe out.B You can stop breathing in for a short time, and then breathe out slowly.C You can breath

15、e hard for ten seconds.D You can hold your breath and count to ten.5. A The importance of stimulating one's memory.B The relationship between stimulation and association.C The importance of improving one's memory.D Memory-developing skills.Word Tipsstimulate: 刺激;促进(encourage an activity to b

16、egin or develop furthermemorize: 记住;熟记(learn words, music, etc.characteristic: 特征,特性(a quality or feature of something or somebody that is typical of them and easy to recognizeListen to the passage again and answer the question.What are the four memory-developing techniques introduced in the passage

17、?_. Speaking OutDescribing Good and Poor Memory; Expressing Sympathy; Resuming Interrupted Speech MODEL 1 It slipped my mind!Listen to the dialog. If you have difficulty understanding the words missing from the blanks, you may refer to the boxes of useful expressions.Amy: I sent out the invitations

18、to the dinner party.Bill: That's good. Now what should we do?Amy: We've got to plan the menu.Bill: Oh, that's right. _?Amy: I think I'm going to make the chicken salad we had at the Christmas party. _? Bill: Yeah, but _?Amy: Linda? Oh, my gosh! _! _. She'll be mad at me.Bill: Wel

19、l, _. It's not too late yet. I'll make a phone call. Don't worry.Amy: Thanks! You see, _. I think I'm getting old!Bill: Looks like you are, sweetheart.Word Tipschef: 厨师(a skilled cook who manages the kitchenrecipe:食谱,配方(a set of instructions for cooking a particular type of foodListe

20、n to the dialog again, repeat it sentence by sentence, and then role-play it in pairs.Now Your TurnCreate a dialog with your partner according to the instructions, referring to the useful expressionsA wants to have a party and asksB to suggest some guests. B names John, who has just lost his job and

21、 is feeling low. B then mentions Julia, who has just moved to the city. (B can add more. A admits to being forgetful and thanks B.Useful ExpressionsDo you have anything in mind?Are you thinking about anything in particular?Remember I asked the chef for the recipe?Don't you remember I asked the c

22、hef for the recipe?.did you forget that Linda doesn't eat chicken?Don't you remember Linda doesn't care for chicken?I forgot to invite Linda!I forgot Linda. I should have invited her.It just slipped my mind.I just forgot it.everyone forgets something sometimes.Everyone forgets one thing

23、or another from time to time.I'm getting forgetful.My memory is going/failing/fading.MODEL 2 I can't think of it off the top of my head.Listen to the dialog. If you have difficulty understanding the words missing from the blanks, you may refer to the boxes of useful expressions.Language and

24、Culture Tipoff the top of one's head (informal without taking time to think or prepare, oneself properly John: Hey, Sue. _?Susan: _. I don't have my address book on me, and I don't have my mobile phone with me, either.John: That's too bad! I've got to find him now. It's urgen

25、t! If I can't find him today, I'll be dead! Susan: You might want to look it up in the phone book.John: I've checked already, but it seems that his phone number is unlisted.Susan: Maybe it's under his roommate's name.John: Well, I guess so.Susan: Well, _? She has his phone number

26、.John: I've tried, but no one answered!Susan: Maybe call his office and ask his secretary.John: I've already tried. She won't tell me. She says it's private.Susan: Oh, that's right. _.John: It's a pity. You usually _, but you can't help today. What's wrong with you? Y

27、our memory seems to be fading early.Susan: It's not that my memory is fading. _, but _.Listen to the dialog again, repeat it sentence by sentence, and then role-play it in pairs.Now Your TurnCreate a dialog with your partner according to the instructions, referring to the useful expressionsA wan

28、ts to attend a lecture given by a visiting professor but cannot remember the time. A asksB for help. B doesn't remember, either, so B suggests looking at the notebooks and calling the dean or secretary of the department for information.Useful ExpressionsDo you know what Jack's home phone num

29、ber is?Do you know Jack's phone number?I can't think of it off the top of my head.I can't think of it off hand. why don't you call Jane?You might as well call Jane.They usually don't release private information over the phone.It is against the company's policy to give out som

30、eone's personal information on the phone to a stranger.have a powerful memory.have a(n good/reliable/retentive/photographic/ unfailing memory.I do have a good memory for faces and names.I (can remember faces and names well. a poor one for numbers and dates.象,抽取1267名学生为样本来进行毕业生就业薪酬的影响因素分析.可能影响毕业生

31、薪酬的因素有很多,这里我们对抽取的1267名学生分别考虑性别(XB 、民族(M Z 、是否共产党员(DY 、生源所在地(SYD 、就业所在地(JYD 、就业单位的性质(国有企业(DW1,三资企业(DW2,中小企业(DW3,事业单位(DW4和所在学校的院系(资源与环境工程学院(XY1,艺术设计与传媒学院(XY2,药学院(XY3,信息科学与工程学院(XY4,外国语学院(XY5,生物工程学院(XY6,社会与公共管理学院(XY7,商学院(XY8,理学院(XY9,机械与动力工程学院(XY10,化学与分工工程学院(XY11,化工学院(XY12,材料科学与工程学院(XY13对薪酬的影响,运用逐步回归方法4,

32、从而分析出在这些变量中哪些对毕业生的薪酬影响是显著的,而哪些不是显著的.将变量以虚拟变量取代,分别取值为1或0,在EviewsListen to the dialog. If you have difficulty understanding the words missing from the blanks, you may refer to the boxes of useful expressions.从表1中的数据可以看出,R 2的值很小,说明方程的拟合效果不好,所得出的系数存在很大的不合理性,对变量不能进行合理的解释.Amy: Tell me what thrilled you mo

33、st.The telephone rings and Bill answers it.He hangs up.Bill: Er, _?Amy: _.Bill: Oh, yeah.Amy: I bet you had a great time.Bill: Yes, I particularly enjoyed visiting the Tower of London.Amy: How did you get there? By bus or underground?Bill: _.Sorry, _.Amy: _?Bill: I hope it's not Alzheimer's

34、disease. _.Amy: I don't think so. Perhaps _. You'll be all right after a good sleep.Bill: I hope so. But as this is happening so often recently, I think I must go to see a doctor and get some pills. Alzheimer's disease: 阿耳茨海默氏病,早老性痴呆病(a condition in which a person's brain and body gr

35、adually stop working properlyListen to the dialog again, repeat it sentence by sentence, and then role-play it in pairs.Variable Coefficient Std.Error t-Statistic Prob.JYD247.2422130.4337 1.8955390.0583DY169.903169.53712 2.4433430.0147DW4507.5598966.74300.5250200.5997DW2593.6306944.41140.6285720.529

36、7DW1362.3176944.57530.3835770.7014DW365.79950945.59300.0695850.9445M Z-6.318322139.5736-0.0452690.9639SY119.842358.26541 2.0568350.0399XB72.9790762.87112 1.1607720.2460XY1-203.9153189.6274-1.0753470.2824 XY10205.0492146.2119 1.4024110.1610 XY11-184.1805200.8909-0.9168190.3594 XY12-168.1120153.4263-1

37、.0957180.2734 XY13-114.4166156.2388-0.7323190.4641XY2-177.7019216.8765-0.8193690.4127XY4303.1447139.3185 2.1759110.0297XY5345.6485179.3650 1.9270680.0542XY6-305.1825197.9400-1.5417930.1234XY8318.5337134.4452 2.3692460.0180XY3-379.2545188.2162-2.0149940.0441XY9278.4526241.7238 1.1519450.2496C1693.207

38、970.0570 1.7454720.0811 R-squared0.124046M ean dependent var2588.502 AdjustedR-squared0.109271S.D.dependent var995.3287 S.E.of regres-sion939.3756Akaike info criterion16.54552 Sum squaredresid1.10E+09Schwarz criterion16.63485 Log likelihood-10459.59F-statistic8.395614Durbin-Wat-son stat 1.675821Prob

39、(F-statistic0.000000表1OLS分析结果1从图中可以看出,其残差主要分布在-1000到1000之间,去除不合理的数据,重新整理得到1074个数据.再运用eviews软件继续分析,得出结果见表2.从表2中的数据可以看出,R2的值较之前有较大的提高,说明方程的拟合效果较好,但从相伴概率最后一列中我们发现,有些系数的相伴概率偏大,因此方程存在一定的不合理性,暂且不对参数进行解释说明.在此,我们对相伴概率偏大,t值偏小的变量与以去逐步去除(DW1,DW3,M Z, XY5,XY10.再运用eviews软件继续分析,运用相同的办法,发现其残差主要分布在-500到500之间,去除不合理的

40、数据,重新整理得到530个数据,发现变量XY1、XY11、XY12系数的相伴概率偏大,将这些变量去除,用eviews软件继续分析,得出结果见表3.从表3中的数据可以看出,R2的值0.614133比较理想,说明方程的拟合效果较好,各个变量的相伴概率数据较好,对变量能进行合理的解释.对应回归系数的条形图见图2.此模型研究的是大学生毕业工资由哪些因素决定,通过上面的方程,我们可以知道,大学生毕业工资主要由性别、是否共产党员、就业单位的性质和所在学校的院系所决Variable Coefficient Std.Error t-Statistic Prob.DW1284.1688462.93890.613

41、8360.5395DW2471.7554462.7320 1.0195000.3082DW314.58566463.35060.0314790.9749DW4868.1989476.5239 1.8219420.0687DY142.168537.48905 3.7922660.0002JYD294.639372.38348 4.0705330.0001M Z16.8200075.742540.2220680.8243SY57.7483731.01662 1.8618520.0629XB53.6262434.09324 1.5729290.1160XY1-311.444598.21982-3.1

42、708930.0016XY10-82.8397676.44910-1.0835940.2788XY11-288.1578101.9289-2.8270460.0048XY12-322.350379.13968-4.0731820.0000XY13-267.704581.00596-3.3047510.0010XY2-337.3841115.8966-2.9110780.0037XY3-534.480696.06390-5.5638030.0000XY4197.920873.44972 2.6946430.0072XY59.15240297.947920.0934420.9256XY6-399.

43、213599.60296-4.0080480.0001XY8154.123671.23522 2.1635870.0307XY9-194.0135140.0988-1.3848340.1664C1837.077477.6822 3.8458140.0001R-squared0.339843M ean dependent var2477.692 AdjustedR-squared0.326664S.D.dependent var560.2998 S.E.of regres-sion459.7653Akaike info criterion15.11958 Sum squaredresid2.22

44、E+08Schwarz criterion15.22157 Log likelihood-8097.215F-statistic25.78853 Durbin-Wat-son stat1.463660Prob(F-statistic0.000000表2OLS分析结果294 -图2OLS 回归系数图DW41178.528163.93667.1889250.0000DY 125.536130.99894 4.0496910.0001JYD 90.3239362.82939 1.4376060.1512SY 272.205625.5119710.669720.0000XB 589.707528.6295320.597870.0000XY2-262.999174.8998