以下是数据详细描述:
wage educ exper hrswk married female metro midwest south west black asianObs: 1000 observations (subset of cps4.dat)wage earnings per houreduc years of educationexper post education years experiencehrswk usual hours worked per weekmarried = 1 if marriedfemale = 1 if femalemetro = 1 if lives in metropolitan areamidwest = 1 if lives in midwestsouth = 1 if lives in southwest = 1 if lives in westblack = 1 if blackasian = 1 if asianNote on education variable. CPS reports educational attainment by category.For the purpose of illustrations in this book, we assign the followingnumerical values for "educ"00 .Less than 1st grade03 .1st,2nd,3rd,or 4th grade03 .5th or 6th grade08 .7th and 8th grade09 .9th grade10 .10th grade11 .11th grade12 .12th grade no diploma12 .High school graduate – high school diploma or equivalent13 .Some college but no degree14 .Associate degree in college - occupation/vocation program14 .Associate degree in college - academic program16 .Bachelor's degree (for example: BA,AB,BS)18 .Master's degree (for example:MA,MS,MENG,MED,MSW, MBA)21 .Professional school degree (for example: MD,DDS,DVM,LLB,JD)21 .Doctorate degree (for example: PHD,EDD)Data source: Dr. Kang Sun Lee, Louisiana Department of Health and HumanServicesVariable | Obs Mean Std. Dev. Min Max-------------+--------------------------------------------------------wage | 1000 20.61566 12.83472 1.97 76.39educ | 1000 13.799 2.711079 0 21exper | 1000 26.508 12.85446 2 65hrswk | 1000 39.952 10.3353 0 90married | 1000 .581 .4936423 0 1-------------+--------------------------------------------------------female | 1000 .514 .5000541 0 1metro | 1000 .78 .4144536 0 1midwest | 1000 .24 .4272968 0 1south | 1000 .296 .4567194 0 1west | 1000 .24 .4272968 0 1-------------+--------------------------------------------------------black | 1000 .112 .3155243 0 1asian | 1000 .043 .2029586 0 1