stata6.key

是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到

.e FAQ
.c faq
.t Getting descriptive statistics & the five number summary on one line
.a UCLA Academic Technology Services
.k ucla stat-istics univar-iate summ-ary summ-aries box-plots plot-s
.x
	5/01	How can I get descriptive statistics and the five
		number summary on one line?
		@browser:http://www.ats.ucla.edu/stat/stata/faq/univar.htm!http://www.ats.ucla.edu/stat/stata/faq/univar.htm@

.e FAQ
.c faq
.t Can I make regression tables that look like those in journal articles?
.a UCLA Academic Technology Services
.k ucla stat-istics outreg format-ting reg-ressions output-ting output-ing
.k tabl-es
.x
	5/01	@browser:http://www.ats.ucla.edu/stat/stata/faq/outreg.htm!http://www.ats.ucla.edu/stat/stata/faq/outreg.htm@

.e FAQ
.c faq
.t What is seemingly unrelated regression?
.a UCLA Academic Technology Services
.k ucla stat-istics sureg seemingly unrel-ated reg-ressions
.x
	5/01	What is seemingly unrelated regression and how can I
		perform it in Stata?
		@browser:http://www.ats.ucla.edu/stat/stata/faq/sureg.htm!http://www.ats.ucla.edu/stat/stata/faq/sureg.htm@

.e FAQ
.c faq
.t How can I do tests of simple main effects in Stata?
.a UCLA Academic Technology Services
.k ucla stat-istics anova anal-ysis variance-s sme dunn-s simple main effect-s
.x
	5/01	@browser:http://www.ats.ucla.edu/stat/stata/faq/sme.htm!http://www.ats.ucla.edu/stat/stata/faq/sme.htm@

.e FAQ
.c faq
.t How can I compute Omega squared in Stata after an ANOVA?
.a UCLA Academic Technology Services
.k ucla stat-istics anova anal-ysis variance-s omega-2 sq-uared
.x
	5/01	@browser:http://www.ats.ucla.edu/stat/stata/faq/omega2.htm!http://www.ats.ucla.edu/stat/stata/faq/omega2.htm@

.e FAQ
.c faq
.t How can I test for nonadditivity in a randomized block ANOVA in Stata?
.a UCLA Academic Technology Services
.k ucla stat-istics anova anal-ysis variance-s rand-omized block-ed design-s
.k test-s test-ing tukey-s nonadditive nonadditivity nonadd
.x
	5/01	@browser:http://www.ats.ucla.edu/stat/stata/faq/nonadd.htm!http://www.ats.ucla.edu/stat/stata/faq/nonadd.htm@

.e FAQ
.c faq
.t How can I detect duplicate observations?
.a UCLA Academic Technology Services
.k ucla data-sets set-s manage-ment dup-licates identify-ing dups
.x
	4/01	@browser:http://www.ats.ucla.edu/stat/stata/faq/dups.htm!http://www.ats.ucla.edu/stat/stata/faq/dups.htm@

.e FAQ
.c faq
.t How do I Convert among SAS, Stata and SPSS Files?
.a UCLA Academic Technology Services
.k ucla data-sets set-s sas spss stata convers-ion convert-ing format file-s
.k statt-ransfer transfe-r dbmscopy
.x
	1/01	@browser:http://www.ats.ucla.edu/stat/stata/faq/convert_pkg.htm!http://www.ats.ucla.edu/stat/stata/faq/convert_pkg.htm@

.e FAQ
.c faq
.t How can I count the number of missing values for a character variable?
.a UCLA Academic Technology Services
.k ucla data-sets set-s manage-ment miss-ing value-s str-ings charac-ters
.k count-s tabmiss
.x
	11/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/cnt_charmiss.htm!http://www.ats.ucla.edu/stat/stata/faq/cnt_charmiss.htm@

.e FAQ
.c faq
.t Why am I losing precision with large whole numbers?
.a UCLA Academic Technology Services
.k ucla data-sets set-s manage-ment precis-ion stor-age num-bers digit-s
.k var-iables id-s
.x
	11/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/longid.htm!http://www.ats.ucla.edu/stat/stata/faq/longid.htm@

.e FAQ
.c faq
.t How do I Export Stata .dta Files to Other Programs?
.a UCLA Academic Technology Services
.k ucla data-sets set-s stata expor-ting dta .dta outsheet
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/outsheet.htm!http://www.ats.ucla.edu/stat/stata/faq/outsheet.htm@

.e FAQ
.c faq
.t How do I read a data file that has commas or tabs as delimiters?
.a UCLA Academic Technology Services
.k ucla data-sets set-s comma-s separ-ated tab-s read-ing delimit-er
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/readcommatab.htm!http://www.ats.ucla.edu/stat/stata/faq/readcommatab.htm@

.e FAQ
.c faq
.t How do I move Stata files between Windows, UNIX, and Macintosh?
.a UCLA Academic Technology Services
.k ucla data-sets set-s win-dows mac-intosh unix file-s transfe-r move ftp
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/ftpstata.htm!http://www.ats.ucla.edu/stat/stata/faq/ftpstata.htm@

.e FAQ
.c faq
.t How can I convert string variables to numeric variables in Stata?
.a UCLA Academic Technology Services
.k ucla data-sets set-s manage-ment str-ings var-iables convert num-bers
.k num-erical encode
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/str2num.htm!http://www.ats.ucla.edu/stat/stata/faq/str2num.htm@

.e FAQ
.c faq
.t How do I standardize variables in Stata?
.a UCLA Academic Technology Services
.k ucla stat-istics
.k stand-ardized stand-ardization stand-ardised stand-ardisation
.k var-iables std
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/standardize.htm!http://www.ats.ucla.edu/stat/stata/faq/standardize.htm@

.e FAQ
.c faq
.t How can I create dummy variables in Stata?
.a UCLA Academic Technology Services
.k ucla stat-istics dum-my var-iables dum-mies cat-egorical indica-tor
.k xi tab-ulate
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/dummy.htm!http://www.ats.ucla.edu/stat/stata/faq/dummy.htm@

.e FAQ
.c faq
.t How can I compare regression coefficients between 2 groups?
.a UCLA Academic Technology Services
.k ucla stat-istics reg-ressions test-s test-ing equal-ity coef-ficients
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/compreg2.htm!http://www.ats.ucla.edu/stat/stata/faq/compreg2.htm@

.e FAQ
.c faq
.t How can I compare regression coefficients across 3 (or more) groups?
.a UCLA Academic Technology Services
.k ucla stat-istics reg-ressions test-s test-ing equal-ity coef-ficients
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/compreg3.htm!http://www.ats.ucla.edu/stat/stata/faq/compreg3.htm@

.e FAQ
.c faq
.t How can I analyze count data in Stata?
.a UCLA Academic Technology Services
.k ucla stat-istics poisson reg-ressions count-s nbreg neg-ative binom-ial
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/count.htm!http://www.ats.ucla.edu/stat/stata/faq/count.htm@

.e FAQ
.c faq
.t How can I check for homogeneity of variance in a factorial ANOVA?
.a UCLA Academic Technology Services
.k ucla stat-istics anova anal-ysis variance-s factori-al design-s bartlett-s
.k test-s test-ing homog-eneity
.x
	4/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/chkhom.htm!http://www.ats.ucla.edu/stat/stata/faq/chkhom.htm@

.e FAQ
.c faq
.t How can I handle the "no room to add more observations" error?
.a UCLA Academic Technology Services
.k ucla rc 901 r(901) mem-ory set obs-ervations
.x
	2/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/setmemory.htm!http://www.ats.ucla.edu/stat/stata/faq/setmemory.htm@

.e FAQ
.c faq
.t How can I handle the "matsize too small" error?
.a UCLA Academic Technology Services
.k ucla util-ity matsize set matr-ices matr-ix rc 146 r(146) 908 r(908)
.x
	2/00	@browser:http://www.ats.ucla.edu/stat/stata/faq/matsize.htm!http://www.ats.ucla.edu/stat/stata/faq/matsize.htm@

.e FAQ
.c faq
.t How can I input a small dataset quickly?
.a UCLA Academic Technology Services
.k ucla data-sets set-s small input-ting input-ing
.x
	10/99	@browser:http://www.ats.ucla.edu/stat/stata/faq/inputquick.htm!http://www.ats.ucla.edu/stat/stata/faq/inputquick.htm@

.e Example
.c faq
.t Sample session
.k examp-les stat-istics data-sets set-s manage-ment graph-s graph-ics
.k graph-ing describ-e list-s summ-arize by tab-ulate tab-ulations corr-elate
.k corr-elations reg-ressions model-s
.x
	@browser:http://www.stata.com/info/capabilities/session/!http://www.stata.com/info/capabilities/session/@

.e Example
.c faq
.t Capabilities:  linear regression and influence
.k examp-les stat-istics reg-ressions linear plot-s diagnos-tics rvfplot
.k resid-uals versus vs fit-ted lvr2plot lever-age avplot-s add-ed var-iables
.k pred-ictions cook-sd d dfbeta-s
.x
	@browser:http://www.stata.com/info/capabilities/linear/fit.html!http://www.stata.com/info/capabilities/linear/fit.html@

.e Example
.c faq
.t Capabilities:  ANOVA & ANCOVA
.k examp-les stat-istics anova anocova ancova anal-ysis variance-s cov-ariances
.k factori-al design-s nest-ed way n-way unbal-anced bal-anced one-way two-way
.k repeat-ed meas-ures greenhouse-geisser geisser huynh-feldt feldt mixed
.k tabl-es test-s test-ing
.x
	@browser:http://www.stata.com/info/capabilities/linear/anova.html!http://www.stata.com/info/capabilities/linear/anova.html@

.e Example
.c faq
.t Capabilities:  quantile regression
.k examp-les stat-istics qreg med-ians quantile-s reg-ressions linear
.k mad lav least abs-olute dev-iations
.x
	@browser:http://www.stata.com/info/capabilities/linear/qreg.html!http://www.stata.com/info/capabilities/linear/qreg.html@

.e Example
.c faq
.t Capabilities:  GEE for panel data
.k examp-les stat-istics xt-gee probit binom-ial exch-angeable corr-elations
.k link family glm gee general-ized eq-uations est-imates est-imation
.k est-imators
.x
	@browser:http://www.stata.com/info/capabilities/panel/xtgee.html!http://www.stata.com/info/capabilities/panel/xtgee.html@

.e Example
.c faq
.t Capabilities:  cross-sectional time-series regression
.k examp-les stat-istics xt-reg cross section-al time-series series panel-s
.k reg-ressions xt-haus hausm-ans specifica-tion test-s test-ing rand-om
.k effect-s fix-ed xt-sum xt-tab xt-trans
.x
	@browser:http://www.stata.com/info/capabilities/panel/xtreg.html!http://www.stata.com/info/capabilities/panel/xtreg.html@

.e Example
.c faq
.t Capabilities:  logistic regression
.k examp-les stat-istics logis-tic reg-ressions mlogit logit multin-omial
.k clogit cond-itional ologit order-ed ordinal
.x
	@browser:http://www.stata.com/info/capabilities/binary/logistic.html!http://www.stata.com/info/capabilities/binary/logistic.html@

.e Example
.c faq
.t Capabilities:  Poisson regression
.k examp-les stat-istics poisson reg-ressions
.x
	@browser:http://www.stata.com/info/capabilities/binary/poisson.html!http://www.stata.com/info/capabilities/binary/poisson.html@

.e Example
.c faq
.t Capabilities:  factor analysis
.k examp-les stat-istics factor-s anal-ysis scor-e scor-ing alpha cron-bachs
.x
	@browser:http://www.stata.com/info/capabilities/mv/factor.html!http://www.stata.com/info/capabilities/mv/factor.html@

.e Example
.c faq
.t Capabilities:  principal components
.k examp-les stat-istics factor-s princ-ipal compon-ents anal-ysis greigen
.k graph-s graph-ics scree eigen-values eigen-vectors scor-e scor-ing
.x
	@browser:http://www.stata.com/info/capabilities/mv/pcomp.html!http://www.stata.com/info/capabilities/mv/pcomp.html@

.e Example
.c faq
.t Capabilities:  bootstrap sampling & estimation
.k examp-les stat-istics bstrap resamp-le resamp-ling samp-ling est-imation
.k boot-strapped est-imates
.x
	@browser:http://www.stata.com/info/capabilities/bootstrap/boot.html!http://www.stata.com/info/capabilities/bootstrap/boot.html@

.e Example
.c faq
.t Capabilities:  maximum likelihood estimation
.k examp-les stat-istics ml-e max-imum like-lihood max-imization max-imize
.x
	@browser:http://www.stata.com/info/capabilities/ml/ml.html!http://www.stata.com/info/capabilities/ml/ml.html@

.e Example
.c faq
.t Capabilities:  survey commands
.k examp-les stat-istics survey-s svy svymean svyset mean-s svylc
.k linear comb-inations svylogit logis-tic logit svydes
.x
	@browser:http://www.stata.com/info/capabilities/svy/svy.html!http://www.stata.com/info/capabilities/svy/svy.html@