stata11.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

	^lookup^ was renamed @search@ and indexing of FAQs added to Stata 6

.e STB-39 @net:stb 39 dm49!dm49@
.c stb
.t Some new matrix commands
.a J. Weesie
.k matginv matrank matcond matorth matnull matnorm matsum matmax matmin matfunc
.k matrand varcond varrank varorth varnull matr-ix matr-ices command-s varfunc
.k data-sets set-s manage-ment gram schmidt
.k general-ized inv-erse rank condition number orthog-onalization basis
.o @matfunc@, @varfunc@ if installed
.x
	9/97	pp.17--20; STB Reprints Vol 7, pp.43--48
	collection of new matrix commands; several for explicit matrices
	and a few for implicit matrices (i.e., variables)

.e STB-39 @net:stb 39 ip19!ip19@
.c stb
.t Using expressions in Stata commands
.a J. Weesie
.k expr-essions command-s expans-ion exprcmd prog-ramming prog-rams
.o @expr@ if installed
.x
	9/97	pp.20-22; STB Reprints Vol 7, pp.83--85
	programs that enable expression expansion in many Stata commands

.e STB-39 @net:stb 39 sbe17!sbe17@
.c stb
.t Discrete time proportional hazards regression
.a S. Jenkins
.k propor-tional haz-ards model-s reg-ressions time discrete pgmhaz
.k ml-e max-imum like-lihood epi-demiological epi-demiology duration
.k surviv-al fail-ure anal-ysis stat-istics est-imation est-imates reliab-ility
.k prentice gloeckler meyer gamma mix-tures stat-istics pgm_ll
.k frail-ties frailty heterog-eneity
.o @pgmhaz@ if installed
.x
	9/97	pp.22--32; STB Reprints Vol 7, pp.109--121
	estimates Prentice-Gloeckler (1978) model and the Meyer (1990)
	extension of this model that incorporates a gamma mixture
	distribution to summarize unobserved individual heterogeneity

.e STB-39 @net:stb 39 sg72!sg72@
.c stb
.t Newey-West standard errors for probit, logit, and poisson models
.a J. Hardin
.k stat-istics
.k newey stat-istics est-imation est-imates nwest
.k reg-ressions newey-west west std stand-ard err-ors
.k prob-ability weight-ing robust meth-ods samp-ling samp-les clus-ters
.k weight-ed pw-eights clus-tering serial-ly corr-elations autocor-relations
.k huber white-s weight-ed stand-ard err-ors std bias-ed sandw-ich
.k general-ized mom-ents gmm hetero-skedasticity hetero-scedasticity hsc
.k probit logit poisson _newey
.o @nwest@ if installed
.x
	9/97	pp32--35; STB Reprints Vol 7, pp.182--186

.e STB-38 @net:stb 38 dm48!dm48@
.c stb
.t An enhancement of reshape
.a J. Weesie
.k reshape data-sets set-s manage-ment
.k reorganize panel-s longi-tudinal cross section-al time series reshape2
.o @reshape2@ if installed
.z
.x
	7/97	pp.2--4; STB Reprints Vol 7, pp.40--43
	all improvements have been incorporated into new @reshape@
	command; see stata48

.e STB-38 @net:stb 38 sbe16!sbe16@
.c stb
.t Meta-analysis
.a S. Sharp and J. Sterne
.k stat-istics meta anal-ysis
.o @meta@ if installed
.x
	7/97	pp.9--14; STB Reprints Vol 7, pp.100--106
	meta analysis for an outcome of two exposure groups or two
	treatment regimens

.e STB-38 @net:stb 38 sbe15!sbe15@
.c stb
.t Age-specific reference intervals for normally distributed data
.a E. Wright and P. Royston
.k age specific reference interv-als growth chart-s stat-istics xrigls
.k gls frac-tional poly-nomials centcalc
.o @xrigls@, @centcalc@ if installed
.x
	7/97	pp.4--9; STB Reprints Vol 7, pp.93--100
	fit reference intervals using fractional polynomial gls method

.e STB-38 @net:stb 38 sg71!sg71@
.c stb
.t Routines to maximize a function
.a C. Ferrall
.k stat-istics amoeba quasi func-tions max-imize max-imization optimi-zation
.k min-imization min-imize bfgs bhhh simplex myols powell tobin
.o @amoeba@ if installed
.x
	7/97	pp.22--26; STB Reprints Vol 7, pp.176--181
	routines to maximize a multi-dimensional function

.e STB-38 @net:stb 38 sg70!sg70@
.c stb
.t Interquantile and simultaneous-quantile regression
.a W. Gould
.k quantile-s reg-ressions std stand-ard err-ors resid-uals iqreg sqreg
.k hetero-skedasticity hetero-scedasticity boot-strapped stat-istics
.k interquantile-s simult-aneous bsampl_w qreg_c
.o @iqreg@, @sqreg@ if installed
.z
.x
	7/97	pp.14--22; STB Reprints Vol 7, pp.167--176
	estimates interquantile and simultaneous-quantile regressions,
	providing bootstrapped estimates of standard errors; added to
	Stata 6 -- @qreg@

.e STB-38 @net:stb 38 smv3.2!smv3.2@
.c stb
.t Enhancements to discriminant analysis
.a J. Hilbe
.k dicho-tomous discrim-inant stat-istics
.o @discrim@ if installed
.x
	7/97	pp.26--27; STB Reprints Vol 7, p.229
	additional output is added when the ^predict^ option is specified

.e STB-38 @net:stb 38 snp13!snp13@
.c stb
.t Nonparametric assessment of multimodality for univariate data
.a Salgado-Ugarte, Shimizu, Taniuchi
.k stat-istics nonpar-ametric non param-etric multimod-ality silverman test-s
.k warpdenm silvtest boot-strapped univar-iate numode bandw bcvwarpw bootsam
.k l2cvwarw test-ing
.o @warpdenm@ if installed
.x
	7/97 	pp.27--35; STB Reprints Vol 7, pp.232--243
	implementation of smoothed bootstrap procedure of Silverman for
	multimodality assessment

.e STB-37 @net:stb 37 dm47!dm47@
.c stb
.t Verifying value label mappings
.a J. Weesie
.k data-sets set-s manage-ment unlabeld value-s label-s map-ping
.o @unlabeld@ if installed
.x
	5/97	pp.7--8; STB Reprints Vol 7, pp.39--40
	alternative to @codebook@ for obtaining list of unlabeled values

.e STB-37 @net:stb 37 dm46!dm46@
.c stb
.t Enhancement to the sample command
.a J. Weesie
.k data-sets set-s manage-ment sample2 samp-les rand-om samp-ling draw
.k propor-tional read strat-ified enter input-ting input-ing load
.o @sample2@ if installed
.x
	5/97	pp.6--7; STB Reprints Vol 7, pp.37--38
	extension of @sample@ that allows sampling clusters of observations
	rather than individual observations

.e STB-37 @net:stb 37 dm45!dm45@
.c stb
.t Changing string variables to numeric
.a N. J. Cox and W. Gould
.k data-sets set-s manage-ment str-ings var-iables num-eric num-bers real
.k convers-ions destring convert
.o @destring@ if installed
.z
.x
	5/97	pp.4--6; STB Reprints Vol 7, pp.34--37
	incorporated into Stata 7.0

.e STB-37 @net:stb 37 dm44!dm44@
.c stb
.t Sequences of integers
.a N. J. Cox
.k data-sets set-s manage-ment seq sequence-s int-egers creat-e var-iables
.o @seq@ if installed
.z
.x
	5/97	pp.2--4; STB Reprints Vol 7, pp.32--33
	@egen@ now has ^seq()^ function

.e STB-37 @net:stb 37 gr26!gr26@
.c stb
.t Bin smoothing and summary on scatter plots
.a N. J. Cox
.k graph-s graph-ics bin-s smooth-ing scat-terplots binsm plot-s mad
.o @binsm@ if installed
.x
	5/97	pp.9--12; STB Reprints Vol 7, pp.59--63
	alternative to ^graph, twoway bands()^; produces a scatterplot
	of yvar against xvar with one or more summaries of yvar for bins
	of xvar

.e STB-37 @net:stb 37 ip18!ip18@
.c stb
.t A command for randomly resampling a dataset
.a J. R. Gleason
.k prog-ramming prog-rams samp-ling rand-om samp-les resample
.o @resample@ if installed
.x
	5/97	pp.17--22; STB Reprints Vol 7, pp.77--83
	easy-to-use command for generating random samples with replacement
	that requires no knowledge of Stata programming

.e STB-37 @net:stb 37 ip17!ip17@
.c stb
.t While loops from the command line
.a J. R. Gleason
.k prog-ramming prog-rams loopdef loop-s while loop-ing
.o @loopdef@, @loop@ if installed
.z
.x
	5/97	pp.12--17; STB Reprints Vol 7, pp.71--76
	permits while loops to be built and used interactively;
	ability added to Stata 6

.e STB-37 @net:stb 37 smv7!smv7@
.c stb
.t Inference on principal components
.a J. Weesie
.k stat-istics princ-ipal compon-ents anal-ysis pca
.o @pca@ if installed
.z
.x
	5/97 	pp.22--23; STB Reprints Vol 7, pp.229--231
	standard errors for principal components added to Stata 9

.e STB-37 ssa9.1
.c stb
.t Survival analysis subroutine for programmers
.a W. Gould
.k stcox stat-istics est-imation est-imates stcoxe exact tie-s duration
.k propor-tional haz-ards model-s st reg-ressions ratio-s rate-s
.k ml-e max-imum like-lihood epi-demiological epi-demiology reliab-ility
.k exp-onential distrib-utions weib-ull surviv-al fail-ure anal-ysis time
.k relativ-e risk-s graph-ics data kaplan meier prog-rams prog-rammers
.k baseline vary-ing reg-ressors censor-ed censor-ing graph-s cox st_rpool
.o @stcoxe@, @st_rpool@ if installed
.z
.x
	5/97	pp.26--30; STB Reprints Vol 7, pp.249--253
	converts the st data in memory to data on the risk pools;
	variable newvar is created indexing the pools; data must have
	been @stset@; see ssa9 for commands

.e STB-37 @net:stb 37 ssa9!ssa9@
.c stb
.t Cox proportional hazards model with exact calculation for ties
.a W. Gould
.k stcox stat-istics est-imation est-imates stcoxe exact tie-s
.k propor-tional haz-ards model-s st reg-ressions ratio-s rate-s
.k ml-e max-imum like-lihood epi-demiological epi-demiology duration
.k exp-onential distrib-utions weib-ull surviv-al fail-ure anal-ysis time
.k relativ-e risk-s graph-ics data kaplan meier reliab-ility
.k baseline vary-ing reg-ressors censor-ed censor-ing graph-s cox st_rpool
.o @stcoxe@, @st_rpool@ if installed
.z
.x
	5/97	pp.24--26; STB Reprints Vol 7, pp.246--249
	alternative to @stcox@ that uses the exact calculation for
	failures occurring at the same time; @stcox@ uses the Peto-
	Breslow approximation

.e STB-36 @net:stb 36 gr25!gr25@
.c stb
.t Spike plots for histograms, rootograms, and time-series plots
.a N. J. Cox and A. Brady
.k graph-s graph-ics spike plot-s hist-ograms rootogram-s time series spikeplt
.o @spikeplt@ if installed
.z
.x
	3/97	pp.8--11; STB Reprints Vol 6, pp.50--54
	automates the production of spike plots; added to Stata 6

.e STB-36 @net:stb 36 gr24!gr24@
.c stb
.t Easier bar charts
.a N. J. Cox
.k graph-s freq-uencies freq-uency bar-s chart-s stack-ed graph-ics vbar
.o @vbar@ if installed
.z
.x
	3/97	pp.4--8; STB Reprints Vol 6, pp.44--50
	incorporated into Stata 8.0; see help @graph@

.e STB-36 @net:stb 36 gr16.1!gr16.1@
.c stb
.t Convex hull plots
.a N. J. Cox
.k convex hull-s conhull condraw graph-s graph-ics chplot
.o @chplot@ if installed
.x
	3/97	pp.2--3; STB Reprints Vol 6, pp.25--27
	different interface for ^conhull^ and ^condraw^ programs

.e STB-36 @net:stb 36 ip16!ip16@
.c stb
.t Using dialog boxes to vary program parameters
.a H. J. Newton
.k win-dows control-s dial-ogs dial-ogues box-es mac-intosh creat-e
.k prog-ramming prog-rams ptransdb
.o @ptransdb@
.x
	3/97	pp.11-14; STB Reprints Vol 6, pp.77--81
	explanation of use of dialog boxes to rapidly vary the value
	of a parameter

.e STB-36 @net:stb 36 sbe14!sbe14@
.c stb
.t OR's & ci's for logistic reg. models with effect modification
.a J. Garrett
.k logis-tic stat-istics odds ratio-s reg-ressions model-s conf-idence
.k interv-als effect-s modifi-cation effmod interactio-ns term-s
.o @effmod@ if installed
.x
	3/97	pp.15--22; STB Reprints Vol 6, pp.104--114
	calculate odds ratios and confidence intervals for logistic
	regression models with significant interaction terms

.e STB-36 @net:stb 36 sbe13.2!sbe13.2@
.c stb
.t Correction to age-specific reference intervals
.a E. Wright and P. Royston
.k age specific reference interv-als growth chart-s xriml centcalc stat-istics
.k _fracpp _fracxo _jprxrpa fracgen xri_enll xri_mell xri_mpll xri_nll
.k xri_pnll xri_slll
.o @xriml@, @centcalc@ if installed
.x
	3/97	p.15; STB Reprints Vol 6, p.104
	correction to ^xriml^

.e STB-36 @net:stb 36 sg69!sg69@
.c stb
.t Immediate Mann-Whitney and binomial effect-size display
.a R. Goldstein
.k mann-whitney whitney binom-ial effect-s size display immed-iate stat-istics
.k mwstati besd
.o @mwstati@, @besd@ if installed
.x
	3/97	pp.29--31; STB Reprints Vol 6, pp.187--189
	commands that provide translations from statistical tests to
	more meaningful indices

.e STB-36 @net:stb 36 sg68!sg68@
.c stb
.t Goodness-of-fit statistics for multinomial distributions
.a J. Weesie
.k stat-istics gof goodness fit multin-omial distrib-utions
.o @gof@ if installed
.x
	3/97	pp.26--28; STB Reprints Vol 6, pp.183--186
	command that computes goodness-of-fit statistics for multinomial
	distributed observations and expected values

.e STB-36 @net:stb 36 sg67!sg67@
.c stb
.t Univariate summaries with boxplots
.a J. R. Gleason
.k univar-iate summ-ary summ-aries box-plots plot-s stat-istics
.o @univar@ if installed
.x
	3/97	pp.23--25; STB Reprints Vol 6, pp.179--183
	command that offers a streamlined display of univariate summaries,
	including, optionally, text-mode boxplots

.e STB-35 crc46
.c stb
.t Better numerical derivatives and integrals
.k dydx integ stat-istics graph-s graph-ics area
.k numer-ical derivative-s integral-s func-tions
.o @dydx@
.z
.x
	1/97	pp.3--5; STB Reprints Vol 6, pp.8--12
	improved versions of @dydx@ and @integ@ that give more accurate
	estimates of the derivative and the integral; also handles
	datasets with tied x values; available in Stata 6

.e STB-35 crc45
.c stb
.t New options for survival-time data
.k st-set stat-istics
.k surviv-al time data fail-ure anal-ysis reliab-ility duration
.o @stset@
.z
.x
	1/97	p.2; STB Reprints Vol 6, pp.7--8
	adds two new options to @stset@; available in Stata 6