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Stata 9 软件更新 (下载 2006-08-28 补丁) |
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2006-08-31
pomine.com |
Stata 9 可执行文件和 ado 文件都已更新到 2006-08-28 的最新补丁，如您能在 Stata 中直接连接 StataCorp 的服务器，请使用 update all 命令进行自动更新。
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如果不能在 Stata 中直接连接服务器，请参照下面的页面，进行手动更新：
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Stata 9 可执行文件手动更新说明
Stata 9 ado 文件手动更新说明
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___2006-08-28 补丁更新内容___
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Ado-files
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1. Online help and the search index have been brought up to date for
Stata Journal 6(3).
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2. clogit standard errors were not correct if pweights were used
without option cluster(). This problem has been fixed.
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3. cloglog and xtcloglog reported error messages when the collinear
option was specified even when constraints were specified that
properly identified the model. This problem has been fixed.
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4. graph bar, in rare cases, produced bars based on incorrect values
when a variable was repeated for a statistic and followed by another
statistic and variable. This problem has been fixed.
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5. histogram, kdensity, twoway histogram, twoway kdensity, twoway lfit,
and twoway qfit produced unusable graphs when the by() option
identified one or more groups that resulted in an empty graph. This
problem has been fixed.
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6. linktest, when run after glm, used a Stata 6 version of glm rather
than the modern one. This problem has been fixed.
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7. ml commands using fweights with options technique(bhhh) or vce(opg)
produced incorrect standard error estimates. This problem has been
fixed.
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8. ml exited with an unhelpful error message when checking for
convergence and the likelihood evaluator resulted in an unstable or
asymmetric Hessian matrix. This problem has been fixed.
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9. nestreg returned an error message when svy omitted strata due to
zero weights or subpopulation estimation. This problem has been
fixed.
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10. The function evaluator version of nl exited with an error if the
user tried to pass any options to the function evaluator program.
This problem has been fixed.
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11. nlogit's robust standard-error calculation failed to take into
account the within-choice-set correlation inherent to nlogit models.
This problem has been fixed.
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12. pcamat, factormat, corr2data, and drawnorm now allow singular
correlation (or covariance) structures. pcamat, factormat,
corr2data, and drawnorm have new option forcepsd that maps a matrix
intended to be correlations (covariances) into a
positive-semidefinite singular correlation (covariance) matrix.
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13. ranksum now allows by() to contain a string variable.
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14. _rmdcoll's nocollin option has been renamed to normcoll. The
nocollin option will continue to work as a synonym for normcoll but
will become undocumented.
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15. stepwise dropped variables collinear with the constant even when the
noconstant option was specified in the prefixed command. This
problem has been fixed.
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16. svy jackknife sometimes reported the number of subpopulation
observations and subpopulation size even when the subpop() option
was not specified. This problem has been fixed.
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17. table's format() option was not applied to the frequency column when
the frequency was greater than nine digits. This problem has been
fixed.
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18. testnl with an expression that included a comma produced an error
message. Expressions that are bound in parentheses now allow
commas. For example, testnl _b[x]=M[1,3] is still not allowed,
whereas testnl (_b[x]=M[1,3]) is now allowed.
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19. tsset and xtset now indicate whether the panels are balanced.
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Stata executable, all platforms
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20. asmprobit sometimes incorrectly marked the estimation sample when
invalid observations were dropped. This problem has been fixed.
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21. graph twoway plot types pcarrow, pcbarrow, and pcarrowi may now be
drawn on plot regions with log scales or reversed scales.
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22. Once logit, logistic, or probit reported an error 902 (no room to
add more variables due to width), the error would continue being
reported on subsequent attempts even after the memory had been set
to a value large enough to perform the estimation. This problem has
been fixed.
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23. Mata function findexternal() is updated to allow returning pointers
to functions as well as matrices, vectors, and scalars.
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24. svy brr, svy jackknife, svy: mean, svy: proportion, svy: ratio, and
svy: total did not omit strata for which every observation contained
a zero sampling weight. This problem has been fixed.
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Stata executable, Windows and Macintosh
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25. When Stata checked if an update was available from Stata's web site
but no updating was performed, it displayed a note that an update
was available after Stata was launched. In rare cases, Stata's
update status was not synchronized with Stata's web site. This
problem has been fixed. |
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