- 783.61 KB
- 2024-10-28
- 2.32 MB
- 2024-10-26
- 3.05 MB
- 2024-10-26
- 754 KB
- 2024-10-23
-
The Economic History Review - 2012 - MAZUMDER - The Great Deflation of 1929 33 .pdf
- 308.32 KB
- 2024-9-29
-
数字经济-中国电子商务发展情况(年)2013-202312.zip
本附件包括：- Copyright notice.pdf
- DM_ChinaEcommDevelopY[DES][xlsx].txt
- DM_ChinaEcommDevelopY.xlsx
- 186.64 KB
- 2024-5-27
- 92.78 MB
- 2024-4-19
- 98 MB
- 2024-4-19
-
Practical Natural Language Processing A Comprehensive Guide to Building Real-Wor.zip
本附件包括：- Practical Natural Language Processing A Comprehensive Guide to Building Real-World NLP Systems by Sowmya Vajjala, Bodhisattwa Majumder, Anuj Gupta, Harshit Surana (z-lib.org).pdf
- 29.47 MB
- 2023-7-15
-
Dagum 基尼系数.zip
dagum基尼系数MATLAB代码本附件包括：- Dagum.p
- DagumDeco.m
- example.xls
- example原始数据.xls
- example数据集分解结果示例.xls
- LM_test.mat
- ReadMe.txt
- 501.85 KB
- 2023-7-9
-
全国分省裁剪30m、90m、250m、1000mDEM高程NASASRTMASTER数据TIF栅格格式的网盘链接.docx
- 69.29 KB
- 2023-2-14
- 69.33 KB
- 2023-2-14
- 2.62 MB
- 2022-8-24
-
本附件包括：
- DM_ChinaEcommDevelopY[DES][xlsx].txt
- DM_ChinaEcommDevelopY.xlsx
- 4.54 KB
- 2022-6-2
-
mde.3562.pdf
(科研通-ablesci.com) - 3.36 MB
- 2022-3-7
-
PublishedJenniLee_OhChi-Ok_TheCausalEffectsofPlaceAttachmentandTourismDevelopmen.pdf
- 747.91 KB
- 2021-10-16
-
Dagum基尼系数计算及分解程序.zip
附详细教程，无matlab基础可算本附件包括：- chart结果说明.txt
- Dagum.p
- DagumDeco.m
- example.xls
- 使用方法.jpg
- 结果整理.xls
- 2.08 MB
- 2021-7-24
- 25.34 MB
- 2021-5-20
-
dagumDeco.rar
现成代码 - 173.26 KB
- 2021-4-19
-
本附件包括：
- 两阶段视角下高技术产业技术创新效_省略_于网络SBM模型和DEA窗口分析_陈建丽.pdf
- 中国能源环境全要素生产率评价研究_省略_EA_Malmquist指数模型_向小东.pdf
- 基于PCA和网络DEA模型的中国工业企业研发效率和经营效率评价_方健雯.pdf
- 基于两阶段关联DEA模型的我国商业银行效率评价_周逢民.pdf
- 基于网络DEA的我国铁路运输企业效率评价研究_高莹.pdf
- 基于网络SBM_DEA模型和GML指数的中国各省工业用水效率研究_邓光耀.pdf
- 我国区域R_D投入绩效评价研究_基于关联网络DEA模型_尹伟华.pdf
- 网络DEA模型的生产理论背景_韩松.pdf
- 考虑非期望产出的网络SBMDEA效率评价模型_祝丽云.pdf
- 资源约束型两阶段生产系统的DEA效率评价模型_毕功兵.pdf
- 6.09 MB
- 2021-3-11
-
glmdemo.sav.rar
GLMdemo本附件包括：- glmdemo.sav
- 21.11 KB
- 2020-8-24
-
Sandip Mazumder-Numerical Methods for Partial Differential Equations. Finite Dif.zip
本附件包括：- Sandip Mazumder-Numerical Methods for Partial Differential Equations. Finite Difference and Finite Volume Methods-Academic Press.pdf
- 21.69 MB
- 2018-11-14
- 600.23 KB
- 2017-12-5
-
LIMDEP 11 Reference Guide.pdf
LIMDEP 11 Reference Guide.pdf - 7.39 MB
- 2016-10-9
-
LIMDEP 11 Econometric Modeling Guide.pdf
LIMDEP 11 Econometric Modeling Guide.pdf - 10.41 MB
- 2016-10-9
-
JPMDerivativesThemesCorrelation.pdf
JPMDerivativesThemesCorrelation - 609.04 KB
- 2016-5-28
- 533.68 KB
- 2016-4-25
- 383.83 KB
- 2016-4-25
- 117.58 KB
- 2016-4-25
- 121.04 KB
- 2016-4-25
- 254.08 KB
- 2016-4-25
- 146.55 KB
- 2016-4-25
- 2.12 MB
- 2016-2-12
- 2.17 MB
- 2015-11-8
- 11.45 MB
- 2015-10-27
- 4.16 MB
- 2015-9-5
- 161.44 KB
- 2015-9-2
- 3.89 MB
- 2015-5-27
- 277.69 KB
- 2015-1-17
-
极端降水指数计算软件.rar
压缩文件包括软件和中英文使用说明本附件包括：- rclimdex.r
- RClimDex气候极值计算软件用户手册(英文).doc
- RClimDex（极端气候指数计算软件）中文用户手册（陈昌春译）.doc
- 611.89 KB
- 2014-11-6
-
TheoryOfMechanismDesign.pdf
机制设计理论 - 1.1 MB
- 2014-10-6
-
本附件包括：
- CME_Mautosalesarea.xls
- CME_Mautosalesarea[DES][xls].txt
- CME_Mcommerbulidsold.xls
- CME_Mcommerbulidsold[DES][xls].txt
- CME_Mconstructrealestate.xls
- CME_Mconstructrealestate[DES][xls].txt
- CME_Mconsumerpriceratio.xls
- CME_Mconsumerpriceratio[DES][xls].txt
- CME_Mdesignatedsizeretail.xls
- CME_Mdesignatedsizeretail[DES][xls].txt
- CME_MEPMProducPriceChange.xls
- CME_MEPMProducPriceChange[DES][xls].txt
- CME_Mfoodaverpricechange.xls
- CME_Mfoodaverpricechange[DES][xls].txt
- CME_Mindproductoutput.xls
- CME_Mindproductoutput[DES][xls].txt
- CME_Mindustryvalueadd.xls
- CME_Mindustryvalueadd[DES][xls].txt
- CME_Minvestfixasset.xls
- CME_Minvestfixasset[DES][xls].txt
- CME_Minvestfixedassetactual.xls
- CME_Minvestfixedassetactual[DES][xls].txt
- CME_Minvestrealestate.xls
- CME_Minvestrealestate[DES][xls].txt
- CME_Mmaineconomicdata.xls
- CME_Mmaineconomicdata[DES][xls].txt
- CME_Mmainindustryvalueadd.xls
- CME_Mmainindustryvalueadd[DES][xls].txt
- CME_Mmainproductoutput.xls
- CME_Mmainproductoutput[DES][xls].txt
- CME_Mproducerpriceratio.xls
- CME_Mproducerpriceratio[DES][xls].txt
- CME_Mproductelectinforindy.xls
- CME_Mproductelectinforindy[DES][xls].txt
- CME_Mpurchasepriceratio.xls
- CME_Mpurchasepriceratio[DES][xls].txt
- CME_Mretailsales.xls
- CME_Mretailsales[DES][xls].txt
- CME_Msectorinvestfixasset.xls
- CME_Msectorinvestfixasset[DES][xls].txt
- CME_Qmcitylandprices.xls
- CME_Qmcitylandprices[DES][xls].txt
- CME_Qqgdp.xls
- CME_Qqgdp[DES][xls].txt
- CME_Qurbanearnexpend.xls
- CME_Qurbanearnexpend[DES][xls].txt
- 1.43 MB
- 2014-7-24
-
Limdep9.zip
limdep计量软件 - 2.91 MB
- 2014-4-25
- 274.16 KB
- 2014-4-10
-
TheoryOfMechanismDesign[1].pdf
《TheoryOfMechanismDesign》（Tilman Borgers） - 1.09 MB
- 2014-4-4
-
limdep和nlogit说明书.zip
limdep和nlogit说明书本附件包括：- NLOGIT说明书.pdf
- LIMDEP说明书.pdf
- 3.99 MB
- 2013-10-2
-
LIMDEP9.rar
limdep本附件包括：- LIMDEP-Short-Student-Manual.pdf
- 5.19 MB
- 2013-10-2
-
Limdep_user_gade.pdf
格林 Limdep_user_gade.pdf - 288.51 KB
- 2013-7-29
- 265.27 KB
- 2013-7-18
- 1.36 MB
- 2012-12-8
- 125.23 KB
- 2012-12-5
- 30.45 KB
- 2012-12-5
- 247.72 KB
- 2012-12-5
- 3.08 MB
- 2012-8-12
-
lecture.rar
讲义提纲+5个专题讲义本附件包括：- Topic 5 MIIV-2SLS 2012 Bollen.pdf
- SEM Beijing Syllabus 2012.pdf
- Topic 1 Intro SEM 2012 Bollen.pdf
- Topic 1 Supplement BollenBauldry Stata sem procedure 2012.pdf
- Topic 2 Simultaneous Eqs 2012 Bollen.pdf
- Topic 3 CFA 2012 Parts 1 and 2 Bollen.pdf
- Topic 3 Supplement BIC Notes DimDemoc Ex 2012 Bollen.pdf
- Topic 3 Supplement Measure of Reliability 2012 Bollen.pdf
- Topic 4 General SEM 2012 Bollen.pdf
- 1.74 MB
- 2012-8-5
- 7.61 MB
- 2012-7-8
- 11.67 MB
- 2012-7-8
-
120211.zip
Matlab Codes本附件包括：- setup.m
- README.txt
- cap.m
- LICENSE.txt
- gpl.txt
- FactorGraph.m
- checkFactorGraph.m
- absorb.m
- absorption.m
- absorptionID.m
- ancestors.m
- ancestralorder.m
- ancestralsample.m
- assign.m
- bar3zcolor.m
- bucketelim.m
- condindep.m
- condpot.m
- dag.m
- deltapot.m
- descendents.m
- disptable.m
- divpots.m
- edges.m
- elimtri.m
- evalpot.m
- eyepot.m
- ind2subv.m
- istree.m
- jtassignpot.m
- jtree.m
- jtreeID.m
- lengthcell.m
- markov.m
- maxpot.m
- maxprodFG.m
- maxsumpot.m
- mostprobablepath.m
- multpots.m
- numstates.m
- orderpotfields.m
- orderpot.m
- potscontainingonly.m
- potvariables.m
- randgen.m
- replace.m
- setdiff_unsorted.m
- setevpot.m
- setpot.m
- spantree.m
- subv2ind.m
- triangulateComponent.m
- sumpot.m
- sumpots.m
- sumprodFG.m
- triangulate.m
- triangulatePorder.m
- uniquepots.m
- validgridposition.m
- whichpot.m
- maxarray.m
- connectedComponents.m
- changevar.m
- FactorConnectingVariable.m
- VariableConnectingFactor.m
- drawFG.m
- maxNarray.m
- maxNpot.m
- maxNprodFG.m
- mvrandn.m
- dirrnd.m
- mygamrnd.m
- blanknames.m
- blankstates.m
- MesstoFact.m
- squeezepots.m
- MDPsolve.m
- table.m
- normp.m
- argmax.m
- potsample.m
- logpot.m
- condindepEmp.m
- condMI.m
- count.m
- chi2test.m
- neigh.m
- field2cell.m
- mynchoosek.m
- mynanmean.m
- MDPemDeterministicPolicy.m
- EMqTranMarginal.m
- EMqUtilMarginal.m
- EMminimizeKL.m
- EMvalueTable.m
- EMTotalBetaMessage.m
- sumpotID.m
- IDvars.m
- noselfpath.m
- parents.m
- children.m
- drawJTree.m
- drawNet.m
- drawID.m
- exppot.m
- LoopyBP.m
- MaxFlow.m
- myones.m
- setstate.m
- condindepPot.m
- myzeros.m
- myrand.m
- mostprobablepathmult.m
- mynansum.m
- isoctave.m
- potistyped.m
- logsigma.m
- setfields.m
- PCskeletonOracle.m
- PCorient.m
- PCskeletonData.m
- BDscore.m
- learnBayesNet.m
- normpot.m
- KLdiv.m
- condMIemp.m
- MIemp.m
- squeezestates.m
- JTsample.m
- singleparenttree.m
- neighboursize.m
- argmin.m
- IPF.m
- nonzerovalue.m
- empdist.m
- learnMarkovDecomp.m
- EntropyEmp.m
- GibbsSample.m
- mylogsig.m
- grouppot.m
- ungrouppot.m
- groupstate.m
- makeThinJT.m
- gatherstrings.m
- getdimind.m
- EMbeliefnet.m
- majority.m
- nearNeigh.m
- svdm.m
- BayesLogRegressionRVM.m
- CanonVar.m
- GPreg.m
- LogReg.m
- avsigmaGauss.m
- covfnGE.m
- logdet.m
- plsa.m
- plsaCond.m
- sigmoid.m
- sigma.m
- softloss.m
- rbf.m
- kernel.m
- sqdist.m
- BayesLinReg.m
- HMMem.m
- condp.m
- condexp.m
- HMMviterbi.m
- HMMsmooth.m
- HMMforward.m
- HMMbackward.m
- logsumexp.m
- HMMgamma.m
- mixMarkov.m
- pointsCov.m
- GMMem.m
- Kmeans.m
- MIXprodBern.m
- LDSsmooth.m
- LDSsubspace.m
- LDSforwardUpdate.m
- LDSbackwardUpdate.m
- LDSforward.m
- LDSbackward.m
- SLDSforward.m
- SLDSbackward.m
- logeps.m
- mix2mix.m
- placeobject.m
- sumlog.m
- metropolis.m
- logp.m
- compat.m
- betaXbiggerY.m
- HebbML.m
- NaiveBayesTrain.m
- NaiveBayesTest.m
- NaiveBayesDirichletTrain.m
- NaiveBayesDirichletTest.m
- logZdirichlet.m
- SARlearn.m
- ARtrain.m
- HMMforwardSAR.m
- HMMbackwardSAR.m
- HMMsmoothSAR.m
- ARlds.m
- pca.m
- hinton.m
- FA.m
- plotCov.m
- GaussCond.m
- SVMtrain.m
- cca.m
- SLDSmargGauss.m
- binaryMRFmap.m
- GPclass.m
- cliquedecomp.m
- rasch.m
- conjgrad.m
- Contents.m
- 4.63 MB
- 2012-3-20
- 2.32 MB
- 2012-2-9
- 166.07 KB
- 2011-5-27
- 2.12 MB
- 2011-4-14
- 92.33 KB
- 2010-9-19
- 5.67 MB
- 2010-9-2
-
本附件包括：
- sop14.pdf
- sop11.pdf
- DEAP-xp1.zip
- sop12.pdf
- DEA.ppt
- class2.ppt
- sop2[1].pdf
- class7.ppt
- food.txt
- sop8.pdf
- sop9.pdf
- sop10.pdf
- sop13.pdf
- 14.6 MB
- 2010-9-2
-
本附件包括：
- readme.txt
- 1.45 MB
- 2010-9-2
-
Regression Models for Binary Dependent Variables Using Stata, SAS, R, LIMDEP, and SPSS.pdf
- 505.49 KB
- 2010-9-1
-
如何把excel中的数据导入Limdep中.doc
Nlogit4.0.rar - 22 KB
- 2010-7-17
-
mplus5.zip
http://www.dbank.com/download.action?t=40&k=MzQyMDE3Mzk=&pcode=LCw4MjM5MTUsODIzOTE1&rnd= - 14.73 MB
- 2010-6-15
- 268.07 KB
- 2010-1-8
-
本附件包括：
- 企业所得税法规.mde
- 202.14 KB
- 2009-12-22
-
本附件包括：
- 上市公司财务分析〖2002版本〗.mde
- 66.03 KB
- 2009-11-24
- 3.22 MB
- 2009-11-5
-
本附件包括：
- 上市公司财务分析〖2002版本〗.mde
- 66.03 KB
- 2009-8-7
-
linear model for panel data using sas stata limdep and spss.pdf
- 328.17 KB
- 2009-7-27
-
310338.rar
[分享]Panjer 的 operational risk本附件包括：- omdex.pdf
- booktext.pdf
- reference.pdf
- 1.pdf
- 2.pdf
- 3.pdf
- 4.pdf
- 5.pdf
- 6.pdf
- 7.pdf
- 8.pdf
- 9.pdf
- 10.pdf
- 11.pdf
- 12.pdf
- 13.pdf
- 14.pdf
- appendix a.pdf
- appendix b.pdf
- appendix c.pdf
- 27.2 MB
- 2009-3-31
-
245874.pdf
Linear Regression Models for Panel Data Using SAS,STATA, LIMDEP, and SPSS - 328.17 KB
- 2008-9-11
-
243212.pdf
[原创]Limdep软件下载 - 1.85 MB
- 2008-9-3
-
243210.rar
[原创]Limdep软件下载 - 1.46 MB
- 2008-9-3
-
243206.rar
[原创]Limdep软件下载 - 1.46 MB
- 2008-9-3
-
195662.rar
精通matlab综合辅导与指南 pdf以及原程序本附件包括：- mmderiv.m
- Contents.m
- expsin.m
- fsderiv.m
- fseval.m
- fsfind.m
- fsform.m
- fsharm.m
- fsmsv.m
- fsresize.m
- fsresp.m
- fsround.m
- fswindow.m
- iforgot.m
- mm4d.m
- mmap.m
- mmax.m
- mmaxes.m
- mmbox.m
- mmcaxisd.m
- mmclock.m
- mmcmapd.m
- mmcont2.m
- mmcont3.m
- mmctl1.m
- mmctl2.m
- mmctl3.m
- mmctl4.m
- mmctl5.m
- mmctl6.m
- mmctl7.m
- mmctl8.m
- mmcxy.m
- mmdraw.m
- mmenu1.m
- mmenu2.m
- mmenu3.m
- mmenu4.m
- mmenu5.m
- mmenus.m
- mmfill.m
- mmfind.m
- mmfont.m
- mmgca.m
- mmgcf.m
- mmgetxy.m
- mmhole.m
- mmin.m
- mminterp.m
- mmintgrl.m
- mmline.m
- mmn2px.m
- mmono.m
- mmp2str.m
- mmpadd.m
- mmpage.m
- mmpaper.m
- mmpsim.m
- mmpx2n.m
- mmsetc.m
- mmsetclr.m
- mmsetf.m
- mmshow.m
- mmspin3d.m
- mmtable.m
- mmtemp.m
- mmtext.m
- mmtile.m
- mmtool.m
- mmview3d.m
- mmzap.m
- mmzoom.m
- rainbow.m
- readme.m
- ReadMe.txt
- sawtooth.m
- shiftlr.m
- shiftud.m
- spderiv.m
- spintgrl.m
- vdpol.m
- 精通matlab综合辅导与指南.pdf
- 前言与目录.txt
- 1.57 MB
- 2008-3-4
-
123386.pdf
Linear Regression Models for panel data using SAS,Stata,Limdep and spss - 343.46 KB
- 2007-6-5
-
104427.zip
dea软件本附件包括：- mdeap.exe
- mdeap021.exe
- 708.42 KB
- 2007-4-1
-
79108.rar
Nlogit v 3.0(limdep 8.0+Nlogit 3.0的擴充版本) - 3.37 MB
- 2006-12-20
-
66436.rar
[下载]本附件包括：- limdep.pdf
- limdep2.pdf
- To_read_data_into_Limdep.doc
- 2.71 MB
- 2006-10-6
-
55988.zip
精通Matlab综合辅导与指南-源程序本附件包括：- mmderiv.m
- mmview3d.m
- expsin.m
- fsderiv.m
- fseval.m
- fsfind.m
- fsform.m
- fsharm.m
- fsmsv.m
- fsresize.m
- fsresp.m
- fsround.m
- fswindow.m
- iforgot.m
- mm4d.m
- mmap.m
- mmax.m
- mmaxes.m
- mmbox.m
- mmcaxisd.m
- mmclock.m
- mmcmapd.m
- mmcont2.m
- mmcont3.m
- mmctl1.m
- mmctl2.m
- mmctl3.m
- mmctl4.m
- mmctl5.m
- mmctl6.m
- mmctl7.m
- mmctl8.m
- mmcxy.m
- mmdraw.m
- mmenu1.m
- mmenu2.m
- mmenu3.m
- mmenu4.m
- mmenu5.m
- mmenus.m
- mmfill.m
- mmfind.m
- mmfont.m
- mmgca.m
- mmgcf.m
- mmgetxy.m
- mmhole.m
- mmin.m
- mminterp.m
- mmintgrl.m
- mmline.m
- mmn2px.m
- mmono.m
- mmp2str.m
- mmpadd.m
- mmpage.m
- mmpaper.m
- mmpsim.m
- mmpx2n.m
- mmsetc.m
- mmsetclr.m
- mmsetf.m
- mmshow.m
- mmspin3d.m
- mmtable.m
- mmtemp.m
- mmtext.m
- mmtile.m
- mmtool.m
- Contents.m
- mmzap.m
- mmzoom.m
- rainbow.m
- readme.m
- sawtooth.m
- shiftlr.m
- shiftud.m
- spderiv.m
- spintgrl.m
- vdpol.m
- ReadMe.txt
- 64.78 KB
- 2006-6-20
-
52542.zip
用limdep实现离散选择统计实例本附件包括：- choice_multi.lpj
- ordered_probit.lim
- nlogit.lim
- choice_multi.lim
- choice.pdf
- nlogit.lpj
- choice_binary.lpj
- choice_binary.lim
- 637.36 KB
- 2006-5-14
-
37332.rar
[下载]LIMDEP 7使用手册 - 5.67 MB
- 2006-1-12
-
35647.rar
[分享与讨论]英文著名经济学期刊 Economist 的文章与现场交流！！！本附件包括：- econ_marxismdebate.wma
- Marx after communism.pdf
- econ_marxismQandA.wma
- 17.82 MB
- 2005-12-25
-
23240.rar
[请教]在limdep中做OPM运算，怎么看到回归系数的显著水平本附件包括：- 1996.rtf
- 3.11 KB
- 2005-8-16
-
18430.zip
请教：OPM在LIMDEP 7.0中的实现本附件包括：- st.exe
- st.hlp
- st32w.exe
- st.cnt
- stadev32.dll
- stata.dta
- statrn32.dll
- stodbc32.dll
- ststart.exe
- stutil.dll
- UNWISE.EXE
- UNWISE.INI
- dbase.dbf
- demo.wk1
- fcopy.exe
- INSTALL.LOG
- LICENSE.DAT
- lotus.wk1
- paradox.db
- readme.txt
- sas.sd2
- sas.tpt
- select.rtf
- spss.sav
- spss.por
- 1.05 MB
- 2005-7-4
-
18402.rar
limdep 7.0 希望大家用得着 - 3.9 MB
- 2005-7-3
-
18290.rar
[新手请教]怎么把excel整理好的数据导入limdep,多谢多谢本附件包括：- example.xls
- 40.31 KB
- 2005-7-2
-
18039.rar
请教：OPM在LIMDEP 7.0中的实现本附件包括：- 北京市外资制造企业的区位分析.pdf
- 3.08 MB
- 2005-6-29
-
15769.rar
Limdep中专门做计量经济学的程序 - 1.89 MB
- 2005-5-31
-
14544.rar
LIMDEP8.0正版本附件包括：- readme.txt
- 1.45 MB
- 2005-5-12
-
11309.rar
[求助]Limdep 8.0 users guide本附件包括：- LIMDEP.HLP
- 246.13 KB
- 2005-4-3
-
10791.rar
[求助] Request: Software: Limdep 8.0 - 3.29 MB
- 2005-3-24
-
7931.rar
limdep(usermanual)7.0 - 5.67 MB
- 2005-1-14
-
7776.rar
limdep7.0 - 5.02 MB
- 2005-1-13
-
6912.zip
[推荐]非常棒的货币政策分析课件本附件包括：- 522oh12.pdf
- 522 Topics in Monetary Policy.htm
- 522pr1.pdf
- 522oh1.pdf
- 522oh9.pdf
- seqeqp.pdf
- 521p2readings.pdf
- MechanismDesign.pdf
- jobsigp.pdf
- 522oh2.pdf
- 522oh3.pdf
- commdisc.pdf
- 522oh5.pdf
- cred.pdf
- RB000203.htm
- 522oh4.pdf
- 522oh6.pdf
- 522oh7.pdf
- IR99_4e.pdf
- 522oh8.pdf
- IR_Mars_engelska.pdf
- robust.pdf
- 522pr2.pdf
- 522oh11.pdf
- 522oh10.pdf
- 522read.pdf
- 3.24 MB
- 2005-1-3
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