use of dummy variables in testing for equality

... on income (Y) for household. We include the following quality variables in the form of dummy variables Written by Nguyen Hoang Bao May 22, 2004 Applied Econometrics Dummy Variables 7 3) In ... independent variables used in regression equations, which usually take values over some continuous range. Frequently, one may wish to include the quality independent variables, often called dummy variables, ... Econometrics Dummy Variables 3 ⎩ ⎨ ⎧ = othersfor0 quarterthirdthefor1 D 3 3) Slope Dummy The slope dummy is defined as an interactive variable. DY = D x Y D is equal to 1 for developing countries...

Ngày tải lên: 27/01/2014, 11:20

Ngày tải lên: 07/09/2013, 13:06

... regarding use of lopinavir/ritonavir in neonates. o Addition of new pharmacokinetic data on nevirapine in preterm infants. • Initial Postnatal Management of the HIV-Exposed Neonate : o Because of ... elimination of perinatal transmission in the United States include the continued increase in HIV infection in women of childbearing age; 12 absent or delayed prenatal care, particularly in women ... benefits and risks of initiation of therapy for maternal health; b. benefit of combination ARV regimens for preventing perinatal transmission of HIV; 4 c. benefits of therapy for reducing sexual transmission...

Ngày tải lên: 05/03/2014, 13:20

... next step in assessing the viability, costs and benefits of using ASR in cement kilns in China. b. Textiles According to Chinese government statistics, the textile industry in China produces ... (2004). Formation and Release of POPs in the Cement Industry, World Business Council for Sustainable Development for Foundation for Industrial and Scientific Research of Norway. WBCSD (2006). Formation ... used in cement manufacturing in China. In spring 2008, the government in Chongqing entered into an agreement with the Lafarge Cement Manufacturing Company in Chongqing to accept sewage sludge...

Ngày tải lên: 24/03/2014, 05:20

Ngày tải lên: 20/06/2014, 15:20

Ngày tải lên: 20/06/2014, 21:20

Ngày tải lên: 18/12/2013, 10:08

... on the use of hand-held test devices for installation of the KRONE Cat.6 KM8 products Page 7 of 9 December 2001 Cat 6/5e Channel Adapter N2604A-100: § Includes two interface adapters for use with ... correct NVP setting is necessary; it has an influence on the determination of the cable length by the instrument. 23 Notes on the use of hand-held test devices for installation of the KRONE Cat.6 ... correct NVP setting is necessary; it has an influence on the determination of the cable length by the instrument. 23 Notes on the use of hand-held test devices for installation of the KRONE Cat.6...

Ngày tải lên: 21/12/2013, 18:15

... knowledge management, and are eager to know how this is interpreted and used in software engineering, or for people in the software engineering field, who are interested in knowing more about what knowledge management ... 00096 Use of Knowledge Management in Software Engineering 395 English, it is difficult to distinguish the terms information and knowledge. Within artificial intelligence, information is often referred ... Representing and maintaining knowledge in an experience base”, in Proc. Tenth Int. Conf. on Software Engineering and Knowledge Engineering, SEKE’98, 1998. 44. T. Dingsøyr, “A lifecycle process for experience...

Ngày tải lên: 16/01/2014, 16:33

... learning. Peer learning is becoming an increasingly important part of many courses, and it is being used in a variety of contexts and disciplines in many countries. The potential of peer learning ... Suggested ways for improving the peer teaching process In light of the initial findings, the investigator introduces the following recommendations for improving the peer teaching process: • ... some form of credit or payment for the person acting in a teaching capacity thus losing a sense of mutuality. Peer teaching involves students learning from and with each other in both formal...

Ngày tải lên: 29/01/2014, 10:49

... For this size, incorporating information gain into the distance measure leads to a clear de- crease in performance. Overall performance: Unsurprisingly, perfor- mance in terms of precision ... class of the majority of the items which reached it during training. The trees were grown using recursive partitioning; the splitting criterion was reduction in deviance. Using the Gini index ... The corresponding training sets contain the remaining 95 documents. For RIBL, test set performance is determined us- ing leave-one-out cross validation. Feature vectors contained either 100,500,...

Ngày tải lên: 22/02/2014, 03:20

... terminal and terminal symbols of Gw. This trans- forms the question of determining whether a symbol is useful into a reachibility question on the graph of Ma In particular, for any string of ... state set of of Me,. IIow- ever, unlike the case of the cfg shared forest gram- mar, the extraction of individual parses for the input w does not simply involve reading off a derivation of Gw. ... every nonterminal can derive a terminal string and therefore using any production will yield a terminal string eventually, the derivations of w in Go can be read off by simply reading off derivations...

Ngày tải lên: 22/02/2014, 10:20

... the use of linguistic information in hybrid statistical/symbolic tasks (summarization, machine translation, divergence unraveling). 3 PROJECT FINDINGS 1. We have shown the effectiveness of combining ... augmentation of capabilities useful for intelligence analysts, such as cross-lingual summa- rization and data mining. 6.3 CONTRIBUTIONS TO RESOURCES FOR RESEARCH This work provides an integral part for ... cross-lingual information management and processing systems, which facilitates laymen and professionals in accessing information that is authored in a language they do not understand. 7 PLANS FOR THE...

Ngày tải lên: 07/03/2014, 11:20

... properties because of glyco- proteins and anthraquinones, which block the regeneration of thromboxanes and bradykinin, and also inhibit and break down bradykinin. In rural areas, a mixture of A vera ... herbs were also used for the treatment of diseases in cattle, sheep, goats, and human beings. This is an indication that ethnoveterinary medicine is of great importance in the smallholder sector of Zimbabwe. ... ethnoveterinary medicine be used in field projects? Indigenous Knowl Devel Mon. 1996;4:6–7. 14. Ibrahim MA, Nwude N, Ogunsusi RA, Aliu YO. Screening West African plants for anthelmintic activity. Intern...

Ngày tải lên: 08/03/2014, 09:20

... the performance of our preprocessing in this case we 225 USE OF H~ru'RISTIC KN~L~EDGE IN CHINF SELANGUAGEANALYSIS Yiming Yang, Toyoaki Nishida and Shuji Doshita Department of Information ... "~,\~", (800 Mandarin Chinese Words), Bejing, (1980) 5. PREPROCESSING EFFICIENCY The preprocessing system for chinese language mentioned in the paper is in the course of development and ... uses heuristic knowledge to find local syntactic structures of Chinese sentences. We call it a preprocessing, because we use it before we do global syntactic structure analysisCl ]of the input...

Ngày tải lên: 08/03/2014, 18:20

... analysis of infor- mation, contains three minor episodes in addition to the major one introduced in the first sentence of the report. The discussion below of syntactic forms used to indicate ... texts vary in the pro- portion of foregrounded to backgrounded material and in their pref~ence for certain forms to convey grounding. The literary style of a discourse will therefore influence ... all kinds of information: background, main events, plans, import, and so forth. Some of these information categories will be distinguishable by verb tense, aspect, mood and voice, as in the...

Ngày tải lên: 08/03/2014, 18:20

... presi- dent of the National Academy of Engineering. The Institute of Medicine was established in 1970 by the National Academy of Sciences to secure the services of eminent members of appropriate professions ... pharmaceutical innovation is full of new and often unexpected indications of use that emerge in the post-marketing setting. What is needed may be a more streamlined process for looking at evidence, ... a first step in examining issues of translation of genomic innovations, the Roundtable decided to hold a workshop to gather information on three questions below. Information obtained from the...

Ngày tải lên: 14/03/2014, 23:20

... specific tags used in this work include certainty ratings, ranging from 0, for least certain, to 3, for most certain. As dis- cussed below in section 3.2, the certainty ratings allow us to investigate ... and 3 are combined. Similar results are obtained when all ratings are treated as distinct. sets. On each fold, one set is used for testing, and the other nine are used for training. Fea- ture ... study of analyzing and improving intercoder reliability in discourse tagging using statistical techniques. Bias- corrected tags are formulated and successfully used to guide a revision of the...

Ngày tải lên: 23/03/2014, 19:20

Ngày tải lên: 29/03/2014, 04:20