concept of data and information ppt

... administrative data of one of Guatemala’s largest microfinance lenders, as well as data from the new credit bureau which gives the behavior of all of these clients with other lenders. From these data ... significant effects of informational changes on both the supply and demand side of the market. As might be expected, the strongest effect of improved information in the hands of lenders is seen ... loans; and communal banks (CB), with upwards of 30 people and small loans. The logic of borrower and group behavior is quite different in the two types of groups. Accordingly, the response to information...

Ngày tải lên: 16/02/2014, 03:20

Ngày tải lên: 18/03/2014, 11:22

Ngày tải lên: 20/06/2014, 06:20

... each data value f i by a linear combination g i of itself and some number of nearby neighbors, g i = n R  n=−n L c n f i+n (14.8.1) Here n L is the number of points used “to the left” of a data ... center and lower panels.) The widths of the bumps (full width at half of maximum, or FWHM) are 140, 43, 24, 17, 13, and 10, respectively. The middle panel of Figure 14.8.1 shows the result of smoothing ... result of smoothing with a Savitzky-Golay filter of the identical width, and degree M =4. One sees that the heights and widths of the bumps are quite extraordinarily preserved. A trade-off is...

Ngày tải lên: 15/12/2013, 04:15

... estimates on the parameters, and (iii) a statistical measure of goodness -of- fit. When the third item suggests that the model is an unlikely match to the data, then items (i) and (ii) are probably worthless. Unfortunately, ... 1964, Mathematical Theory of Probability and Statistics (New York: Academic Press), Chapter X. Korn, G.A., and Korn, T.M. 1968, Mathematical Handbook for Scientists and Engineers , 2nd ed. (New ... REFERENCES AND FURTHER READING: Bevington, P.R. 1969, Data Reduction and Error Analysis for the Physical Sciences (New York: McGraw-Hill). Brownlee, K.A. 1965, Statistical Theory and Methodology ,...

Ngày tải lên: 15/12/2013, 04:15

... the direction of the smallest χ 2 between each data point and the line with slope b, and also as the variance of the linear combination y i − a − bx i of two random variables x i and y i , Var(y i − ... float *xx,*yy,*sx,*sy,*ww,aa,offs; float chixy(float bang) Captive function of fitexy , returns the value of (χ 2 − offs ) for the slope b=tan(bang) . Scaled data and offs are communicated via the ... 0) { for (i=1;i<=ndata;i++) *chi2 += SQR(y[i]-(*a)-(*b)*x[i]); sigdat=sqrt((*chi2)/(ndata-2)); For unweighted data evaluate typ- ical sig using chi2,andad- just the standard deviations. *siga...

Ngày tải lên: 15/12/2013, 04:15

... even when they must be offered without proof. Figure 15.6.1 shows the conceptual scheme of an experiment that “measures” a set of parameters. There is some underlying true set of parameters a true that ... or different data reduction techniques, and seek to minimize the uncertainty of the result according to any desired criteria. Offered the choice between mastery of a five-foot shelf of analytical ... value of a measured quantity, or the mean of some function of the measured quantities. The bootstrap method [1] uses the actual data set D S (0) , with its N data points, to generate any number of...

Ngày tải lên: 15/12/2013, 04:15

... *arr,d,sum=0.0; arr=vector(1,ndatat); for (j=1;j<=ndatat;j++) arr[j]=yt[j]-b*xt[j]; if (ndatat & 1) { aa=select((ndatat+1)>>1,ndatat,arr); } else { j=ndatat >> 1; aa=0.5*(select(j,ndatat,arr)+select(j+1,ndatat,arr)); } abdevt=0.0; for ... χ 2 solution that generates the initial guesses for a and b. Notice that the evaluation of the right-hand side of (15.7.16) occurs in the function rofunc, with communication via global (top-level) ... median c M of a set of numbers c i is also that value which minimizes the sum of the absolute deviations  i |c i − c M | (Proof: Differentiate the above expression with respect to c M and set it...

Ngày tải lên: 15/12/2013, 04:15

... Commands and tools (Windows) 2.4. System Operations: Linux 2.4.1 How to open a console window 2.4.2 Commands and tools (Linux) Lesson 3: Ports and Protocols 3.1 Introduction 3.2 Basic concepts of ... COMPLETE TABLE OF CONTENTS AND GLOSSARY “License for Use” Information The following lessons and workbooks are open and publicly available under the following terms and conditions of ISECOM: All ... COMPLETE TABLE OF CONTENTS AND GLOSSARY Table of Contents Lesson 1: Being a Hacker 1.0 Introduction 1.1 Resources 1.1.1 Books 1.1.2 Magazines and Newspapers 1.1.3 Zines and Blogs 1.1.4 Forums and Mailing...

Ngày tải lên: 15/12/2013, 14:15

... dissociation from and and the rate of this exchange is probably the lowest step of the overall reaction.The hydroxy ligand facilitates the dissociation of and this leads to a slow catalysis of ethene ... the 237 Dimerization, oligomerization and polymerization of alkenes and alkynes 253 of the aqueous phase. The same catalysts were suitable for terpolymerization of CO, propene and the the water-soluble termonomer ... of the nickel(0) and palladium(0) complexes of 1,3,5-triaza- 7-phosphaadamantane, PTA ( 82 ) and tris(hydroxymethyl)phosphine ( 98 ) in water catalyze the oligomerization and telomerization of...

Ngày tải lên: 23/12/2013, 07:19

... And now — tonight — Ethelred — ha! ha! — the breaking of the door, and the death cry of the creature, and the crashing of the shield! — Say, instead, the forcing of the box, and her cries and ... in those halls of pleasure. The black clock struck once, and stopped. And the flames of the fires died out. And Darkness and Decay and the Red Death ruled over all. The Barrel of Amontillado I ... the smell of heated iron reached my senses. The walls grew hot and began to burn. I struggled for breath, and rushed to the centre of the room. I thought of the coldness of the pit, and I looked...

Ngày tải lên: 20/01/2014, 09:21

... Congress of Gynecology and Obstetrics 7-12 October 2012, Rome, Italy PROGRAMME Antenatal Care and Diagnosis Crigler-Najjar Syndrome Type I and Type II in Pregnancy: A Case Report and Systematic ... Pregnancy Multicenter randomized prospective controlled study of ursodeoxycholic acid and S-adenosyl-L- methionine in the treatment of intrahepatic cholestasis of pregnancy Li Zhang China 35 Programme ... States Deceptive and unethical cosmetic gynecologic procedures and progress of the non-deceptive and honest cosmetic-plastic gynecological field Troy Hailparn United States New classifications and protocols...

Ngày tải lên: 12/02/2014, 23:20

... increased importance of education, increased motivation of young people to achieve higher levels of education and training, and greater centrality of goals other than motherhood and family formation ... countries (Belgium, Finland, Italy, Spain, and the UK) (Sengupta 2008). Of the 30 EU and EEA states, 29 provide information on inuenza policies and 22 supply estimates of vaccination coverage ... Europe (based on data from Austria, Czech Republic, Denmark, Finland, France, Germany, Iceland, Italy, the Netherlands, Norway, Poland, the UK, Slovenia, Spain, Sweden, and Switzerland) increased...

Ngày tải lên: 12/02/2014, 23:20

... Category of the Information System FIPS Publication 199, Standards for Security Categorization of Federal Information and Information Systems (Pre-publication final), December 2003, provides standards ... (Draft), Standards for Security Categorization of Federal Information and Information Systems, September, 2003. NIST, SP 800-14, Generally Accepted Principles and Practices for Securing Information ... Coordinating the development and maintenance of the organization's information security policies, standards, and procedures, + Ensuring the establishment of, and compliance with, consistent...

Ngày tải lên: 14/02/2014, 08:20

... of El Kab, of Kom el Ahmar, of El Hibeh, and of Dakkeh, as well as part of the fortifications of Thebes, are still standing, and await the architect who shall deign to make them an object of ... tomb of Manna, Nineteenth Dynasty 156. Plan of tomb of Rameses IV. 157. Plan of tomb of Rameses IV., from Turin papyrus 158. Plan of tomb of Seti I. 159. Fields of Aalỷ, wall-scene, tomb of ... 74. Plan of the temple of the Sphinx 75. South temple of Elephantine 76. Plan of temple of Amenhotep III., El Kab 77. Plan of temple of Hathor, Deir el Medineh 78. Plan of temple of Khonsû,...

Ngày tải lên: 15/02/2014, 09:20

... admixture of air in bubbles, but firm and compact, and very hard, almost like porcelain. Small stalactites hung from round fissures in the roof, formed of the same sort of ice, and broken off short, ... of the blocks of stone, and up to the entrance-hole, and this measurement gave 50 feet. Considering the inclination of the upper ice-floor, and the sharpness of the angle between the wall of ... charge of the farther end of the string, and was proud of the wonders of his cave. SECTION OF THE LOWER GLACIÈRE OF THE PRÉ DE S. LIVRES. We reached S. Georges again in a wretched state of wet...

Ngày tải lên: 15/02/2014, 10:20

... Arabicus and Indicus. 2nd.—H. Neptunianus, consisting of 1st, the Malays peopling the coasts of the islands of the Indian Ocean, Madagascar, &c.; 2nd, New Zealanders and Islanders of the ... The Negro. 7th.—H. Polynesius. The inland inhabitants of the Malay Peninsula, of the Islands of the Indian Ocean, of Madagascar, New Guinea, New Holland, &c. I think this system is the ... Rajputs or Kshatryas of the north-west, the Arabs, Parsees, and Mahrattas of the west coast, the Singhalese of the extreme south, the Tamils of the east, and the Bengalis of the north-east....

Ngày tải lên: 16/02/2014, 21:20

Ngày tải lên: 20/02/2014, 02:21

Ngày tải lên: 21/02/2014, 12:20

Ngày tải lên: 22/02/2014, 05:20