... main groups: (i) analysis of storage properties and (ii) analysis of hydraulic properties Storage properties refer to the soil s ability to absorb and hold water, and these properties include water ... Eds Methods of Soil Analysis, Part 4—Physical Methods, Soil Science Society of America, Madison, WI, pp 463–474 Todoroff, P and Luk, J 2001 Calculation of in situ soil water content profiles from ... than an order of magnitude larger than that of other soil components As a result, the bulk relative dielectric permittivity of soil («ra ) is almost entirely a function of the soil s volumetric...
Ngày tải lên: 12/08/2014, 02:23
... distance); Console.WriteLine("No of Point objects :{0}", Point.ObjectCount()); } The ObjectCount method is called by using Point, the name of the class, and not the name of a Point variable (such as ... should return a value of On the Debug menu, click Start Without Debugging Confirm that the value of is written to the console window (after the message displaying the value of the distance variable) ... is also declared as static Any other types of constructor are illegal and will be reported as such by the compiler If you were defining you own version of the Math class, containing only static...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Analytical Methods: EViews and Panel Data ppt
... button for Cross-Section Weighting and EViews would impose zero restrictions on all of the off-diagonal elements of the matrix Only the diagonal elements would be estimated: Eshragh Motahar σ 12 ... accomplished by means of a test called a likelihood ratio test EViews output reports a statistic called the Log-Likelihood This is an estimator of the joint probability of the observed sample, ... probability of the observed sample, given the point estimates of the parameters As such, it is a number bounded by zero and one All of our estimation methods aim to maximize this log-likelihood In...
Ngày tải lên: 20/12/2013, 18:15
Tài liệu Fundamental Numerical Methods and Data Analysis doc
... "rule of thumb" for detecting the presence of round off error is the appearance of a large number of zeros at the righthand side of the answers Should the number of zeros depend on parameters of ... column is added to another The determinant of the product of two matrices is the product of the determinants of the two matrices One of the important aspects of the determinant is that it is a single ... measures the degree of rotation (see Figure 1.4) Finally, the gradient of a scalar field is simply a measure of the direction and magnitude of the maximum rate of change of that scalar field...
Ngày tải lên: 20/12/2013, 19:15
Tài liệu THE VAPRO PRESSURE OF ENVIRONMENTALLY SIGNIFICANT ORGANIC CHEMICALS: AREVIEW OF METHODS AND DATA AT AMBIENT TEPERATURE ppt
Ngày tải lên: 14/02/2014, 03:20
Methods for Measuring Cancer Disparities: Using Data Relevant to Healthy People 2010 Cancer-Related Objectives doc
... this case, the most disadvantaged in terms of income or education The issue of the effect on health disparities of the movement of individuals slope index of inequality, primarily because the absolute ... in subgroup rates of health, regardless of the number of individuals that may be affected Thus, it is more focused on strict equality of health status measures, regardless of social-group size ... the persistent presence of social-group health disparities, not out of concern for a widening overall distribution of health Yet, a deeper understanding of the overall task of determining variation...
Ngày tải lên: 06/03/2014, 01:20
Báo cáo khoa học: "Hierarchical Directed Acyclic Graph Kernel: Methods for Structured Natural Language Data" pptx
... the cost of node skip For example, represents the cost of node skip and that of ; is the cost of just node skip represents the sum of the multiplied cost of the node skips of all of the nodes ... The Elements of the Feature Vector We describe the details of the attribute sequences that are elements of the feature vector of the HDAG and in Figure Kernel using The framework of node skip ... q7 q5 a q8 c d NP â Figure 2: Examples of HDAG structure y Net, and class of the named entity 3.2 Denition of HDAG Kernel First of all, we dene the set of nodes in HDAGs and as and , respectively,...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo khoa học: "Theoretical Evaluation of Estimation Methods for Data-Oriented Parsing" pot
... weights of all trees of the target grammar G are 0, except for w7 , which is necessarily 1, and w4 and w6 which are w4 = p and w6 = − p He finds that the expected values of the weights w4 and w6 of ... values of p where < p < This analysis thus shows that DOP1 is unable to recover the true weights of the given STSG, and hence the inconsistency of the estimator with respect to the class of STSGs ... inadequacy of DOP1, Johnson’s example is in fact From these equations it is immediately clear that, regardless of the amount of training data, the problem is simply underdetermined The values of weights...
Ngày tải lên: 17/03/2014, 22:20
USAID Supported a Wide Range of Child and Maternal Health Activities, but Lacked Detailed Spending Data and a Proven Method for Sharing Best Practices pptx
... newborn care, and malaria However, one of the USAID officials in charge of the courses told us that some health officers were still unaware of the availability of the electronic learning courses ... professional associations of obstetricians, gynecologists, and midwives, and is conducting a global survey on the use of the active management of the third stage of labor 59 Active management of ... USAID officials told us that the majority of PPC’s functions have been transferred to the State Department’s Office of Foreign Assistance, which now oversees the budgetary administration of the...
Ngày tải lên: 28/03/2014, 09:20
Imputation Methods to Deal with Missing Values when Data Mining Trauma Injury Data pot
... 0-15; 16-25; 26-35; 36-50; 51-70; over 70 Year of admission (1992 - 8, 2001-5) Month of admission (Jan – Dec) Day of admission (Mon – Sun) Time of admission (0000 - 0359; 0400 -0759; 0800 - 1159; ... conditional probability of “missingness”, given the observed covariates Missing values of the imputation variable y are imputed by values randomly drawn from a subset of observed values of y, that is, ... over half of those who die, predicted correctly However, the cut-point of 0.5 could be lowered to increase the sensitivity of the models, thereby decreasing specificity The results of the ROC...
Ngày tải lên: 28/03/2014, 23:20
MATERIALS AND METHODS (for definitions and additional details, see the technical appendix at end of chap- ter): Sources of data pdf
... even a majority of instances of a particular cancer Rather, we expect that a number of exposures and characteristics of children each contribute to a proportion of instances of a particular cancer ... understanding the causes of these cancers within populations of children The concept of multiple causation has direct implications for the interpretation of research on the causes of cancer Suppose ... the slope of the line in the above equation is equal to zero The latter hypothesis is tested using the t distribution of m/SEm with the number of degrees of freedom equal to the number of calendar...
Ngày tải lên: 29/03/2014, 01:20
Báo cáo khoa học: "A spoken dialogue interface for TV operations based on data collected by using WOZ method" pptx
... processing of the system The IFR has been given the appearance of a stuffed animal One advantage of this IFR is that it can be directly touched and manipulated to create a feeling of warmth and ... the bottom of the screen 01:12:09 WOZ OK, I will it 01:15:23 Subject 01:17:27 WOZ Um, Just a little bit more OK, how’s that? Figure 1: Example of dialogue data conventional image of television ... channels It also enables the presentation of program in- Internet Digital broadcasting TV program database Individual profile management program Program retrieval Profile search Dialog processing Presentation...
Ngày tải lên: 31/03/2014, 03:20
rammer, smith. quantum field-theoretical methods in transport theory of metals (rmp58, 1986)(t)(37s)
Ngày tải lên: 24/04/2014, 17:23
báo cáo hóa học:" A comparison of classification methods for predicting Chronic Fatigue Syndrome based on genetic data" potx
... subset of SNPs that maximizes the Page of (page number not for citation purposes) Journal of Translational Medicine 2009, 7:81 http://www.translational-medicine.com/content/7/1/81 performance of ... calculated sensitivity, the proportion of correctly predicted responders of all tested responders, and specificity, the proportion of correctly predicted nonresponders of all the tested non-responders ... parameter of the error term Each data instance in the training set contains the information about the observed phenotypic value as a class label and the SNPs of the subjects as features The goal of...
Ngày tải lên: 18/06/2014, 15:20
báo cáo hóa học: " Simple imputation methods were inadequate for missing not at random (MNAR) quality of life data" pot
... x1 vector of means of the observed variaˆ bles for pattern p, m is the maximum likelihood (ML) ˆ estimate of the mean of Yi and ∑ is the maximum likelihood estimate of the covariance of Yi The ... under-dispersion for each method A PV of one indicates that the variance of the imputed values is equal to that of the true values A PV of less than one implies underestimation of the true variance The bias ... accurate Identification of the correct mode of missingness and most appropriate method of imputation can make a large impact on the analysis of clinical trials The sensitivity of different analyses...
Ngày tải lên: 18/06/2014, 19:20
báo cáo hóa học: "Using hierarchical clustering methods to classify motor activities of COPD patients from wearable sensor data" pdf
... segments Although there is a trade-off in simplicity of use, the ability of these systems to measure the orientation (due to the effect of gravity) and acceleration of individual segments, as well ... the use of clustering methods for analysis of the feature sets, and discuss the generalization of the proposed approach to building classifiers of motor activities from field data Page of 14 (page ... (4): • Range of autocorrelation function, a measure of the modulation of the signal (unbiased estimate) • Value of the crosscorrelation function at zero lag (for all possible pairs of arm and leg...
Ngày tải lên: 19/06/2014, 10:20
Báo cáo hóa học: " Comparison of four different methods for reliability evaluation of ecotoxicity data: a case study of non-standard test data used in environmental risk assessments of pharmaceutical substances" pdf
... not reported by any of the four evaluation methods: date of start of the test; method of preparation of stock solutions; the recovery efficiency of the method; the limit of quantification in ... settings of the room or chamber are stated? criteria The OECD guidelines also recommend that date of start of the test; method of preparation of stock solutions, the recovery efficiency of the ... variety of aspects are included: the chosen test system and its applicability domain, consideration of physiochemical properties and stability of test substance, number of replicates, number of concentration...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: " Research Article Novel Data Fusion Method and Exploration of Multiple Information Sources for " ppt
... product of independent multinomial distributions Let θ(si , j) = Pθ (si , j) denote the probability of observing nucleotide si at the jth ( j = 1, , l) position of θ, where l is the length of the ... maximum number of nonoverlapping motifs in an N-length sequence As proposed in [12], the prior of the number of motif instances, P(Q = c | Θ, φ), is assumed to be independent of Θ and φ and has ... preference of a TF is the same to all its binding sites, we estimated the binding preference of each TF with the following heuristic Let A denote the set of all known start binding positions of a TF...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo hóa học: " Research Article A New Inverse Halftoning Method Using Reversible Data Hiding for Halftone Images" docx
... context of the template indexed by I Assume that P1 is the number of parts of top LUT templates to be embedded into the halftone image using × templates, and P2 is the number of parts of top LUT ... pairs of templates; (e) and (k) the stego images of embedding three pairs of templates; (c), (f), (i), and (l) the stego image of hiding all pairs of templates EURASIP Journal on Advances in Signal ... accuracy of the original halftone image must be guaranteed, and it is easily extended to the field of halftone image authentication However, these two methods have a drawback that the capacity of data...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo hóa học: " Research Article Colour Image Segmentation Using Homogeneity Method and Data Fusion Technique" pot
... defined as the sum of all the basic probability assignments of the proper subsets (A) of the set of interest (Hn ) (A ⊆ Hn ), see (13) The value Cr(Hn ) denotes the minimal degree of belief in the ... and A2 The DS theory of evidence is a rich model of uncertainty handling as it allows the expression of partial belief [9] 2.2.1 Mass Function of Simple Hypotheses Masses of simple hypotheses ... histogram of an image represented by a function h(i), where i is an integer, ≤ i ≤ 255 and the value of the homogeneity at each location of an image has a range from [0, 1] Step Find the set of points...
Ngày tải lên: 21/06/2014, 20:20