the impact of low dissolved oxygen in recharge water on arsenic pollution in groundwater of bangladesh

Niche Modeling: Predictions From Statistical Distributions - Chapter 1 doc

Ngày tải lên : 12/08/2014, 02:20

... assumptions of the methodology, so allowing no other conclusion than the one obtained Here we show a potential approach to the problem of quantifying circular reasoning By feeding random data with the ... potential distribution of invasive species is to develop a model on the home range of a species then predict the distribution using the same environmental variables in the area of interest ... errors Below, ACF plot showing autocorrelation of the IID series at a range of lags 1.6 A moving average of an IID series Below, the ACF shows oscillation of the autocorrelation of the...

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Niche Modeling: Predictions From Statistical Distributions - Chapter 4 pptx

Ngày tải lên : 12/08/2014, 02:20

... the concept of a niche The chapter concludes with a proof of the lack of continuity of the standard deﬁnition of environmental envelopes over the box topology, and argues for deﬁnition of the ... used in data mining is the induction of decision trees, based on the sequential partitioning of datasets on individual variables Mentioned before under machine learning methods, decision tree methods ... range in B from N is empty despite being non-empty in each of the component functions This example shows theoretically the origin of the progressive reduction in ecological area with inclusion of...

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Niche Modeling: Predictions From Statistical Distributions - Chapter 8 docx

Ngày tải lên : 12/08/2014, 02:20

... examine the data 8.2.1 Autocorrelation Function (ACF) One of the main tools for examining the autocorrelation structure of data is the autocorrelation function or ACF The ACF provides a set of ... positive in comparisons of the reconstruction over training data, but are negative for comparisons on the test data In this case, RE statistics would not validate the skill of the reconstruction for ... occurrences within the range of species may be a poor indicator of the accuracy of the model beyond that range Equivalently, the only reliable indication of the accuracy of a niche model may be the accuracy...

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Niche Modeling: Predictions From Statistical Distributions - Chapter 9 pdf

Ngày tải lên : 12/08/2014, 02:20

... inherent nondeterminism in the solution, producing two distinct reconstructions of past climate In contrast, the solution to the linear model produces a single solution Figure 9.4 shows the theoretical ... is the same as in the previous models, but due to the inversion of the linear model, the amplitude of the temperature reconstruction is greatly increased In contrast to R1, the inverted function ... corresponds to a record of the period of ideal nonlinear response to the driving variable The resulting reconstructions shows the accurate location and amplitude of the peaks, up to the essential nondeterminism...

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Niche Modeling: Predictions From Statistical Distributions - Chapter 10 ppt

Ngày tải lên : 12/08/2014, 02:20

... high H, increasing numbers of data not decrease our uncertainty in the mean very much Alternatively, there are few eﬀective points At the level of the CRU of H = 0.95 the uncertainty in a mean ... line of low slope (0.5) The random walk is also a straight line of higher slope as are CRU and SSS Notably the slope of the AR(1) model declines with higher aggregations, converging towards the ... well as the temperature and precipitation from a sample of landscape 10.1 Detecting LTP One of the main operations in examining LTP are aggregates of series Aggregates are calculated as follows...

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Statistical size distributions in economics & actuarial sciences (2003)

Ngày tải lên : 13/12/2013, 11:36

... hypotheses These involve constancy of the coefﬁcient of variation and constancy of the type of distribution of income of those in the same “talent” group, and require that, on average, the consequent income ... useful, among other things, in connection with the lognormal distribution; see Section 4.5 Closely connected conditions are in terms of two stronger concepts of stochastic ordering, the convex and ... (1914) used the same function in his investigation of the distribution of wealth in Prussia in 1905 Observing the fragmentary form of the part of the curve representing lower incomes (which presumably...

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Tài liệu Báo cáo khoa học: "Generating statistical language models from interpretation grammars in dialogue systems" potx

Ngày tải lên : 22/02/2014, 02:20

... We are considering basing our re-ranking on the information held in the dialogue information state, knowledge of what is going on in the graphical interface and on dialogue moves in the list ... consideration The recording test set is just an approximation to the real task and conditions as the students only capture how they think they would act in an MP3 task Their actual interaction ... Description of Corpora 2.1 The MP3 corpus The domain that we are considering in this paper is the domain of an MP3 player application The talking MP3 player, DJGoDiS, is one of several applications...

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Báo cáo khoa học: "Syntax-to-Morphology Mapping in Factored Phrase-Based Statistical Machine Translation from English to Turkish" ppt

Ngày tải lên : 07/03/2014, 22:20

... translation In Proceedings of HLT/NAACL-2003 Helmut Schmid 1994 Probabilistic part -of- speech tagging using decision trees In Proceedings of International Conference on New Methods in Language Processing ... solely the responsibility of the authors 18 For instance, consider the example in Figure involving if with some additional modiﬁers added to the intervening noun phrase 462 References Einat Minkov, ... application of the Noun+Adj transformations, which correlates with the largest increase in BLEU score It is also interesting to look at the n-gram precision components of the BLEU scores (again averaged)...

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Báo cáo khoa học: "Deep dependencies from context-free statistical parsers: correcting the surface dependency approximation" pptx

Ngày tải lên : 08/03/2014, 04:22

... phase involves the identiﬁcation of a certain subset of tree nodes to be operated on, followed by the application of the appropriate operation to the node Operations may involve the insertion of ... position among a node’s daughters; the marking of certain nodes as dislocated; or the relocation of dislocated nodes to other positions within the tree The content and ordering of phases is consistent ... to the deterministic positioning of trace insertion in the treebank In each case we use a loglinear model for node classiﬁcation, with a combination of quadratic regularization and thresholding...

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Báo cáo khoa học: "Power-Law Distributions for Paraphrases Extracted from Bilingual Corpora" pdf

Ngày tải lên : 17/03/2014, 22:20

... component P0 These remaining vertices are the residues We then construct the graph R which consists of the residues together with all their translations (even those that are included in components ... Additionally, only a certain number of phrases is chosen for soft clustering Both selections are done conservatively with criteria based on the properties of the cost functions The formation of ... the syntactic information of the phrases The quality of the paraphrases’ ranked lists outperforms that of a standard baseline The quality of the resulting conditional probabilities is promising...

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Báo cáo khoa học: "Are These Documents Written from Different Perspectives? A Test of Different Perspectives Based On Statistical Distribution Divergence" ppt

Ngày tải lên : 23/03/2014, 18:20

... change the rankings of four conditions Rankings among four conditions is consistent when C is small We only report results of K = 1000, C = 10 in the paper due to space limit There are two kinds of ... scale The Monte Carlo estimates D of the pairs in DP condition are plotted as rugs D of the pairs in other conditions are omitted to avoid clutter and summarized in one-dimensional density using ... levels In Proceedings of Tenth Conference on Natural Language Learning (CoNLL) S Morinaga, K Yamanishi, K Tateishi, and T Fukushima 2002 Mining product reputations on the web In Proceedings of the...

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Báo cáo khoa học: "Bootstrapping Statistical Parsers from Small Datasets" pptx

Ngày tải lên : 31/03/2014, 20:20

... to the training data of the Collins-CFG parser The training data of the LTAG parser was augmented in the same way, using the 20 highest scoring parses from the set of 30, but using the Collins-CFG ... cotraining on the development set (section of the Treebank) Since we need to parse all sentences in section at each iteration, in the experiments reported in this paper we only evaluated one of the ... parser These events were used to retrain the statistical model used in the LTAG parser The output of the LTAG parser was also modified in order to provide input for the re-training phase in the...

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Báo cáo hóa học: "Research Article Statistical Real-time Model for Performance Prediction of Ship Detection from Microsatellite Electro-Optical Imagers" docx

Ngày tải lên : 21/06/2014, 19:20

... waves appearing for high wind speed and introducing nonlinearities in the sea surface model (they are the starting point of breaking waves and of the apparition of foam) We only consider gravity ... the image Consider the application of a line-detection algorithm to the center pixel of the ship There are an in nite number of lines passing through this pixel These lines generate a curve in ... pixel We then have to ﬁnd a model for the pdf pm,b of Rb Computing the m analytical expression of the pdf of a linear combination of diﬀerent beta distributions is challenging In Section 7.2.3,...

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Báo cáo hóa học: " From Matched Spatial Filtering towards the Fused Statistical Descriptive Regularization Method for Enhanced Radar Imaging" pot

Ngày tải lên : 22/06/2014, 23:20

... ﬁltering Consider the model from the previous example for an assumption, α S+ S , that is, the case of a priority of suppression of the noise over minimization of the systematic error in the optimization ... , M } of such an M-dimensional (M-d in our notation) data recording channel Viewing it as an approximation problem leads one to the projection concept for a transformation of the continuous ... equivalent to the point spread function in the conventional image processing terminology [6, 8] In this paper, we present the simulations performed with two characteristic scenes The ﬁrst one, of the 256-by-180...

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Báo cáo y học: "A statistical approach for detecting genomic aberrations in heterogeneous tumor samples from single nucleotide polymorphism genotyping data" pot

Ngày tải lên : 09/08/2014, 22:23

... correct interpretation of the SNP data requires consideration of the underlying triploid nature of the cancer cell line and the varying levels of normal DNA contamination As the germline-, normal- ... reproduce the same copy number profile for both cell lines (SW837/SW403) even in the presence of increasing levels of normal DNA contamination If normal contamination or baseline correction estimation ... be inconsistent with observed genotyping data [25] Model comparison In order to demonstrate the utility of integrating both normal DNA contamination and LRR baseline correction within a single...

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Báo cáo y học: "Results from the national sepsis practice survey: predictions about mortality and morbidity and recommendations for limitation of care orders" docx

Ngày tải lên : 13/08/2014, 16:21

... Additional files The following Additional files are available online: Additional file Additional data file is a JPG file containing a figure showing the 'lowest risk' vignette The shaded areas indicate ... predictions (inclusive of 90% of respondents) for each vignette as a measure of the variability in these predictions The unit of analysis for all results was the individual study vignette Each respondent ... this non-independence We considered responses to the same vignette by different respondents to be independent All tables display the association in such analyses including either a single independent...

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Báo cáo y học: "inferring steady state single-cell gene expression distributions from analysis of mesoscopic samples" docx

Ngày tải lên : 14/08/2014, 17:22

... 0.9999), indicating strongly in favor of the first interpretation, that Figure represents a single cell distribution of RNA expression with little, if any, contribution from samples containing multiple ... http://genomebiology.com/2006/7/12/R119 The following additional data are available with the online version of this paper Additional data file is a zip file containing the qRT-PCR data analyzed in this manuscript, the software ... statistics of the data that help us gauge the spread of the distribution of data points For instance, the 25th percentile represents the value that 25% of the lowest data points fall below While...

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Formulas from combustion Analysis

Ngày tải lên : 22/08/2012, 09:18

... công th c kinh ghi m c a h p ch t CH2 Ví d Tìm công th c kinh nghi m c a h p ch t ch a cacbon, hydro, oxy n u 1.000g h p ch t em t thu c 1.467g CO2 0.6003 g H2O i gi i: Kh i l ng c a cacbon dioxit ... t xác nh kh i l ng s mol c a cacbon, hydro t CO2 H2O Trang Tìm công th c phân t formulas from combustion analysis S mol cacbon = 0.406 g CO2 = Kh i l ng cacbon = 0.00922 mol C x = 0.250 g H2O ... kinh nghi m CH2O B áp d ng vào công th c nên ta tìm Công th c phân t tìm c công th c phân t , tr c h t ph i xác nh c công th c kinh nghi m( SGK g i công th c chung, ây ã dùng tên công th c kinh...

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How to setup a Linux system that can boot directly from a software RAID

Ngày tải lên : 18/09/2012, 10:11

... partitions and they fit your needs, they can be used The following screen shots depict the steps of the example: The next step is to setup the boot loader: Once the configuration installation options ... /boot/grub/grub.conf" succeeded Done grub> quit These command instruct GRUB to install on both the first partition of the first disk, and on the first partition of the second disk Testing the system ... provides, the installation of the system starts: Notice that while the system is installing, the software RAID transparently initializes the RAID devices: Finally restart the system: Enabling boot...

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Cambridge.University.Press.Allegories.of.Union.in.Irish.and.English.Writing.1790-1870.Politics.History.and.the.Family.from.Edgeworth.to.Arnold.Oct.2000.pdf

Ngày tải lên : 21/09/2012, 10:39

... religion, but in the damages done to the many in the interests of the few: the penal laws ‘‘divided the nation into two distinct bodies, without common interest, sympathy or connexion; one of which ... domination and opposition, the deployment of racial stereotyping in securing the subordinate status of the colonized – have clear applications in analyzing the discursive production of nineteenthcentury ... no single unified program of domination that proceeded in the same manner in every instance In the words of Catherine Hall, ‘ the different theatres of Empire, the different colonial sites, constructed...

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