the analysis of survival data
An investigation into the use of gaussian processes for the analysis of microarray data
Ngày tải lên :
28/09/2015, 13:38
... high if the two means of the classes are very different and the data of each class are crowded near the mean of the data Fisher Score has been widely used in the microarrays data as the filter ... overlap region of the data Thus, the denominator of (2.1) is introduced to overcome this situation Thus, Fisher Score is a measurement of the data in term of its distribution The value of the score ... In this thesis, the focus will be on a supervised method, i.e the outputs of the training examples are known and the purpose is to predict the output of new example In most of the cases, the outputs...
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Báo cáo khoa học: "Young patients with colorectal cancer have poor survival in the first twenty months after operation and predictable survival in the medium and long-term: Analysis of survival and prognostic markers" pot
Ngày tải lên :
09/08/2014, 03:22
... provision of data for survival analysis RW - Collection of data, wrote the manuscript in draft SKK -Contributed to drafts of the manuscript SS - Supervised and assisted in all of the statistical analysis ... Tabulated data, wrote the manuscript in draft BED -Undertook all of the statistical analysis and contributed to several drafts of the paper RID Helped in data collection and tabulation and provision of ... patients, the majority of older patients (75%) had R0 resection Survival Analysis in the Young During a median fifty months of follow-up in 53 young patients, were lost to follow up early Of the remaining...
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Báo cáo khoa hoc:" A quasi-score approach to the analysis of ordered categorical data via a mixed heteroskedastic threshold model" pdf
Ngày tải lên :
09/08/2014, 18:21
... an approximation of the variance-covariance matrix One of the main advantages of this method is that it mimics the mixed model equations of Henderson [23] making the estimation of fixed effects ... P the contribution of random effects to the model with u being a (q x 1) vector of * scaled deviations, zi the corresponding row incidence vector and !!! the square root of the u-component of ... Let y of the data variance-covariance matrix be the vector of the 1) first categories y observed cumulative proportions of response in (!i y!, , y!/ the (J Let y i ( ’f !2!, , !z J) be the (J...
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Báo cáo sinh học: " The analysis of disease biomarker data using a mixed hidden Markov model (Open Access publication)" ppt
Ngày tải lên :
14/08/2014, 13:21
... that the mixed HMM provides a good t to the data sets simulated in this study The advantages of the HMM over other approaches are the prediction of health or disease status, the reduction of conrmatory ... Evaluation of the accuracy of the estimates The estimates ^ti ; r2 ; r2 ; r2 ; aị of the parameters lti ; r2 ; r2 ; r2 ; aị were l ^0 ^1 ^a ^ a computed, after burn-in, as the means of the posterior ... dependent upon the genetic make-up of the cows The t of the HMM was assessed on simulated data based on parameters obtained in a survey of clinical mastitis cases Bayesian estimates of the parameters...
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Báo cáo sinh học: "Use of the score test as a goodness-of-fit measure of the covariance structure in genetic analysis of longitudinal data" ppt
Ngày tải lên :
14/08/2014, 13:22
... functions of the rst and second derivatives of the likelihood with respect to the covariance matrix parameters In fact, let d be the vector of the diagonal elements of matrix D, and g the vector of the ... checks the actual goodness -of- t of the environmental variance to the data whereas the previous score statistic (T r ) was a goodness -of- t measure for the environmental variance assuming all the other ... If J is the number of times of Goodness -of- t for genetic longitudinal data analysis 191 measurement, d is of dimension (J ì 1) and g of dimension ((J(J + 1)/2) ì 1) The rst derivative of the likelihood...
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Báo cáo y học: "ChIPOTle: a user-friendly tool for the analysis of ChIP-chip data" docx
Ngày tải lên :
14/08/2014, 15:20
... distribution with a mean of zero The variance of the observations is estimated by the average sum of the squared negative log ratios Under the null hypothesis, the distribution of the average log2 ratio ... width of portion of the peak above the significance cutoff, 'array density' of the peak, and the P value for that peak The array density value is defined as the average number of arrayed elements ... selected then the user is prompted to enter the peak height; for option the user is prompted to provide the significance P value cutoff; and for option the user is prompted to provide the number of...
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ON THE ANALYSIS OF LARGE-SCALE DATASETS TOWARDS ONLINE CONTEXTUAL ADVERTISING
Ngày tải lên :
20/08/2014, 09:36
... outside of the training test Moreover, it can lead to the linearly growth of number of parameters along with the size of the corpus 32 LDA, on the other hand, is a more completed topic analysis ... are close to the others The cosine of the angle between two strings measures the similarity of them It defines how similar they are For a web page p and an ad message a, let wpi be the weight associated ... COLLEGE OF TECHNOLOGY With the rise of the internet, there came the rise of online advertising It in turn has been playing a growing part in shaping and supporting the development of the Web...
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Effects of misspecification in the approach of generalized estimating equations for analysis of clustered data
Ngày tải lên :
05/10/2015, 13:53
... each of five consecutive days Longitudinal data therefore combine the nature of multivariate and time series data However, longitudinal data differ from classical multivariate data in that they ... represents the mean of Y , then the variance expressed as a function of the mean is V ar(Y ) = φV (µ) where V is the variance function and φ is the dispersion parameter Probability distributions of response ... µit and the different variance function V The SS-GEE is not implemented as often as the PA-GEE model We should also emphasize that the focus of the PA-GEE model is the introduction of structured...
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Harness the power of big data IBM platform
Ngày tải lên :
07/12/2013, 11:33
... to the frontier of the business, the more complete a picture you have of the topic of interest, and you have it earlier in the cycle Data Here, Data There, Data, Data Everywhere: The Veracity of ... Flash 6X9 / Harness the Power of Big Data: The IBM Big Data Platform / Zikopoulos / 817-5 10 Harness the Power of Big Data: The IBM Big Data Platform kind of data complements the data that we use ... Harness the Power of Big Data: The IBM Big Data Platform / Zikopoulos / 817-5 Harness the Power of Big Data 00-FM.indd 04/10/12 12:19 PM Flash 6X9 / Harness the Power of Big Data: The IBM Big Data...
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The analysis of theme and rheme in little house on the prairie = sự phân tích về đề ngữ và thuyết ngữ, thông qua truyện ngôi nhà nhỏ trên thảo nguyên
Ngày tải lên :
22/12/2013, 12:59
... Interpersonal Themes, on the other hand, reveal something of the attitude of the speaker or the writer And Textual Theme is the link between the clause contains that Theme and the rest of the discourse ... that of the Interrogatives is the Interrogative word and that of the Imperatives is the Imperative form of the verb And Rheme is the remainder of the message, and also the part in which the Theme ... not all about Theme and Rheme, although "The Analysis of Theme and Rheme in "Little House on the Prairie" is shown as the theme of the study Method of the Study - A great number of documents and...
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Tài liệu Báo cáo khoa học: A systems biology approach for the analysis of carbohydrate dynamics during acclimation to low temperature in Arabidopsis thaliana doc
Ngày tải lên :
14/02/2014, 22:20
... photosynthesis, gas exchange of plants was measured by infrared gas analysis Measurements were performed during the first h 508 of the light phase, representing the time period of photosynthetic ... interconversion rates as a function of time of cold exposure, (b) comparison of the magnitudes of the various interconversion rates, and (c) lineup of the accessions with respect to their metabolic acclimation ... terms of the absolute values but also in the progression of the acclimation process This is an important outcome, as it allows estimation of the impact of different metabolic responses on the improvement...
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Tài liệu AN INTRODUCTION TO THE ANALYSIS OF ALGORITHMS pdf
Ngày tải lên :
19/02/2014, 20:20
... frame of reference: the intended use of the algorithm, the importance of the algorithm in relationship to others from both practical and theoretical standpoints, the difficulty of analysis, and the ... larger than all the elements to the end of each of the auxiliary arrays, to help accomplish the task of moving the remainder of one of the auxiliary arrays back to a after the other one has been ... implementation Indeed, when the results of analytic and empirical studies agree, we become strongly convinced of the validity of the algorithm as well as of the correctness of the process of analysis Some...
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The analysis of vitamin c
Ngày tải lên :
03/03/2014, 11:49
... Using a 0.1000-g sample of pure ascorbic acid, 25.32 mL of I2 were required to reach the starch end point a What is the molarity of the iodine solution? b What is the titer of the iodine solution ... add mL of starch indicator to the first ascorbic acid sample and titrate with the iodine solution Note the change of the I2 color as you swirl the flask gently and continuously during the titration ... parameter called the titer -the number of mg of ascorbic acid which reacts with ml- of iodine solution This number is easily found from the I2 concentration and the mass relationship in the reaction...
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The analysis of AHAs in cosmetic
Ngày tải lên :
03/03/2014, 11:49
... 10 minutes at 6000 rpm The supernate was filtered with 0.45 µm filter and the filtrate was taken for HPLC analysis By comparing the ratio of the peak area of the sample to the internal standard ... and therefore, could not be separated completely We tested the concentration and pH impact of liquid solution on capacity factor of four AHAs for the reference of selection of mobile phase There ... International Journal of Cosmetic Science 18: 75-83 Department of Health, Executive Yuan 1998 The regulations of the pH value, purpose and warning of the αhydroxyacids and the related compound.(Glycolic...
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The analysis of triclosan in toothpaste
Ngày tải lên :
03/03/2014, 11:49
... because the deposit was more spread out The degree data probably give lower results because the slower rotation is causing some of the sample to blow off of the disk file:///D|/LCwebpage/dbdata/docs/An_20.htm ... search on each of the spectra generated Due to the intricacy of the spectrum the percent match increased as the IR search area was restricted Although all tests gave good results for the reduced ... identification of these components was not attempted in this study file:///D|/LCwebpage/dbdata/docs/An_20.htm (4 of 6) [05/22/2000 3:27:23 PM] The Analysis of Triclosan in Toothpaste Figure All of the spectra...
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TECHNIQUES FOR THE ANALYSIS OF ORGANIC CHEMECALS BY INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY (ICP-MS) pptx
Ngày tải lên :
05/03/2014, 21:20
... avoiding the use of highly flammable or explosive gases in the laboratory The oxygen is added either in the spray chamber or using a T-connector before the torch When oxygen is added to the plasma, the ... analysis of the organic solvent is the preferred method of analysis, either untreated or simply diluted in a suitable solvent Direct organic solvent analysis demands some ... procedure, provided that the operator has a clear view of the plasma A default flow of oxygen is added to the carrier gas flow (e.g Oxygen at 5% of the total argon carrier flow) and the organic solvent...
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A Guide to the Analysis of Fish Marketing Systems Using a Combination of Sub-sector Analysis and the Sustainable Livelihoods Approach potx
Ngày tải lên :
07/03/2014, 00:20
... failing to meet their objectives this may be because of lack of assets or that their aims are in conflict with those of other, more powerful, groups One of the key principles of the SLA is the attempt ... sub-sector Analysis of the structure of the commodity system usually focuses on the characteristics related to the Chapter number and size of firms in relation to the size of the market, the presence ... another area that is likely to be important in the economic context of the subsector analysis For example, one of the objectives of the Bangladesh study was to investigate the link between the...
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