using administrative data for epidemiological research

... clinical and the community samples and the controls (data for both sexes is given in this Table, while data for boys only are given in Table and for girls only in Table 3) Larson et al BMC Psychiatry ... large-scaled epidemiological research is obvious, but it may also be a tool in the clinic, for example in screening referred children waiting for clinical appointments, and providing structured information ... (15%) N = 22 (10%) N = 53 (23%) but for both genders, these were very similar to those for the collapsed gender groups The ROC analyses for ASDs were recalculated for the 34 clinical subjects who...

Ngày tải lên: 11/08/2014, 17:20

... results for S cerevisiae obtained using smoothed noisy data, when w < 0.250, the number of static enzymes tended to be larger than in the results obtained using noise-free data In the results for ... metabolome data As shown in Table 2, almost the same results in distinguishing dynamic/static enzymes were obtained between the procedures using noise-free data and those using noise-added data This ... glycerol Additional material ENO enolase Additional file Supplementary information for "Distinguishing enzymes using metabolome data for the hybrid dynamic/static method" An example of the estimation...

Ngày tải lên: 13/08/2014, 16:21

... denoted as LH (LUT data header) 3.3 Overhead Information and Data Embedding The overhead information includes two kinds of data; SH is the pattern pairs information (Figure 5) for data embedding, ... groups, used and unused For each used pattern A, an unused pattern B, its content is the most closest to pattern A, will be selected to form a pair for data embedding In the data embedding process, ... image using Gaussian filtering; (b) the reconstructed image using LUT method; (c) the reconstructed image using ELUT method; (d) the reconstructed image using the proposed method image using Gaussian...

Ngày tải lên: 21/06/2014, 08:20

... output value is j j Using a Feature Projection Technique for Handling Noisy Data of Machine-labeled Data We finally obtained labeled data of a documents unit, machine-labeled data Now we can learn ... process For each feature ti tw(ti,d) is calculated For each feature ti For each category cj vote[cj]=vote[cj]+vs(cj,ti) by Formula 15 prediction = arg max vote[c j ] cj 5.1 Empirical Evaluation Data ... Roccio) in training data with much noisy data such as machine-labeled data As shown in Table 2, we obtained the best performance in using TCFP at all three data sets Let us define the notations...

Ngày tải lên: 20/02/2014, 16:20

... frequently referenced members For marketing research useful for marketing strategy formulation, the devotees and the insiders represent the most important data sources Preliminary research reveals that ... of others’ personal stories, and informed consent (Sharf 1999) Therefore, there are four ethical research procedures that I recommend for marketing researchers using “netnography.” Although they ... the research question of interest) While including all the data in a first pass or “grand tour” interpretation, researchers will generally want to save their most intense analytical efforts for...

Ngày tải lên: 23/03/2014, 03:20

... the score improved only marginally for the clean data system, but considerably for the noisy data system The noisy data system then outperformed the clean data system These results are summarized ... (Vogel et al., 1996) were trained for both the clean parallel corpus and for the extended corpus with the noisy Xinhua News data The alignment models were trained for Chinese to English as well ... news, even though they date from a year not included in the training data Adding this corpus to the other training data therefore gives the potential to extract more and longer phrase to phrase...

Ngày tải lên: 24/03/2014, 03:20

... versus research cohort databases for: (Comparison A) 559 patients in research cohort and same 559 patients in routine clinic databases; and (Comparison B) 559 patients in research cohort database ... implications for the use and interpretation of data derived from routine HIV observational databases for research and audit, and they highlight the need for ongoing regular validation of key data items ... and data were entered into a separate research cohort database by a dedicated research clerical team Full details of the research cohort study procedures have been described previously [9] All research...

Ngày tải lên: 20/06/2014, 08:20

... semble performances more stable This paper presents a score following algorithm that conforms to the two-level model using a particle filter [12] Our method estimates the score position for the ... human’s performance The coplayer robot is required to follow the human’s performance even when the human accompanist varies his/her speed Humans often changes his/her tempo in their performance for ... unstable, especially for those IDs under 10 which has no drums, because the width is too narrow to account for the temporal fluctuations in the actual performance The musical performance tends to...

Ngày tải lên: 21/06/2014, 08:20

... ≤ s ≤ , 2.4 Boundary Value Problems Therefore we obtain the following equivalent form of 1.1 v t f Lv t , −v t 0, t ∈ 0, ; 2.5 m−2 v 0, αi v ηi v i For the rest of this paper we always suppose ... is o v for v near uniformly on bounded λ intervals and La is a compact linear map on Y A solution of 3.1λ is a pair λ, v ∈ E By H1 , the known curve of solutions { λ, | λ ∈ R} will henceforth ... compared to φk ∈ Tk near α φk w/α and therefore v αφk w ∈ Tk for α near ∞ Here and in the following the same argument works if is replaced by − Therefore, Dk ∩I ⊂ R×Tk ∪ λk , ∞ Now we have two...

Ngày tải lên: 21/06/2014, 20:20

... the snr for all equalizers and n = 512 For snr less than 22 dB, the nonlinear GPR equalizer achieves the minimum BER with a gain larger than dB for BER around 10−3 For larger snr, the performance ... equalizers perform significantly better The nonlinear SVM equalizer performs as the GPR equalizer for snr lower than 17 dB, but for larger snr the training sequence is not 10 In any case, for the snr ... solution Also, using a radial basis kernel for the nonlinear part seems an appropriate choice to achieve nonlinear decisions for digital communication receivers, because the received symbols form a constellation...

Ngày tải lên: 22/06/2014, 01:20

... payload format for generic forward error correction,” Internet Draft draft-ietf-avt-ulp-18, IETF, work in progress, June 2006 [32] J Rosenberg and H Schulzrinne, “An RTP payload format for generic forward ... blocks at a frame rate R f frames per second: Source data FEC header Source data (redundant data) k1 , k2 , , ki , , kL , Figure 4: IP datagram format of RTP stream through FEC-onTQM two separate ... of FEC for a GOP For frame i, the video data bandwidth Bdata (i) and the required FEC bandwidth Breq (i) to achieve the target packet loss probability can be easily computed as follows: Bdata (i)...

Ngày tải lên: 22/06/2014, 19:20

... been working as a CNRS researcher (French National Centre for Scientific Research) in the Institute for Electronics and Telecommunications of Rennes (IETR) His current research focuses on transmitter ... SS-OFDM, whereas DMT needs channel attenuations lower than 58 dB to transmit information for all users For example, for the largest range, that is, channel attenuation in [20; 83], the optimal ... 175 configurations that give a gain of at least 10% for all the channel attenuations, and 449 configurations for which SSOFDM outperforms DMT for all the channel attenuations Then, there is a great...

Ngày tải lên: 22/06/2014, 19:20

... HMM for sudden noise The recognition units in clean-speech HMMs were triphones, which were trained using cleanspeech data An HMM for sudden noise was trained using sudden noise samples Then, for ... Amount of node data Large δi · · · δN ×K Amount of node data Large Moderate Small Moderate Small (a) Amount of data is small (b) Amount of data is large Figure 2: Tree structure for shifts estimation ... noise HMM were trained using clean speech samples and noise samples as the training data, respectively Then, the speech HI-HMM was transformed to HD-HMM for the given house using the adaptation...

Ngày tải lên: 22/06/2014, 23:20

... quantization for noisy channels,” IEEE Transactions on Information Theory, vol 36, no 4, pp 799–809, 1990 E A Vassilieva holds a position of researcher in the French National Center for Scientific Research ... problem is precisely formulated, in the rest of this section we envisage to recall some design and performance issues related to vector quantization for noisy channels However, before we start several ... presented a paper using minimax criterion based on hypercube that improves the worst case performance, important for the image perception Knagenhjelm and Agrell employed the Hadamard transform to derive...

Ngày tải lên: 22/06/2014, 23:20

... Direct form using the input -data folding scheme (b) Transposed direct form using the input -data folding scheme (c) Direct form using the coefficient folding scheme (d) Transposed direct form using ... input (sub) -data latches But, for the transposed direct-form architectures using coefficient folding and tap folding, as shown in Figures 2(d) and 2(f), the operation frequencies of input data paths ... consumption using a uniform-distribution input sequence This processor’s specifications are detailed in Table where input -data and coefficient word lengths are both 10 bits The folding numbers for input-data...

Ngày tải lên: 22/06/2014, 23:20

... assigned MR data CTbulk designates bulk density assigned CT data CThom designates calculations performed without inhomogeneity corrections on CT data Figure DVH for prostate PTV for several bone ... DVH comparisons for all geometries The figure shows PTV DVH comparisons between bulk density assigned data and CT data for the lung patients The exact same treatment setup was used for the two geometries, ... comparisons for all geometries The figure shows PTV DVH comparisons between bulk density assigned data and CT data for the brain patients The exact same treatment setup was used for the two geometries,...

Ngày tải lên: 09/08/2014, 09:20

... primary data collection, data are assembled directly for the intended research purpose [1] Only few large-scale population-based studies have been performed in companion animals For example, data ... evaluate benefits of and limitations for the use of insurance databases for research purposes Finally, we aimed to discuss the future of research using animal insurance data and suggest steps to take ... http://www.actavetscand.com/content/51/1/42 Limitations of using animal insurance data in research Validity of the data Once compiled, a "research insurance database" is technically easy to analyse for a number of disease problems...

Ngày tải lên: 12/08/2014, 18:22

... polymorphism information content (PIC) per locus using the program Microsatellite TOOLKIT [26] Locus-wise tests for Hardy-Weinberg equilibrium (HWE) due to heterozygote deficiency were performed with ... coancestry for the whole Yakutian cattle population (60 individuals), for the all the bulls (23 bulls comprising the six cryo-bank bulls and the 17 reference bulls), for the 17 reference bulls, for ... sequential Bonferroni correction) The bias for rW for UN pairs was downwards, while that for rW and rQG in the category of PO was upwards (Additional file 3) The performance of rK was very similar to...

Ngày tải lên: 14/08/2014, 13:21

... resulting in too much information; (3) algorithms and statistical baselines are not well developed; and (4) new information related to Using Social Media and Internet Data for Public Health 37 health ... information is not always moderated by professionals or interpreted for relevance before it is disseminated to interested surveillance epidemiologists; (2) there is no standardized system for ... how quickly event-based data are evolving and of why such information is not necessarily wholly contained in the research literature Consequently, it will be critical for future studies to include...

Ngày tải lên: 08/04/2015, 17:20

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Ngày tải lên: 30/11/2015, 21:20