use of artificial neural networks to predict the business success or failure of start up firms

Báo cáo khoa học: "parison between logistic regression and neural networks to predict death in patients with suspected sepsis in the emergency room" ppsx

Ngày tải lên : 12/08/2014, 22:21

... number of variables The comparison method is supposed to constrain the neural network analysis by limiting the number of potential predictor variables to the same set of predictor variables used ... 10% immature forms (bands) We excluded eligible participants if they, their relatives, or their doctors refused to provide consent to participate in the study, or if they died or were ... Table Level of variables and relative weight according to their score Variable Level of variable Score Presence of GSD or ISD Respiratory rate Rate >34 breaths/min Respiratory rate GSD or ISDa Rate...

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using artificial neural networks to identify image spam

Ngày tải lên : 30/10/2014, 20:14

... palette of 256 colors PNG (Portable Network Graphics) was the open source successor to gif graphics but supports more colors, up to 16 million JPEG (Joint Photographic Experts Group) supports 8bits ... rated the domains taking into consideration size of the domain and the ratio of the number of reported spam-advertised junk product sites to the number of total domains the registrars have They used ... sets up the rest of the format for the ANN input file The program handles multipart images, creating separate lines of data for each frame, or single part images The process works as follows • Use...

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Estimation of Proper Strain Rate in the CRSC Test Using a Artificial Neural Networks

Ngày tải lên : 22/03/2013, 15:01

... training the ANN model, and the others are used for the comparison 631 16 between the predicted value and the measured value The properties of the soil used for training of the MANN models are shown ... inferred to compare with the predicted value Properties of the soil used for verification of the ANN models are summarized in Table Table Properties of the soil used for verification of the MANN ... ratio is used 30% that set by ASTM D4186 Verify the reliance of the ANN Fig Flow chart for programming of the artificial neural network DESIGN ARTIFICIAL NEURAL NETWORK MODEL VERIFICATIONS OF MANN...

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báo cáo hóa học:" The use of average Pavlov ratio to predict the risk of post operative upper limb palsy after posterior cervical decompression" pot

Ngày tải lên : 20/06/2014, 04:20

... C5/6 by the compression C, no deformation of the cord at C4/5 Figure the sagittal diameter the corresponding spinal laminar line Theposterior point ofof the spinal canal (a) is measured from The ... ratio is expected to be skewed instead of normal, which justified the transformation of the Average Pavlov ratio into a categorical variable We used the 1st quartile as the cut off for defining extremely ... diameter of the spinal canal (a) is measured from the posterior point of the corresponding spinal laminar line The sagittal diameter of the vertebral body (b) is measured at the midpoint, from the...

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Forecasting with artificial neural networks: The state of the art pot

Ngày tải lên : 30/07/2014, 09:21

... independent of the normalization of the inputs For time series forecasting problems, however, the normalization of targets is typically performed together with the inputs The choice of range to which ... ANNs for the purpose of minimizing the network size and hence the data requirement for training In the exploratory phase, the Box-Jenkins method is used to ﬁnd the appropriate ARIMA model In the ... as a result of normalizing the target values, the observed output of the network will correspond to the normalized range Thus, to interpret the results obtained from the network, the outputs...

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Báo cáo y học: "An artificial intelligence tool to predict fluid requirement in the intensive care unit: a proof-of-concept study" docx

Ngày tải lên : 13/08/2014, 11:23

... directly correlated with the outcome variable of interest are identified The idea is to provide the values of these predictor variables from the index patient to the model, and a predicted range of ... situation, the Bayes factor is calculated with the same numbers used to calculate a p value [6] The formula is as follows: [7] Bayes factor = e-Z^2/2 where Z is the number of standard errors from the ... distribution of the variables Each link between two nodes in the network has a corresponding Bayes factor These were not shown because prediction of a variable based on the values of the variables...

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Báo cáo khoa học: "Combining a Statistical Language Model with Logistic Regression to Predict the Lexical and Syntactic Difﬁculty of Texts for FFL" potx

Ngày tải lên : 08/03/2014, 21:20

... three The regression models By the end of the parameterisation stage, each text of the corpus has been reduced to a vector comprising the 14 following predictive variables : the result of the language ... value of the denominator is the same for each j Heilman et al (2008) drew attention to the fact that the MLR model multiplies the number of parameters by J − compared to the PO model Because of ... when the number of classes is small Exploratory analysis of the corpus highlighted the importance of having a similar number of texts per class This requirement made it impossible to use all the...

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a new type of structured artificial neural networks

Ngày tải lên : 28/04/2014, 10:06

... correspond to services and the connections to scopes in the matrix of services This theorem follows from the theorem of universality However, in order to make the correspondence more explicit, ... the order of C and j is any of its columns, then Cjj = C If there are any A’s in that column, then the downmost A, say in row Dj , is the terminal A, and the length of the scope of the corresponding ... travels down the scope to the various A’s in column j, and then horizontally from the A’s to the C’s in the corresponding rows, reaching as far as the C in column Dj , which corresponds to the terminal...

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audio to visual speech synthesis using artificial neural networks

Ngày tải lên : 28/04/2014, 10:06

... parameters was also used as an indicator of network performance The networks varied somewhat in their abilities to reproduce the output parameters of each speaker (0.75 to 0.84 mean correlation across ... tested, 65 of which had been used to train the network and 66 completely new words Each of these 131 words was presented using ANN and text -to- speech (TtS) based synthesis, for a total of 262 trials ... [http://cslu.cse.ogi.edu/corpora/stories/] were used to train ten different ANNs The stories corpus is made up of extemporaneous speech collected from English speakers in the CSLU Multi-language...

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Báo cáo hóa học: " Improvement for detection of microcalcifications through clustering algorithms and artificial neural networks" ppt

Ngày tải lên : 20/06/2014, 22:20

... and the cluster vi is an indicator of the distance of the data points from their cluster prototypes V = [v1, v2, , vk] is the vector of prototypes of the c clusters, which are calculated according ... thank the Group for Automation in Signal and Communications (GASC) of the Technical University of Madrid, the Laboratorio de Inteligencia Computacional (LABINCO) of the Guanajuato University, The ... kmeans algorithm to the data vector Z 5.2 Image segmentation by clustering 5.2.1 Data vector creation A data vector Z for each ROI is generated for each of the images obtained from the previous...

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Báo cáo vật lý: "SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF Pb(II) AND Cd(II) USING ARTIFICIAL NEURAL NETWORKS" potx

Ngày tải lên : 07/08/2014, 14:20

... used to predict the response of the concentration of Pb(II) and Cd(II) The mean-squared error (MSE) for training was measured at the end of the epochs by the MATLAB program to show the goal of ... network training period Fifteen spectra were used for the training of the ANN and three spectra were used for prediction Network optimization was performed by changing the number of neuron in the ... Expected 10.0 Expected 15.0 Average calibration errora Predicted Error Predicted Error Predicted Error Predicted Error Predicted Error Predicted Error 1.2 2.8 12.7 3.7 14.0 3.2 1.8 11.0 1.0 15.1...

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Báo cáo y học: "Utility of the Framingham risk score to predict the presence of coronary atherosclerosis in patients with rheumatoid arthritis" pps

Ngày tải lên : 09/08/2014, 08:23

... adds information to the prediction of overall mortality [22] Thus, efforts have been made to improve the prediction of risk by combining the Framingham risk score with coronary calcium score, and ... gender with the entire group of RA patients and thus predictably did not exactly match with either the early or late RA groups Minor differences between the groups were dealt with by the use of multivariable ... for editing their journal; and fees from the National Institutes of Health for participating in peer review CMS holds a patent on the use of interleukin-2 to monitor cyclosporine activity; the...

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Báo cáo y học: "Clustering of phosphorylation site recognition motifs can be exploited to predict the targets of cyclin-dependent kinase" potx

Ngày tải lên : 14/08/2014, 17:22

... the start of the cluster, and between the end of the cluster and the end of the protein We then took the minimum of these divided by the length of the protein to be the position We computed the ... compared the frequency of matches to the cy motif in the clb5 specific proteins with the frequency in the rest of the proteins above the cutoff (Figure 8b) Although the frequency of cy motifs in the ... have more chances to obtain a high scoring cluster We therefore correct for the total number of clusters searched by multiplying the P value by this factor (a Bonferoni multiple testing correction)...

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THE USE OF WARM UP ACTIVITIES IN MOTIVATING 10TH FORM STUDENTS TO LEARN READING SKILL

Ngày tải lên : 14/09/2015, 09:28

... lesson Warmups set the tone of the lesson because they are the first activities of the lesson Therefore, they must be interesting enough to attract students from the beginning  Warm -up activities ... lesson to raise students’ learning motivation from the beginning They are really of great importance They set the tone of the lesson because they happen first They get students to brainstorm and ... levels of warming up activities used Questions from to gathered information about advantages of warming up activities used to the whole class Question gathered information about the role of warming...

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Principles of artificial neural networks

Ngày tải lên : 09/10/2015, 05:46

... to the memory of Dr Kate H Kohn of Michael Reese Hospital, Chicago and of the College of Medicine of the University of Illinois at Chicago and to Dr Boris Vern of the College of Medicine of the ... help to fill a gap in the literature available to a graduate student or to an advanced undergraduate Senior who is interested to study artificial neural networks or to apply them Above all, the ... model and therefore to any multi-layer neural network, including all networks discussed in later chapters of this text It therefore applies the Madaline of the next chapter and recurrent networks...

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Tài liệu Kalman Filtering and Neural Networks - Chapter VII: THE UNSCENTED KALMAN FILTER pdf

Ngày tải lên : 23/12/2013, 07:16

... augmented with the noise RVs This reduces the dimension of the sigma points as well as the total number of sigma points used The covariances of the noise source are then incorporated into the state ... ð7:102Þ In the case of filtering, we not need to keep the whole history of the sample trajectories, in that only the current set of samples at time k is needed to calculate expectations of the form given ... ð7:70Þ For the nonlinear case, the EKF replaces the Kalman filter The use of the EKF for the forward filter is straightforward However, implementation of the backward filter is achieved by using the...

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ARTIFICIAL NEURAL NETWORKS – ARCHITECTURES AND APPLICATIONS doc

Ngày tải lên : 15/03/2014, 23:20

... in integrators, but promotes it in resonators The excitatory inputs push the state of the system towards the shaded region of ﬁgure 8, while the inhibitory inputs push it out In resonators, both ... information to sensory cortices and load the ﬁrst percepts of the sensory cortex to other parts of the brain The Newtonian dynamics can model cortical input and output functions but not the formation ... activity of small neural networks and the macroscopic activity of the brain The topology includes excitatory and inhibitory populations of neurons and the dynamics is represented by ordinary...

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Artificial Neural Networks - a Useful Tool in Air Pollution and Meteorological Modelling pdf

Ngày tải lên : 29/03/2014, 21:20

... Pollution Artificial neural networks – several types for different purposes Artificial neural networks can be divided into several groups according to their topology The tool was firstly widely used ... this area, or is the problem too stochastic to be grouped? If there are groups, what is the “natural” number of groups there? To answer these questions we examined the wind data for five stations ... shown to be useful tools for environmental modelling: the multilayer perceptron neural network MPNN and the Kohonen neural network KNN MPNN is an universal approximator Therefore it can be used for...

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vehicle signal analysis using artificial neural networks

Ngày tải lên : 28/04/2014, 10:02

... distribution factors (AWDFs) which is the output of another ANN The major input parameter of the AWDF calculating the ANN is the peak strain values of concrete deck which corresponds to each axle of a passing ... factors (AWDFs) which are used to calculate weight of each axle by multiplying to the resulting GVW The input values of this ANN are peak strain values of the concrete deck corresponding to the ... Installation of Data Acquisition System The sensors used to develop the B-WIM system are all strain gauge, and the sensors can be categorized into weight-measuring sensors and axle-detecting sensors Weight-measuring...

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warder - 1713 - the true amazons or, the monarchy of bees -- also, how to make the english wine or mead

Ngày tải lên : 12/06/2014, 11:31

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