Brief: We were assigned to construct a software that utilizes a classification algorithm that is able to accurately decide a correct classification for a certain sequence of inputs that were provided by the user. The input is to be classified based on a known training set of records of the same attributes as the sequence provided by the user. Method used: We were instructed to use naive Bayes classifier for data classification but no certain variation was provided. Minding that the dataset that was provided contained continuous data, there was two obvious approaches available handle to the situation: 1- Use a variation of naive Bayes that handles continuous data which features Gaussian (normal) distribution or reconstructing the …show more content…
Because doing the later might sacrifice the accuracy that is intended to be as high as possible for this assignment. Also, the fact that the provided dataset’s data has a very narrow difference spectrum will make it difficult to discretize them based on their numeric values, as the limit of (for example) assigning a value with the descriptive value (high) or (medium) is really …show more content…
I extracted the testing set by taking the last 15 records of each class for testing. Division Programming languages: For implementation I used Java and used derby database to manipulate the dataset. Using derby database instead of using the file directly may seem irrelevant and irrational but it allowed me to use SQL code which is ideal with manipulating bulks of data. It also grants flexibility and maintainability to the dataset and allows it to be swiftly modified updated or altered. Using SQL and avoiding over complicating my code helped me to easily trace the code as mathematical equations was a big part of the assignment and each mean, variance (standard deviation) and normal distribution function had to be recalculated by hand to ensure that no logical or mathematical errors existed. Thus making my overall approach to the assignment much more
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The complexity and memory requirements of the algorithm are in the order of $D_\mathcal{D}.{\rm N}$, denoted as $O(D_\mathcal{D}{\rm N})$. The algorithm become more effective when the minimum difference $\Delta Y_k$ is large between the transmission probability gains $Y_k$. Consequently, our algorithm finds an optimal solution coupled with linear complexity, when the network become more heterogeneous due to small ${\rm N}$. Our algorithm also finds the optimal solution with an increased complexity, when the network becomes more homogeneous or less heterogeneous due to increasing ${\rm N}$. The quantization precision ${\rm N}$ in Algorithm 1, is a physical quantity specified by the underlying network that elaborate the designing of quantization step. The total content size $H$ depends on the required content transmission rate $r_{c_i, d_i}$ and $Y_k$, whereas $Y_k \sigma$ are defined by the contact dynamics of the nodes in a network. However, if the network is difficult by the required level of transmission ratio, the values of $Y_k$ and the value of $\Delta Y_k$, such that $\rm N$ is too large, then the designer may have to comprise by reducing the desired level of transmission ratio to reduce $\rm N$. In results, the sub-optimal
Exploiting the tensor product structure of hexahedral elements expresses the volume operations as 1D operators. The details are presented in algorithm \ref{alg_hexvol}.
The fitness value of a string is calculated with the help of the above three estimated QoS parameters. The objective of our proposed algorithm is summarized to a search for different routing paths which will increase the values of the QoS parameters at each iteration. In order to generate a comparison set (C), a certain number of strings are randomly selected from the population. From the population, two strings are randomly chosen at once and compared with each string in the comparison set. If one candidate string is better than competitors considering all three QoS parameters, then Pareto-Optimal set (S) contains this string. On the other hand, if the both competitors are non-dominated, then a niche count is used to resolve this tie situation. Niche count is estimated as mentioned in [28], [29]:
After algorithm 1, we get the DI matrix. We artificially choose a value T near 1(such as 0.8) as the threshold of DI. The label matrix R is then generated by this threshold T.
In this section, we discuss the implementation of XXX and evaluate the performance of our proposed algorithm with synthetic inputs in terms of 1) SFC request acceptance ratio, 2) backup resource consumed by requests and 3) running time. For comparison, we implement a baseline method, where for an SFC request which requires n VNF and has the availability requirement of _, we keep increasing the number of backup for each VNF on all selected physical machines until each VNF can have an availability of n p _. The statistics shown in this section are the average results.
Social networks are growing day by day. For modular representation of Graph $G(V,E)$ first phase of the design issue is to modularize the network having border nodes\cite{newman2006modularity}. Boarder nodes
Inter symbol interference (ISI) is avoided by assuming the duration of cyclic long enough and furthermore the channel is assumed to be stationary within one symbol period ( h(k)=hr ).
We formalize our scheduling problem in terms of DCOP with a tuple of $ \textit{5} $ component.
A set of cases was taken and the program was trained with these data sets such that the probabilities of all the classes with all the conditions were calculated. Result was stored in database and when the test data was given we got the probabilities for the various classes for the given symptom values on the basis of which we inferred that the patient fell into the class with the highest probability. This is what is called the Naïve Bayes‟ classification. This is a very powerful technique that is instrumental in helping us predict the category a patient falls into.
There are six different forms of datamining. Each has its own significance in accomplishing the task. Each data mining form deals with specific cases and gives us a real solution for better lives.
Abstract— Data Mining extracts useful information about data. In other words, Data Mining extracts the knowledge or interesting information from large set of structured data that are from different sources. Data mining applications are used in a range of areas such as it is used for financial data analysis, retail and telecommunication industries, banking, health care and medicine. In health care, the data mining is mainly used for disease prediction. In data mining, there are several techniques have been developed and used for predicting the diseases that includes data preprocessing, classification, clustering, association rules and sequential patterns. This paper analyses the performance of two classification techniques such as Bayesian
When the data values are evenly distributed about the mean, a distribution is said to
The backend of the system requires software and hardware to manipulate the data once it collected. While there are many software applications on the market, unless you are part of a company’s Information Systems team, you will not come into contact with this part of the system. Furthermore, there are too many options to cover in this presentation.
Hybrid intelligent systems are vital research areas for solving complex and multi-phase problems. Medical diagnostic field is characterized by several sequential and related processes. Knowledge representation of diseases is the essential goal of any medical system. The main sub-procedures are data selection, data preprocessing, data transformation, pattern/rule induction and knowledge interpretation. Figure 4 introduces the main steps of knowledge representation system.