Essay On Rain Prediction - 860 Words

Fuzzy logic techniques for prediction of rainfall Rainfall is a stochastic process that depends on temperature, humidity and winds. To obtain accurate rainfall prediction the above said factors should be well maintained and controlled. For this purpose a number of methods have been proposed. Fuzzy inference is used for mapping I/P and O/P sets with a set of fuzzy rules. Fuzzy inference is performed in four steps fuzzification, rule evaluation, aggregation of rule outputs and then defuzzificztion. Fuzzy rule based model provides ductility in modeling the blurred relationship between input and output variables. Data mining techniques Data†¦show more content†¦Works done using clustering techniques Clustering is a process in which cluster of homogenous objects are made on the basis of their similarity in logic and characteristics. Clustering methods involve partitioning methods, hierarchical agglomerative methods, the single link method (SLINK), the complete link method (CLINK), the group average method, and text based documents. This part of paper highlights works related to clustering techniques carried for weather forecasting in past: Kavita.P et al. used weather data set of Bangladesh to present a model for predicting the weather using K- means clustering by analyzing temperature at atmospheric pressures with 400 hpa, 500 hpa, and 700 hpa. Badhiye S.S.et al. provided an approach using clustering techniques for future prediction of temperature and humidity. The clustering analysis was used to partition data by taking the similarity of objects into consideration. K-Nearest Neighbor algorithm was used. Absolute distance and Euclidean distance measuring was used to obtain distances between datasets in K- Nearest Neighbor algorithm. Sanjay Chakarborty et al. proposed a methodology for time series forecasting through clustering. Incremental K- means clustering was used for this methodology. Air pollution data was collected from â€Å"West Bengal air pollution controlShow MoreRelatedScientific Predictions Are Not Always Accurate And Helpful1272 Words   |  6 Pageslike weather forecasts, have become common in people’s daily life. Some of them, because of their accurate prediction, have brought great helpfulness and convenience. However, there is a considerable amount of research still endeavouring to improve forecast accuracy today, which means that the accuracy of today’s scientific forecasts is not enough either for scientists or for the public. This essay will seek to demonstrate that scientific forecasts are not always accurate and helpful. First of all,Read MoreMeteorology : Hurricanes And Typhoons1071 Words   |  5 Pages ------------ What is the current status of rebuilding and reconstruction of the devastated areas. 4). Technology employed by meteorologists for the prediction of such storms. 5). Conclusion INTRODUCTION: A hurricane is a violent wind, cyclonic storm with heavy rains. In this essay, I am explaining about Katrina Hurricane which struck the united states in the year of 2005. So many people died and lot of property was damaged due to this hurricaneRead MoreClassical And Instrumental Conditioning Explain Learning1141 Words   |  5 PagesThis essay will describe how the psychological processes of Classical and Instrumental conditioning explain learning. Classical does so through the use of involuntary reflexes while Instrumental through the use voluntary behaviour and reinforcement. Their effectiveness will be explained through the supporting studies. 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Before I dig any deeper into the complicated weather systems, I will first describe a veryRead MoreFree Will vs. Determinism Essay1716 Words   |  7 Pagesfirst define each. Determinism is the idea that everything happens due to a cause or a determinant, which is something that can be observed or measured. To put it simply, determinism does not mean that the future can be predicted. Rather, it is a prediction of the possible outcomes that may occur. To help predict outcomes we use facts, knowledge, and previous experiences (Ott, par. 4). Free will, on the other hand, is caused by a person’s independent decisions, which means that they cannot be predicted