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Correlation of water quality variables

A Time Series Model Comparison for Monitoring and Forecasting Water Quality Variables

A Time Series Model Comparison for Monitoring and Forecasting Water Quality Variables

... of water quality variables, namely: regression models (linear and nonlinear) and time series models, as well as data analysis techniques, such as correlation analysis, multivariate statistical ...

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Application of Artificial Neural Networks for the Prediction of Water Quality Variables in the Nile Delta

Application of Artificial Neural Networks for the Prediction of Water Quality Variables in the Nile Delta

... The quality of a water body is usually characterized by sets of physical, chemical, and biological parameters, which are mutually ...(DRI). Correlation patterns may be found between water ...

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Correlation Analysis of Irrigation Water Quality Data in Huraimla governorate, Saudi Arabia

Correlation Analysis of Irrigation Water Quality Data in Huraimla governorate, Saudi Arabia

... drinking water quality analysis was applied according to standards by the local laboratory in studied area, which belongs to Ministry of ...different water quality ...different water ...

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Assessment and Correlation Analysis of Water Quality Parameters: A case Study of Surma River at Sylhet Division, Bangladesh

Assessment and Correlation Analysis of Water Quality Parameters: A case Study of Surma River at Sylhet Division, Bangladesh

... river water quality. The water quality of water resources is a subject of ongoing concern and assessment of long-term water quality changes is a challenging problem ...

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Limnological variables and their correlation with water flow in fishponds

Limnological variables and their correlation with water flow in fishponds

... Limnological variables and their correlation with water flow in ...of water flow on the physical, chemical and biological characteristics of fishs, an intensive sampling was carried out in two ...

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Within-field variations in sugar beet yield and quality and their correlation with environmental variables in the East of England

Within-field variations in sugar beet yield and quality and their correlation with environmental variables in the East of England

... It is therefore clear that mapping the spatial variability in sugar beet yield and identifying the main associated environmental variables highlights an incentive for farmers to manage sugar beet fields more ...

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Effect of Green Roof Configuration and Hydrological Variables on Runoff Water Quantity and Quality

Effect of Green Roof Configuration and Hydrological Variables on Runoff Water Quantity and Quality

... on Water Retention Efficiency Multiple linear regressions were carried out to identify statistically significant rainfall variables correlating with the runoff retention ...independent variables ...

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Correlation Study and Regression Analysis of Water Quality Assessment of Nagpur City, India

Correlation Study and Regression Analysis of Water Quality Assessment of Nagpur City, India

... between variables which shows that one variable actually causes changes in another ...drinking water in different source at four fields (i.e, Khaparkheda Water Supply, Koradi Gram Panchayat, Koradi ...

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“Correlation Study for Assessment of Water Quality and Its Parameters of Par River Valsad, Gujarat, India”

“Correlation Study for Assessment of Water Quality and Its Parameters of Par River Valsad, Gujarat, India”

... work water samples are collected from eight different location of Par river in Valsad city from August 2014 to January 2014 on monthly basis for assessment of water quality for monsoon and post ...

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Linking Benthic Macroinvertebrates and Physicochemical Variables for Water Quality Assessment in Lower Dongnai River System, Vietnam

Linking Benthic Macroinvertebrates and Physicochemical Variables for Water Quality Assessment in Lower Dongnai River System, Vietnam

... for water quality ...environmental variables were compared with ecological indices, based on benthic ...macroinvertebrates. Correlation analyses showed significant ...ecological quality ...

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Correlation Analysis of Impact of Natural Parameters on Water Quality of the River Danube Near Novi Sad for the Period

Correlation Analysis of Impact of Natural Parameters on Water Quality of the River Danube Near Novi Sad for the Period

... two variables has to be positive in all cases (Wilks, ...fo correlation analysis When it comes to pH parameter, the values of coef- ficients indicate that there is the correlation between this ...

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The Entire Catchment and Site Buffer Radii Landscape Variables, Urban Land Use as Predictors of Water Quality Variation

The Entire Catchment and Site Buffer Radii Landscape Variables, Urban Land Use as Predictors of Water Quality Variation

... on water quality of Kinta ...predictor variables specifically forested land, agricultural land, developed area, water body and mine area were extracted from entire catchment and buffer zone ...

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Correlation in Random Variables

Correlation in Random Variables

... Linear Estimation The task is to construct a rule for the prediction ˆ Y of Y based on an observation of X. If the random variables are correlated then this should yield a better result, on the average, than just ...

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Correlation Analysis of Dust Concentration and Water Quality Indicators

Correlation Analysis of Dust Concentration and Water Quality Indicators

... important water quality parameters including turbidity, EC, TDS, temperature and PH affected by dust phenomenon and determine their violations of domestic and international ...

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Prediction of suspended sediment concentration from water quality variables

Prediction of suspended sediment concentration from water quality variables

... (1.19 km 2 ) rural catchment in southern Brazil, and evalu- ated two calibration methods by comparing the estimates of SSC obtained from the calibrated turbidity readings with direct measurements obtained using a ...

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Testing normality of latent variables in the polychoric correlation

Testing normality of latent variables in the polychoric correlation

... These theorems ensure a suitable meaning of a test statistic based on the manifest variables only. Finally, we have controlled the operationality of the proposed test.The computa- tion of the test statistic ...

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Relationships Between Two Variables: Scatterplots and Correlation

Relationships Between Two Variables: Scatterplots and Correlation

... • Two variables have a negative association if observations having large values for one variable tend to have small values for the other variableB. • The scatterplot for such negatively [r] ...

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Evaluating variables of patient experience and the correlation with design

Evaluating variables of patient experience and the correlation with design

... the variables of patient experience by analyzing recent and relevant evidence and to identify design solutions within the hospital environment that positively impact those ...identify variables that ...

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Quality of life and correlation with clinical and radiographic variables in patients with ankylosing spondylitis: a retrospective case series study

Quality of life and correlation with clinical and radiographic variables in patients with ankylosing spondylitis: a retrospective case series study

... Clinical variables made the most contribu- tion to PF after correction for other factors, adding an additional ...identify variables associated with physical function subscale of SF-36 and reported that ...

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On rank correlation measures for non-continuous random variables

On rank correlation measures for non-continuous random variables

... 6. Discussion In this paper, we obtained generalizations for Kendall’s tau and Spearman’s rho for arbitrary random variables. These depend on the corresponding standard extension copula but also on the marginal ...

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