Statistical Techniques

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Questions related to Statistical Techniques

Can anyone help me to interpret my ANOSIM (Analysis of similarity) R value?

Hello, I have been told by a colleague that interpreting the ANOSIM R value as a measure of importance is not good practice as stats does not necessarily tell you anything about biology. Would I...

10 October 2015 432 4 View

Do I adjust degrees of freedom in a Helmert contrast if there are inhomogenious variances across the sample?

Hi all, I conducted an experimental study with a 3-group between subjects design, where the independent variable is gradually increased between the groups. That is why I want to use helmert...

09 September 2015 8,703 8 View

How can I study the past spending behaviour of a customer in a banking perspective and predict the next purchase category and amount of buy?

In a individual customer level, I want to study spending pattern, commodity on he spent (cloths, grocery, petrol, etc...), amount of purchase, etc. on monthly or daily basis. After studying this,...

09 September 2015 4,838 8 View

What kind of test to use?

I am having two group of people, one group doing well, the other doesn't. We want to decrease the disparities of performance of these two groups after a treatment. How am i able to see if the...

09 September 2015 1,174 3 View

How can I study the past spending behaviour of a customer in a banking perspective and predict the next purchase category and amount of buy?

In a individual customer level, I want to study spending pattern, commodity on he spent (cloths, grocery, petrol, etc...), amount of purchase, etc. on monthly or daily basis. After studying this,...

01 September 2015 7,177 7 View

How do we analyze willlingness to pay from a survey using statistical techniques?

I have done a survey of 2500 people regarding shifting to an advanced mode and I have to apply a statistical technique for calculation of Willingness to pay. I would like to know in detail about...

08 August 2015 6,181 4 View

Can anyone suggest a paper or research related to the use of multivariate statistics (or others quantitative methods) in Learning Styles analysis?

I am researching the links between learning styles and students' preferences related to the areas of knowledge in the undergraduated course of Management. To do so, I am highlighting this links...

07 July 2015 2,265 3 View

Which best statistical technique can be used on a Point reading of a static data in order to analyse the effectiveness of a particular treatment?

Say for example we are trying to evaluate the impact and effectiveness of a particular poverty alleviation programme where no comparison group is available. We are looking at a data that has to be...

29 June 2015 438 5 View

Is there an alternative statistical technique for repeated measures ANOVA by which repeated-measured data can be compared?

Dear, I have a dataset with 3 treatments and 4 replicates per treatment. Each sample was analyzed on CO2 efflux rate 12 times at different sampling time. Therefore, the treatment effects should be...

16 June 2015 8,898 17 View

Where can I find an explanation for the dangers of averaging ranks from different measures?

I have several coworkers who are not statisticians that want to take ranks of measure from a variety of sources and measuring different concepts and average them together to provide an overall...

15 June 2015 6,844 4 View

Is there an alternative statistical technique for repeated measures ANOVA by which repeated-measured data can be compared?

Dear, I have a dataset with 3 treatments and 4 replicates per treatment. Each sample was analyzed on CO2 efflux rate 12 times at different sampling time. Therefore, the treatment effects should be...

06 June 2015 1,126 18 View

Which best statistical technique can be used on a Point reading of a static data in order to analyse the effectiveness of a particular treatment?

Say for example we are trying to evaluate the impact and effectiveness of a particular poverty alleviation programme where no comparison group is available. We are looking at a data that has to be...

06 June 2015 3,371 6 View

Where can I find an explanation for the dangers of averaging ranks from different measures?

I have several coworkers who are not statisticians that want to take ranks of measure from a variety of sources and measuring different concepts and average them together to provide an overall...

06 June 2015 9,309 5 View

What is the best statistical technique in AMOS can be used to measure the impact of multiple mediation (model 6 'serial mediation') ?

Is there anyone who can recommend a good research article which has reported multiple mediation (model 6 'serial mediation') with two meditations variables ?

20 April 2015 7,025 1 View

Which analysis will be suitable for the attached data?

Hello I did an internship in agricultural department of pakistan last year and got this data on cotton yield, Now as a project report, I've to analyse the data, My supervisor has asked me to apply...

04 April 2015 852 3 View

What is the best statistical technique in AMOS can be used to measure the impact of multiple mediation (model 6 'serial mediation') ?

Is there anyone who can recommend a good research article which has reported multiple mediation (model 6 'serial mediation') with two meditations variables ?

04 April 2015 4,985 1 View

How can we select the features from a feature vector using statistical techniques?

04 April 2015 6,074 3 View

While analyzing a pin-on-disc experiment using Taguchi analysis which type of problem has to be considered- static or dynamic?

A pin on disc experiment has been carried out acc to taguchi does. the response(outputs) are coefficient of friction , frictional force. In taguchi analysis , whether this experiment would be a...

22 March 2015 3,639 2 View

Using Kruskall Wallace test on temperature data?

Hi For my dissertation I am looking at air temperature and light intensity effects on water temperature. I have 16000 induvidual pieces of data (temperature logged over 2 months, every 5...

18 March 2015 2,763 2 View

Using Kruskall Wallace test on temperature data?

Hi For my dissertation I am looking at air temperature and light intensity effects on water temperature. I have 16000 induvidual pieces of data (temperature logged over 2 months, every 5...

03 March 2015 6,361 3 View

While analyzing a pin-on-disc experiment using Taguchi analysis which type of problem has to be considered- static or dynamic?

A pin on disc experiment has been carried out acc to taguchi does. the response(outputs) are coefficient of friction , frictional force. In taguchi analysis , whether this experiment would be a...

03 March 2015 1,123 2 View

Can ANN experts advise if there is an algorithm for choosing the number of hidden layers in a time series neural net predictor?

I am in the process of defining and setting a neural network for time series forecasting in demand side load profile forecasting in a rural village microgrid application. I know there are...

03 March 2015 4,154 25 View

Can Inverse Probability weighting help deal with Control and Treated groups that differ at baseline?

t test of the means between the two groups show that they are statistically different Can Inverse Probability Weighting help with this before I run Difference in Difference?

03 March 2015 6,104 2 View

What are best statistical techniques that could be applied to interpret lake water quality variations with regards to change in depth?

Lake depth plays important role for estimation of pollutants concentration at different levels of lake water. I need expert views about the application of statistical tools for relating water...

07 February 2015 7,876 3 View

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