Statistical Techniques

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Questions related to Statistical Techniques

What is the best statistical technique to analyse and summarize data related to challenges and response strategies based on likert scale ranking?

I've carried out a questionnaire, where participants had to rate on a likert scale 1-5 a list of response strategies with respect to their ability addressing a certain issue. In total there are...

01 January 2017 8,081 3 View

Which principal component I should consider in the analysis of FTIR data submitted to PCA statistical technique?

I'm evaluating the ability of FT-IR spectroscopy associated to principal component analysis (PCA) to discriminate FTIR data collected from two experimental groups. For this, I'm extracting...

14 July 2016 6,058 2 View

Can anybody suggest me any method by which we can rank the coefficients obtained from OLS regression?

For eg. I have obtained three coefficient values from my OLS regression 0.85, 0.75, 0.63. Now I have to rank them in order of their magnitude. So is there any statistical technique for doing...

07 July 2016 2,488 6 View

Which principal component I should consider in the analysis of FTIR data submitted to PCA statistical technique?

I'm evaluating the ability of FT-IR spectroscopy associated to principal component analysis (PCA) to discriminate FTIR data collected from two experimental groups. For this, I'm extracting...

07 July 2016 9,556 2 View

What statistical technique would be appropriate to analyse a summated Likert scale data collected in a pre- and post-intervention study?

n=m=307

05 May 2016 3,747 0 View

I need algorithms about inverse distribution transform?

the algorithms i need should be applied by using statistical techniques

05 May 2016 1,548 0 View

What statistical technique I use and how I use it to analyze a comparison between a native strain and control strain for the solubilization ofcopper?

evaluated the bioleaching of a native strain compared with a control strain, have variables (cell concentration,% solubilization of copper, time) and the taking of the data is that starting from a...

14 April 2016 8,674 1 View

Is there a way to estimate the length of each period or seasonality in a time series in real-time?

Is there a way to estimate the length of each period or seasonality in a time series in real-time? This is useful for adaptive and online time-series processing (streaming) where the entire data...

04 April 2016 9,871 2 View

What statistical test can be used to compare two different species?

I have three species of insect belonging to same genus. I have taken the different parameter such as length, width, height, etc. of each species. Replication for each species is 10. Please suggest...

04 April 2016 8,198 6 View

What statistical technique I use and how I use it to analyze a comparison between a native strain and control strain for the solubilization ofcopper?

evaluated the bioleaching of a native strain compared with a control strain, have variables (cell concentration,% solubilization of copper, time) and the taking of the data is that starting from a...

04 April 2016 8,685 1 View

What is the use of T-test and F-test (Statistical significance) in Genetic Algorithms ?

I don't understand the main objective to use these statistical techniques and how with they could compares an algorithm with other.

04 April 2016 7,102 2 View

Is there a transformation similar to area under the curve that can be done on 'between subjects' data?

I have gene expression data collected from different animals 1, 3, 9, and 24 hours after drug administration. I also have vehicle-injected animal values 1, 3, 9, 24 hours later. Plotting these...

03 March 2016 9,130 3 View

What is data science?

Dear Colleague: Your contribution will be much appreciated. Thanks in advance !! Best regards, Shafagat Science Information section of informatics, studies analyzing the problem, processing and...

02 February 2016 8,901 55 View

Which program do you suggest for the estimation of the 2nd generation panel unit root tests?

2nd generation panel unit root tests

21 January 2016 5,593 16 View

Is there any tool to automatically divide a sample of subjects into two groups that are comparable in some desired variables?

It turns out to be very tedious form groups of subjects which are comparable on a set of variables, and not on other variables. It would be desirable and useful if there is any tool that can...

19 January 2016 9,935 4 View

Which program do you suggest for the estimation of the 2nd generation panel unit root tests?

2nd generation panel unit root tests

01 January 2016 2,631 14 View

Is there any tool to automatically divide a sample of subjects into two groups that are comparable in some desired variables?

It turns out to be very tedious form groups of subjects which are comparable on a set of variables, and not on other variables. It would be desirable and useful if there is any tool that can...

01 January 2016 2,088 4 View

What is the alternative for post hoc in case of Barnard’s exact test?

I have 3 comparison groups and categorical variable with 7 levels ("Unemployed", "Usual work" and so on). For some cells number of observations are less than 5, hence, I cannot use Chi-square with...

01 January 2016 8,304 1 View

Does anyone know universities, research institutes or groups with strong research in language policy?

I am interested in going abroad with a scholarship to a university where they do research into language policy, preferably regarding the African continent. I think this topic is possibly...

11 November 2015 3,082 2 View

Which non parametric statistical method should I use?

I have three treatment group and an inventory that consists of three subscale. There are 16 students in each groups (totally 48 students). I implemented three different techniques for treatment...

11 November 2015 8,867 7 View

What's your favourite layman's explanation for a difficult statistical concept?

When I try to get my head around complex concepts I find they generally stick better when they're explained as an analogy or anecdote. As I am getting deeper into various statistical techniques, I...

11 November 2015 401 3 View

What kind of measurement scales can I use in a questionnaire, when the statistical technique is PLS?

In my research model the independent variables have questions Likert scale , while the dependent variables are dichotomous questions; with PLS Can I combine these types of questions?

31 October 2015 3,360 2 View

What kind of measurement scales can I use in a questionnaire, when the statistical technique is PLS?

In my research model the independent variables have questions Likert scale , while the dependent variables are dichotomous questions; with PLS Can I combine these types of questions?

10 October 2015 9,738 3 View

Which statistical technique is superior over the other in Structural Equation Modeling?

I have multiple mediators model. I need a thorough guidance on whether I should use bootstrapping or Phantom model approach in AMOS to test the mediation of five mediators and test their...

10 October 2015 8,589 6 View

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