How does one draw a graph that represents correlation between 2 categorical variables e.g( educated=2 uneducated=1), (smoking=2, no smoking=1)?

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InF and NaN in odds ratio?

I am trying to calculate odds ratio in R. The value that is showing up is Inf (NaN, Inf) What is this and how can I interpret it?

01 February 2017 1,779 4 View

How to explain for the differences detected in levels of significance?

I am trying to find out association between risk and disease (education and reporting of NCD) of populations in three different areas (i.e. in spatial context).There are six population groups....

10 November 2016 2,657 4 View

Relative Risk = 0?

What if the Relative Risk value is zero? Does that indicate there is no association between the risk and the disease?

09 October 2016 7,347 6 View

Any literature on Under & Over reporting in self reported morbidity?

I am looking for literature that SPECIFICALLY discusses the issue of under-reporting and over-reporting of diseases in self reported morbidities. If anyone has any literature could you please share?

05 June 2016 10,077 0 View

Lack of expected association?

I am trying to find out if there is any significant association between basic education and treating water at household level between two groups of populations differing in their socio-economic...

04 May 2016 9,593 8 View

Any literature on intra-urban (spatial differences) in reporting of health/health behavior? Preferably India or even Asia. If not then any country?

Intra-urban /spatial differences in health reporting

03 April 2016 7,761 0 View

Does anybody know about any archives (preferably online) on "Health in India" dating back before 1800s?

I want to compare transition of diseases and risk factors in India and the West. I can find innumberable literature about the west but hardly any on India

01 February 2016 1,936 3 View

Do you have special graphical representation to indicate significant levels or you just mention it in the graph (e.g. normal bar graph)?

Graphical representation of significant levels

31 December 2015 8,398 0 View

Is it legal to upload a graphical abstract previously published on your paper's first page to a website such as figshare.com under CC-BY-4.0 license?

Dear friends, does anybody know that is it legal to upload a graphical abstract previously published on your paper's first page to a website such as figshare.com under CC-BY-4.0 license? Thanks.

05 August 2024 7,098 3 View

What is meant by baseline of FTIR data?

I got comment on my FTIR data figure from a reviewer. The reviewer said "FTIR data in Figure should be repeated. there is no bassline." I made Y off set comparison graph of FTIR on OriginLab. Can...

03 August 2024 6,070 3 View

Is the mentioned CV graph a valid one as this graph have only one peak prominent (reduction)?

I have used Prussian blue nanoparticles as a redox couple. The PBNPs have been made using only one salt precursor. Also, during scan rate studies, a small oxidation peak can be consistently found...

31 July 2024 9,697 0 View

Entropy measure and QSPR modeling in Graph Theor. How to construct the table for lengthy equation?

The entropy measured of molecular graphs plays a crucial rule. The network structures in some cases are very lengthy calculations to handle. Some author avoid to construct table where as most...

30 July 2024 3,126 0 View

There is possible way to calculate experimental DOS from the UPS spectrum of the material. How to calculate the DOS from UPS?

Here, I have attached the UPS graph. I'm trying to calculate the DOS/DOVS from the UPS.

29 July 2024 4,971 1 View

Critique Calculaltion in Topological Indices and QSPR Modeling?

The first step is to analyze a 2D molecular graph and implement partitioning techniques to calculate the topological indices. Secondly impose statically tools to generate QSPR model, may or may...

24 July 2024 9,644 1 View

How to do calculation of Louvain methods calculation for excel sheet and and is there any software available?

The Louvain method – named after the University of Louvain where Blondel et al. developed the algorithm – finds communities by optimizing modularity locally for every node’s neighborhood, then...

23 July 2024 6,659 0 View

How to Select the most suitable machine learning algorithm depending on the characteristics of the given dataset ?

I'm working on a project that involves analyzing a new dataset, and I'm at the stage of selecting the most appropriate machine learning algorithm. The dataset consists of both numerical and...

22 July 2024 6,097 7 View

Is there a name for this type of function?

Let n∈ℕ, where the function f:A⊆ℝ𝑛→ℝ, 𝐴 is Borel, and (A,d) is a completely seperable space. What is the name of the functions where the graph of f in any (n+1)-dimensional box of A×ℝ is...

17 July 2024 258 1 View

Why is linearity somewhat lost when plotting the Stern-Volmer (SV) graph?

When preparing a graph of fluorophore intensity vs. analyte concentration, the linearity shows an R² of 0.999. However, when plotting the same data as Fo/F vs. analyte concentration, the linearity...

13 July 2024 7,131 0 View