Statistics for non-normally distributed data?

In many studies, it is observed that the geochemical and environmental data do not follow a normal distribution. This may be due to the samples from different populations or origins. The basic...

09 October 2017 9,482 10 View

No title

The real world data (e.g.environmental, geochemical studies), sometimes, do not follow a normal distribution. The data are found to be skewed and statistical analyses yield untrue results. The...

09 October 2017 3,909 20 View

How far the concept of river-linking is justified to reduce the water scarcity problem? What could be the impacts on water environment?

08 September 2017 8,486 13 View

Sample size and testing of statistical hypothesis?

07 August 2017 595 8 View

Squared cosine value of a variable?

07 August 2017 5,940 3 View

Low communality value of a variable?

Communality value is also a deciding factor to include or exclude a variable in the factor analysis. A value of above 0.5 is considered to be ideal. But in a study, it is seen that a variable with...

07 August 2017 3,424 6 View

Data redundancy?

What's the influence of 'data redundancy' in statistical construction? How redundancy can be avoided?

07 August 2017 995 2 View

Factor analysis and principal component analysis?

In statistics, what's the basic difference between factor analysis and principal component analysis?

06 July 2017 4,214 9 View

pH and elevated fluoride concentration?

10 November 2016 5,506 6 View

Determination of groundwater velocity from stable isotope analysis?

10 November 2016 1,564 4 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View