In solar energy bankabilty studies, is the geometric mean of statistic metrics an acceptable indicator for model overall perfomance?

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Minimize the sum of squared errors between the experimental and predicted data in order to estimate two optimum parameters by using matlab?

In my research work, I want to do the vehicle survival fraction; survival rates were calculated using the log-logistic survival function. In equation two unknown parameters a, and b are obtained...

30 March 2024 2,074 0 View

How to take action against fake or duplicate research journals websites?

these sites are running very efficiently and withdrawing money from young researchers. Please take some necessary actions against them if possible. Most of these sites are operating from...

02 March 2024 1,622 2 View

Is there any method to combine three dimensions of physical activity (PA) i.e. intensity, duration and frequency to make a single PA level?

I am checking if there any systematic differences in physical activity among different income group and education level for my masters’ thesis. The physical activity has been assessed through...

27 February 2024 5,859 2 View

Could anyone explain how to apply anova (statistical analysis) on the triplicate swelling data of hydrogel?

I performed swelling experiments three times for each of five different samples, recording measurements every hour for 24 hours. How do I apply ANOVA to analyze this data?

17 February 2024 7,144 2 View

What is the Equivalent Energy (MJ) of Elemental Sulphur?

What is the equivalent energy of the element Sulphur? with appropriate reference. I need to calculate the energy input from Sulphur fertilizers. Thanks in advance.

05 August 2023 4,731 2 View

How to do Malware execution and analysis on IOT and GPU-based processer devices?

1. Malware execution and analysis on IOT and GPU-based processer devices? in that IOT and GPU both have different processors in that case how same or different kind of malware will impacts, how...

29 July 2023 1,673 1 View

How to get carbon dots dry if it not working with freeze drying? Any other suggestions?

I've tried vacuum concentrator then freeze drying but it turns into brownish color and stuck to the wall but not in powder form.

19 June 2023 6,424 0 View

Can ordered gene lists be used as an input list in Metascape for pathway enrichment analysis?

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16 May 2023 2,575 2 View

Is there anylon term impact of covid-19 pandemic on food consumtion?

Due to this pandemic severe crisis occurred throughout the world. Human hunger indexed has been increased due to this pandemic.

10 April 2023 7,337 1 View

Reasons of delaying winter rainfall and monsoon?

Farmers facing lots of problems due to delaying of rainfall in both seasons rainy season (June to September) and in winter season

17 March 2023 2,084 1 View

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

A new interesting geometry problem. Can you find the measure of angle?

In the isosceles triangle ABC (AC=AB), the angle at the vertex is 20°. Point D is chosen on the side AB such that AD=BC. Find the measure of angle CDB.

23 June 2024 7,541 8 View

Geometrically Derived Formula for Day Length Based on Latitude and Time of Year?

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23 June 2024 9,895 2 View

How do you understand that geometric phases are complex?

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18 June 2024 6,388 4 View

How to analyse category membership changes over time?

I have a longitudinal dataset where I am looking to examine whether individuals change their category membership of a variable (with four categories) over four time points (baseline, 1y, 2y, 3y)....

16 June 2024 9,770 10 View

The problem at hand concerns the application of the "II Lagrange's formula". Would you like to try solving it?

In triangle ABC, the bisector AL₁ is drawn. Points O₁, O₂, O are the centers of the circles circumscribed around triangles ACL₁, ABL₁, ABC, respectively. The radii are denoted as R₁, R₂, R for...

12 June 2024 7,596 1 View

How estimate the standard deviation or the geometric standard deviation from this database.. i have only the geometric mean.?

I need help

11 June 2024 1,279 0 View

Is the "snowball metrics" mathematically well-founded?

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05 June 2024 7,463 0 View

Can the mechanism of time dilation and length contraction of the special relativity be explained?

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05 June 2024 1,591 6 View

A new interesting problem. Would you like to try solving it?

Consider a circle of radius R with center O. Two other circles are internally tangent to this circle and intersect at points A and B. Find the sum of the radii of the other two circles, given...

29 May 2024 9,788 1 View

Dr- Huda Shihab jari

Good Question

Aref Wazwaz

Hi. If the measurement should around certain value then the average is accepted with very small standard deviation. Otherwise, the average is not accepted.

Wa'Il A. Godaymi Al-Tumah

Excellent and very important discussion.

Osamah K.Abdulretha Alsharifi

The geometric mean does not give it an integrated idea because it does not deal with outliers and does not deal with zero

Lamia Mustafa Al-Naama

Interesting query

Ruaa SH Redeiny

Useful discussion