Hi i want to ask that in order to find out LC 50 (96 hours) of particular toxin for fish. Should we keep the animals with food or without food?

if we expose the fish after acclimatization to particular toxin in order to find out LC 50 (96 hours).Should we keep the fish off feed or with feed for that duration. Some literature show that...

24 February 2021 357 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

How COVID-19 has affected mental health?

The pandemic has led to depression and anxiety and its negative effects shouldn't be ignored. However, it has also led some people to become more resilient! What do you think? Thank you.

21 February 2021 4,733 19 View

Is There are any idea to achieve H NMR signals for swollen compound ??

the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please

16 February 2021 8,801 3 View

Pseudo random number generator in Matlab code ?

i want to implement pseudo random number generator in matlab ...i request to every one if someone have code these PRNG share with me SplitMix Permuted Congruential Generator (PCG) Random...

14 February 2021 6,828 7 View

Please ,How can I correct this kind of error?

27 January 2021 4,815 5 View

What are the standard parameter values of the commonly used classifiers?

What are the standard parameter values of the commonly used classifiers such as Support-vector machine, k-nearest neighbors, Decision tree, Random forest?

06 January 2021 6,940 7 View

How to calculate the band potential of a semiconductor material using energy band gap?

I am looking for methods to calculate the band potential of ZnFe2O4 and Fe2O3.

05 January 2021 6,416 2 View

What Research methodology I will use for Time series data?

I want to conduct a research which is based on time series data ( Suppose, Relation between GDP, Foreign direct investment, Import, Export). Previously I worked with panel dataset and I know the...

31 December 2020 1,207 6 View

PDF of a Book?

Can anyone provide me the PDF for Distributed Energy Resources in Microgrids (Integration, Challenges and Optimization)?It would be really helpful

27 December 2020 8,015 3 View

What is the difference between L1 and L2 regularization in machine learning?

L1 and L2 regularization

28 February 2021 4,187 3 View

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

Why is PVDF splashing and bursting under vacuum ?

I prepared PVDF in a very regular way by dissolving it with stirring at room temperature but when i placed it in vacuum for eliminating the bubbles and trapped gases it started to burst and...

09 January 2021 3,965 3 View

How would you scale intra-day returns to daily returns?

16 December 2020 6,284 3 View

What do you think is the difference between distance learning and regular education?

Which do you think is more effective, distance-learning, or regular training?

23 November 2020 7,162 21 View

Can Molecular Dynamics calculation for protein be done on a regular PC?

I would like to know if it is possible to do MD calculations for protein on a regular PC? If it is possible, then what are some of the software that can be used and if there is anything i need to...

05 September 2020 1,500 6 View

Is Repeated Measure Analysis for a Non-parametric data possible?

I want to do a Repeated Measure Analysis for data for three time points. But I can't do One Way RM ANOVA as the data is non-parametric, as is elucidated by Shapiro WIlk's Test for Normaility and...

02 September 2020 2,764 10 View

While plotting an ROC curve, is there any circumstance where we get an AUC > 1?

Under regular conditions of plotting an ROC curve (in medical research), is there any circumstance where we get an AUC >1? If so, how do we interpret it?

29 August 2020 2,410 3 View

Is there a good text/book on trend analyses?

Dear friends, I am looking for a book/text on trend studies and their statistical analysis. So far I found out that a trend study focuses on the same population with different individuals at...

22 August 2020 9,031 3 View

Could you please share your results of regular RG activities? How do you feel if your score is not increased or downgraded? How can we increase Score?

Could you please share your results of regular RG activities? How do you feel if your score is not increased or downgraded? How can we increase Score?

18 July 2020 2,848 48 View