QTL, recombination frection?

22 February 2021 2,588 2 View

What are the dimensions by which the independent variable (big data) can be measured, Knowing We using the questionnaire instrument?

We have a research project consisting of three variables where big data is the independent variable. Some previous studies showed that Volume, Variety, Velocity and Veracity Are the dimensions...

21 February 2021 8,133 2 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

Can anyone recommend utilizing the plasmid extraction kit for extraction of the circular DNA genome of viruses associated with insect vectors?

Dear Colleagues, I am planning to detect and discover DNA viruses particularly those with a circular genome and transmitted by insect vectors. However, I am confused about selecting the best...

10 January 2021 9,534 4 View

Is there a certain way of making HEPES buffer w/ KCl?

I am trying to switch from NaCl to KCl in my buffer. As soon as I add 4M KCl solution to DI water and HEPES, it precipitates. Would heating the buffer alleviate the problem? Or should i add KCl to...

07 January 2021 1,104 1 View

What are some of the differences between a research article and a review article?

What are some of the differences between a research article and a review article? Thanks in advance for your replies!

29 December 2020 2,066 26 View

For experts in Gaussian 09 for windows?

Dear Friends: 64 bit Gaussian 09 software for windows is more expensive than 32-bit Gaussian 09. In our work, we deal with coordination compounds with about 50 atoms. So, can we use 32-bit...

27 December 2020 2,877 2 View

What Electrolyte Solution should be used for EIS and CV, While material I'm using is Carbon doped Titania as a counter electrode in DSSC?

Hope so, you are all fine, I want to perform EIS and CV of my material Carbon doped Titania as a counter electrode for DSSC, I just want to know what electrolyte solution and in what molar...

25 December 2020 7,095 3 View

How to determine the sample size for ANOVA in GPower?

Hi, I am going to execute an experiment with the four categorical variables (A=2 levels, B=2 levels, C=2 levels, D= 5 levels) and one dependent continuous variable. There are total of 40 groups...

19 December 2020 3,600 4 View

Suggestions for Journals related to Psychology and Computer Science?

I am looking for a journal, related to Psychology and Computer Science. IF < 2.0. If anyone has published some related work, or know any journal. that would be nice.

07 December 2020 1,277 3 View

Is there any good online workshop on advanced DEA models?

OR ANY study material with step by step analysis & its interpretation using the software?

01 January 2021 993 1 View

How to calculate linear optimisation after DEA in Stata?

In Stata, command 'dea' reports efficiency scores but no weights used to value each input. Is it possible to run dea in mata environment and then export the weights of input instead? Or is there...

11 October 2020 7,579 2 View

What should be the measure of effect size for meta-analysis of efficiency-based studies?

I am planning to conduct a meta-analysis on the efficiency of MFIs from existing literature, restricted to DEA/ SFA based studies. However, most DEA/ SFA based meta-analyses (Thiam and Bravo-Ureta...

30 July 2020 4,534 1 View

Which inputs and outputs should I add on my DEA Analysis?

I'm doing research on the performance efficiency of different oil companies in the world. It has come to my attention that many scholars use DEA Analysis to measure it. However, it is not clear...

23 June 2020 3,223 9 View

How to get DEA Solver v.15?

My sample consists of data of 56 data with 10-year data taken annually (total 560 observations). Is it possible to run DEWA with this data for the efficiency test or we have to run DEA for the...

27 April 2020 6,703 2 View

How can I extract input / output contributions for a DEA model in R?

I have an example from Frontier Analyst (attached screenshot), but I cannot find out, how to extract the same data in R (currently, I am using rDEA and Benchmarking packages).

01 February 2020 4,819 1 View

What is the best post DEA methodology to analyse efficiency variations among different firms of a particular industry?

I want to know which methodology I should use to explain variation in efficiency scores calculated among firms using Malmquist productivity index. Also, to know what are the best explanatory...

31 January 2020 937 1 View

Simar and Wilson or Fractional regression in the second stage of DEA?

The question is in the title. Could you give me resons for using one of them in my second stage DEA analysis?

31 December 2019 9,787 3 View

Fractional regression or Double-Bootstrapped Truncated Regression in the second stage of DEA?

Dear all, I used those two types of regression to estimate effects of environment factors on hospital efficiency. However, they gave me opposite results. For instance, in FR percentage of people...

10 November 2019 5,416 3 View

Bootstraping DEA scores and SE?

Dear all, I try to do a research based of DEA using bootsraping techniques in R packages: Bootstraping and DEAr. Does someone know how to calculate SE with 95%CI and how to obraine summaried...

24 October 2019 6,353 3 View