How much could knowing the maturity level of an organization contribute to a given process?

The doubt is raised because there are several methodologies to estimate the degree of maturity of certain processes, such as computerization, communication, human resources, among others, and...

03 February 2021 4,753 7 View

Sample Size for Quasi-Experimental Quants using one-tailed t-test?

Hi, sorry I'm stumped. I'm going to do a study on the leadership styles (using the MLQ Form 5X) of minority women administrators in medical schools. How will I calculate the sample size? Thank...

30 January 2021 2,865 4 View

What is the best way of processing very large files in python?

I want to process a very large file, let's say 300 GB, with Python and I'm wondering what is the best way to do it. One limitation is that my algorithm needs the whole file in memory, so a...

15 January 2021 6,691 4 View

Are there any public datasets of consumer complaints about service industries at the European level?

06 January 2021 1,718 2 View

Prediction of novel precursor miRNAs in viral genomes?

Dear, I performed a multi-sequence alignment (MSA) with all the complete genome sequences of SARS-related viruses. I then used RNALalifold from the ViennaRNA package, with default parameters, to...

06 December 2020 1,704 3 View

PLS-SEM generalizability issue?

I'm developing a readiness assessment model regarding contractors' preparedness for a specific activity, in order to do so, a survey study was carried out and the data analyzed with PLS-SEM to...

24 November 2020 399 1 View

How to use a .pdb file as structure template to modeling on Chimera 1.14 ?

Hi, I need to use an own file as a template to modeling on Chimera (using Modeller). When I try to blast my sequence only find the option to query structures available on PDB Web Site. Does...

26 October 2020 2,436 3 View

Can I calculate mean and confidence intervals of d-prime values?

Hi everybody. I ran an experiment on memory and calculated the percentage of hits as usually reported in the literature. However, the reviewer asked me to transform my hits into d-prime values. I...

21 October 2020 3,859 1 View

Due to the increase of antibiotic resistance, Aggregatibacter actinomycetemcomitans is resistant to what antibiotics?

Since resistance to ampicillin, vancomycin, and etc.. is common for A. actinomycetemcomitans, is there any recent updates that A. actinomycetemcomitans can be resistant to a different antibiotic...

30 September 2020 341 3 View

What statistical tool should I use if my method of research is a combination of one expert and group of respondents?

My research is about teachers' competence to programming languages. These teachers will come from two universities in a city. I will conduct a survey much like an exam in which the teachers will...

23 September 2020 465 3 View

How to get the heading of real-time credit card dataset ?

I am working with the Credit card dataset. I am aware of the fact that the Banks and financial institutions do not share the dataset with third-party companies or researchers. I just need to know...

18 February 2021 9,186 3 View

Can we help fellow mathematicians get free ?

https://terrytao.wordpress.com/2021/02/08/a-statement-from-mathematics-department-faculty-at-stanford-and-mit/ Terry Tao blogged about this unfortunate event. Kindly share among Mathematical...

08 February 2021 1,055 3 View

Freeze/Thaw of LS174t cells?

Hello World, I have been working with LS174t. Complete Growth Media- 10% FBS/EMEM. ATCC says to freeze with 5% DMSO/CGM. when I defrost my vials, they are not attaching to flask. vials put into...

01 February 2021 8,723 2 View

Can I use video interview excerpts from others in public domain (YouTube, Vimeo, etc) for my empirical analysis?

Dear community, I am currently writing my master's dissertation. As a part of the method, I have to include views (interview) of experts for the empirical analysis. The problem is I have not...

31 January 2021 3,438 3 View

Is there an alternative to PGLS that considers phylogenetic signal when calculating the estimated value?

I have been working on a study trying to estimate body mass in mammals using a skeletal proxy in R. My dataset has high phylogenetic signal (Pagel's Lambda = 0.9) and I am interested in removing...

26 January 2021 6,997 3 View

Is aligning mitochondrial and nuclear sequences inconsequential?

Probably a silly question but I am a complete novice in molecular biology. I have decided to attempt a phylogenetic analysis. I have managed to create a phylogenetic tree but want to confirm...

19 January 2021 5,895 2 View

How to estimate the standard deviation of the carbom emission of a company producing many different products?

I am aware of the portfolio theory in general but want to know of a journal or author especialized in this issue.

14 January 2021 7,566 2 View

How to I carry out tobit regression on STATA with Simpson index as my dependent variable?

Hello everyone, I am working on the topic; Impact of Income Diversification on the Livelihood of Small Holder Dairy Farmers. One of my objectives is to evaluate the determinants of income...

04 January 2021 1,388 2 View

The effects of financial literacy on stock market participation by individual investors ?

Reasons for low level of market participation and portfolio diversification

29 December 2020 7,768 5 View

In your opinion, what could motivate people to wear masks and do social distancing to stop covid-19?

28 December 2020 5,149 56 View