Two questions about QCA: how to deal with omitted variables and what is the adequate level of solution coverage?

There are two confusions when i apply QCA in my research. 1. how to deal with omitted variables? To my knowledge, most of QCA papers incorporate about 5 to 7 conditions. Too many conditions...

06 July 2019 5,376 9 View

How to define and measure urban innovation?

could anyone suggest some articles about innovativeness of cities? I am working on a paper about the determinants of urban innovation. however, it seems to be a big question that how to define and...

06 July 2017 2,614 6 View

Can anyone tell me how to test unit root of panel data using R?

i am conducting the panel data analysis with R. i use the package 'urca' and 'tseries" to do the unit root test. the result shows that all of variables are stationary,including the GDP. it is...

07 August 2016 2,562 4 View

Are there any online courses about panel data analysis using R?

I hope to find some online courses about panel data analysis with R. can anyone give me some suggestions?

05 June 2016 7,583 1 View

Where can i download the package QCA 2.1?

04 May 2016 242 4 View

How to use R to conduct spatial panel econometrics?

R is a powerful tool. i want to use R to do spatial panel econometrics. although there is a package named spdep, i am still confused with its application. could someone provide me with useful...

02 March 2016 572 0 View

Could someone recommand me some good review papers about collusion in organizations?

i am reading the works of collusion in organizations. taking Tirole(1986) as a start point, i am try my best to understand the theory of collusion. I wonder if there are any good papers reviewing...

07 August 2015 4,460 5 View

What is the relationship between moral disengagement and rationalization?

when we study the corruption in organization from the social psychology perspective,moral disengagement and rationalization are two key concepts. however, what is their relationship? someone seems...

06 July 2015 9,119 2 View

What are the causes of collusive corruption?

there are many researches working on the causes of corruption. however, there are few works focusing on the collusive corruption, which is a prevalent phenomenon around the world. Could someone...

06 July 2015 2,781 25 View

How do I conduct a confirmatory content analysis?

06 July 2015 1,417 10 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View