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

How to intepret the result of htmt() when Assessing Discriminant Validity using Heterotrait-Monotrait Ratio?

05 June 2016 7,287 1 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 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

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View