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

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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 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