How I can determine fluvial power as an index of fluvial erosion rate?

I am aware that I will need to (1) estimate river slope from digital elevation models (DEMs), (2) determine the discharge from DEM-based drainage areas and precipitation estimates from remotely...

01 February 2020 881 3 View

What are the possible input and output features for the control of quadrotor UAV?

07 July 2017 2,713 3 View

Conversion of physical position (bp) of SNPs to genetic postion (cM)

I have some SNPs data and I want to convert the SNPs physical position in base pairs to their genetic position in centiMorgan. I will appreciate you contributions. Thank you.

07 June 2017 9,295 4 View

What are the disadvantages of using Nitrocellulose paper for Northern Blotting?

Is amino benzoxymethyl paper the best choice?

15 October 2016 1,895 3 View

Can I use a time series dependent variable in a panel regression?

Hi all Can I run a Gmm model with a time series dependent variable? I have a sample of 12 countries and years from 2000 to 2018

03 February 2021 6,491 6 View

SEM for panel data ?

I'm trying to find the effect of smart cities on sustainable development. I collected data for several indicators of smartness of a city for 15 cities over 12 years. seems like panel data (GMM...

12 January 2021 9,914 5 View

Macrostudies using sysGMM?

Dear all, Could you recommend macroeconomic studies (hopefully published in good journals) that use system GMM or Arellano-Bond estimators? Thanks a lot!

10 December 2020 5,130 4 View

GMM with very short time, is three enough?

I first conducted a fixed effect model using xtreg y x, fe and I found that all the variables are significant and R-squared is .51. So I thought that maybe I should use two step system GMM to...

07 October 2020 5,386 3 View

Exactly same results of OLS ,2SLS and GMM model?

I run OLS regression on panel data in Eviews and then 2SLS and GMM regression. I introduced all the independent variables of OLS as instrumental variables. I am getting exacty same results under...

05 April 2020 4,683 1 View

Why do researchers use GMM-UBM instead of SVM as a classifier?

The Gaussian Mixture Model with Universal Background Model (GMM-UBM) takes individual class training data to train the GMM and uses all training data or different dataset to build the UBM. In this...

03 March 2020 260 3 View

Should we collapse instruments in large samples?

Collapsing instruments in a system GMM model is useful in treating the problem of instrument proliferation. However, the instructions given to xtabond2 of Stata suggest that "In large samples,...

11 January 2020 4,738 3 View

Should insignificant IVs be reported in GMM?

While analyzing a linear relation, GMM produces insignificant results for the main IV in a quadratic regression model. Though the signs of the coefficients' are valid, the results are...

10 November 2019 399 5 View

What are the relevant data and model diagnoatic tests fof System GMM?

The conventional test for the system GMM is 1) testing for instrument validity and 2) test for second order serial autocorrelation. Are there pre-estimation tests that may be relevant i.e...

09 October 2019 9,938 6 View

Does Gaussian Mixture model assume data to follow multivariate normal distribution ?

I have a dataset and trying to apply soft clustering, preferably Multivariate Gaussian Mixture model, but I have following doubts : 1. Does Multivariate GMM assume the underlying data to follow...

30 July 2019 6,266 4 View