Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How do you integrate undergads into research?

I'm passionate about mentoring undergrads into the research process--not just collecting data, lit review, but also analysis. How do others go about working with undergrads in research? How do you...

30 November 2020 3,138 6 View

In Ansys HFSS, how do I replace all instances of a Local Variable within a Design with another variable?

I have created a fairly complex antenna that has a parameterized wire radius (wire_r), however I would like to change the name of the variable to better reflect its purpose (e.g. wire_r_cu). Since...

04 November 2020 7,168 1 View

In Ansys HFSS, is there a method of creating an oscillating (AC) magnetic bias, without resonant peaks, within a non-magnetic substrate, e.g. Air?

A loop sniffer probe antenna for HF/UHF is being developed and we'd like to apply a known, constant across frequency AC B-Field source to the region within the substrate where the probe exists (in...

01 November 2020 5,717 3 View

Is it advisable to dichotomize an independent variable measured using a Likert scale?

I am working on a research project to identify the relationship between sexual esteem and sadistic behavior. Both of my independent and dependent variable have been measured using standard...

16 April 2020 7,062 4 View

Survey Data Anlysis/Testing Support - any help?

Hi - hoping someone might be able to help me please? I've had to totally change my MSc project as a result of COVID and as I can no longer do face to face testing, I have created a survey and...

14 April 2020 6,292 9 View

How to preserve endogenous GFP/RFP during IHC?

I have a dual reporter mouse that expresses RFP and GFP under two promoters. I would like to also do IHC on this tissue but the antigen retrieval step (heat) denatures the GFP. Moreover, if I skip...

11 December 2019 403 3 View

Good example of building communication theory using research data?

A colleague and I are working on developing a communication theory. This of course synthesizes prior literature, but we also have survey data we gathered to help us "make the case" for how the...

06 October 2019 1,048 1 View

Can an euryhaline seahorse, such as H. kuda, be selectively bred to tolerate freshwater? Can Aquarium Salt vs. Marine Salt satisfy their saline needs?

I've been researching strategies for the humane genetic engineering of a freshwater seahorse for some time now. I've found some research into developing an artificially convergently evolved...

01 June 2019 2,518 3 View

How do I culture more CD11c+ BMDC from mice?

Hello, I am new to harvesting BMDC and my most recent experiment had 45% CD11c+ cells that were viable (also many dead cells, only 20-30% viable). I followed the method from Madaan A, et al....

18 July 2018 5,653 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

Can anyone help with an Accurate Diffuser Expansion Loss formula for rectangular shaped diffusers in turbulent flow regime?

I have tried Idelchik's Handbook of Hydraulic Resistance 4th Edition (2007 page 300) formulas and across some range the formulas are reported valid for, the law of conservation of energy is...

20 February 2021 2,504 1 View

Any information about dinitrosalisylic acid reagent end point color stability ?

I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...

17 February 2021 7,402 4 View

Negative result on natural product sample cholinergic assay?

i have been doing cholinergic assay on natural product and for some of the samples, i get negative value for the inhibition activity. can anyone help me explain the meaning of the negative value...

17 February 2021 4,118 1 View