Does PFA transcardial perfusion artefactually stretch the rodent heart?

Hi everyone I'm comparing aorta/ventricle wall thickness of mouse. Perfusion was done to minimise auto fluorescence during confocal IF. Question is whether transcardial perfusion artefactually...

28 October 2020 8,059 2 View

Can features from a feature selection algorithm based on classification be used for regression?

I am working on a regression task where I am trying to predict future values of a stock/resource. At the moment, my model uses a large set of lags as input features and I want to use feature...

31 August 2020 2,409 3 View

How do you check your Generalized Linear Mixed Models?

Forgive the lack of a reproducible example in this question, as my problem stems from analysing a large (>50000 rows) dataset. I want to ask a question about generalised linear mixed effects...

13 February 2020 5,437 4 View

Is segmented beta regression possible in R?

Hi, I'm trying to apply segmented regression to a response variable that is bounded by 0 and 1, however I am struggling to interpret the error I have encountered. Reproducible example in R: data1

27 November 2019 3,133 12 View

Best source for a data set of sovereign risk-free rates and sovereign credit ratings?

i would like to construct a data set of/ containing a) sovereign (country) risk-free rates - likely repo rates - and b) sovereign credit ratings - the credit rating of the particular country i...

23 September 2019 2,209 3 View

Mixing Stakeholders in Focus Groups, getting genuine feedback?

Hi all, Have to run some focus groups across a very diverse (government, industry and academia) and sometimes contentious collaborative project. The objective is to find out what each different...

19 August 2019 8,544 8 View

Is there a researcher who would like to co-write a paper on multi-age v same-age organisation in secondary schools?

My expertise (ex Head) is in vertical or multi-age organisation in secondary schools (called vertical tutoring). I have drafted a paper about schools as learning organisations which proposes that...

28 May 2019 3,751 7 View

Action Research Project in Management: How long??

Hello all, I am undertaking an action research project with a thesis as an output. Domain and topic are defined and I have been collecting data points and observations for a number of years, in...

16 January 2019 153 4 View

Interested in collaboration on entrepreneurship/ innovation research?

Hi, I have a number of topics in entrepreneurship/ innovation that I seek collaboration on. The topics are currently listed under my preprints, and can be found there. The literature reviews are...

26 February 2018 7,904 3 View

How are teachers in major urban centres in Canada, such as BC's lower mainland, adjusting to the influx of Syrian refugees in classrooms?

24 February 2017 1,977 1 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

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

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View