Do you want to collaborate in a worldwide climate change perception study?

The idea is the situation that all nations signed the Paris agreement only the US pulls out. This is the right time to do a comparative study by geographical regions. Instead of a meta-analysis of...

10 November 2017 630 4 View

What is the effect of the New Zealand government goal to plant 1 billion trees on the forestry industry ? What is the effect on climate change?

New Zealand government goal to plant 100 million trees a year - with the goal of planting a billion over 10 years....

09 October 2017 1,584 5 View

Who is the boss of a supply chain manager?

Which is the responsible organization for supply chain management? Who is the boss of a supply chain manager? Why? Who are her collaborators? What are her primary responsibilities and KPIs? What...

08 September 2017 4,249 4 View

What are the trending research topics in forestry?

I need to hold a presentation for forestry stakeholders about the trending forest research topics. While I know what is happening in our Institute, I would like to provide a broder perspective and...

08 September 2017 6,080 25 View

Has your opinion changed about weather anomalies and climate change based on the recent Hurricane events?

Has your opinion changed about weather anomalies and climate change based on the recent Hurricane events? Why or why not? Could you add some clarification?Harvey; Irma; Jose; Katia

08 September 2017 2,438 15 View

Can you link Hurricane Harvey to Global Warming or Climate Change?

08 September 2017 2,223 26 View

Input-output matrix analyzing supply chains from a bird's eye view

I am looking for experience in using input-output matrix for analyzing supply chains from a bird's eye view. I plan to elaborate a regional input-output table from the national one and improve it...

07 August 2017 5,258 2 View

What is the minimum contribution to claim co-authorship ethically? How you define the order of authors in your institute?

There are so many levels to contribute to a study from generating the fundamental research ideas in a group or developing a model to do the experiments, advising or reviewing a paper. What is the...

07 August 2017 7,392 7 View

What is the difference between Value Chain and Supply Chain?

Usually, we use the two expressions as interchangeable synonyms. What would you use in particular situations? Why?

07 August 2017 4,426 2 View

Supercritical extraction economics - Benchmark and collaboration

Scion has a cutting-edge research on extractives from trees. My area of interest is the economics of the different extraction methods, green field investment and bolt-on solution comparisons, and...

06 July 2017 1,064 3 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

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 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

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 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

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 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

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View