Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 3 View

Normality test among or within groups?

I want to check if my data are normally distributed, in order to decide if performing either a parametric (ANOVA) or non parametric test to check differencies among means. 1) Should I test the...

13 August 2020 3,861 3 View

Normality test on SIGMAPLOT?

I am trying to analyse some data, doing before a normality test to evaluate the distribution of my data. Some of the treatment didn't have passed the test, even after trying to transform the data,...

11 August 2020 6,364 3 View

Advice to extract high-quality DNA from samples stored on liquid nitrogen?

I have tissue samples that were stored on liquid nitrogen after collection and transferred to a -80 freezer. I tried to extract DNA using the Qiagen blood and tissue kit (which works perfectly for...

23 January 2020 8,437 2 View

What clinical evidence is there for antiglucocorticoids, NMDA antagonists, or calcium channel blockers in the treatment of alcohol withdrawal?

I have seen studies citing effects of antiglucorticoids for example in mitigating cortisol effects and NMDA antagonists in managing glutamate effects in the brain during alcohol withdrawal. Is...

11 December 2019 7,582 3 View

SPSS Logistic Regression - how to correct the classification table?

I am running a multivariate logistic regression to predict the likelihood of individuals voting for the green party, using a survey of european election studies of 2019. My main IV is education...

08 December 2019 9,240 3 View

Can anyone help me with literature on 'perceptions'?

05 December 2015 3,152 12 View

Could anyone help me to know if there are some contribution on spatio-temporal relation between precipitation and potenciometric level (groundwater)?

I am doing my PhD on this topic and I need this information to complete the "state of art", but my access to information is limited, so if some one could help on that I will really appreciate...

09 February 2015 2,803 5 View

Image processing and open source code python

Hello, please can you help me for example: I want to make a python program to detect the movements of a human being using a camera or sensors, but I need an source open source code python, I...

01 January 1970 9,191 1 View

Image processing and open source code

Hi, Please i have a questions: How to connect the Camera Kinect Xbox 360 in the PC windows? and how to access this camera to do python programming, image processing ? Thank you in advance. Cordialy.

01 January 1970 3,387 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

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 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

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

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How UAV or drone can be beneficial to better estimate crop yield?

As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...

01 March 2021 3,468 3 View