Maps of african eezs?

Hi Anyone! I need a public domain map of the EEZs of sub-Saharan Africa... any help??? Thanks!

13 January 2021 7,758 5 View

How to solve a non linear system?

Hi everybody, I have a non linear system of 9 equations: F=A(F)F+B(F)g(F) F is a 9x1 vector of the unknowns, A(F) and B(F) are 9x9 matrixes which depend on F ang g(F) is a 9x1 vector which...

12 November 2020 9,972 6 View

Why is 'Scale' considered a spatial continuum, but not a dimension of space?

Consider the books 'Cosmic View; The Universe in 40 Jumps' by Kees Boeke (1957 - the original inspiration for the others), 'Sizing Up the Universe: The Cosmos in Perspective' by Gott, J. Richard...

27 December 2019 1,030 1 View

What ARIMA model is indicated when, after taking first differences, the ACF and PACF both cut off after a significant first lag?

For my dissertation, I am looking at a time series of retail sales and want to identify an ARMA model to fit the data. I have differenced the original data series as it was non-stationary and now...

28 March 2019 3,815 7 View

What are some researchable PHD topics one would consider in digital finance for a finance students?

This for a thesis

05 February 2019 1,254 3 View

Can an unstable atom vibrate?

Is there a physical conceivable situation where a radioactive atom vibrates, and still have enough time to increase his vibration frequency before dacaying?

13 December 2018 8,645 1 View

What is the appropriate statistical method to test a new DNA sequencing method?

Good Day All, I have new molecular-based diagnostic test which focuses on detecting SNPs in a 10 different genes. The DNA diagnostic test is actually probe based so it is looking at relatively...

22 May 2018 6,225 1 View

Scoring the PSSM questionnaire?

I am thinking of using the PSSM as a data source for my Action Research Dissertation. Is there a rubric for scoring the questionnaire? Thanks! Don

06 November 2017 2,411 2 View

How do you work with pseudoislets from cell lines?

10 July 2017 8,603 4 View

Best tissue type for DNA extraction from formalin fixed samples

I am about to attempt to get genomic DNA (for genotyping by sequencing) from frogs that were fixed in formalin and subsequently stored in EtOH, and I was wondering if anyone had recommendations on...

05 March 2017 9,525 1 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to run raise regression in R?

if anybody know how to run raise regression in r, and raise parameter selection, please help me

24 February 2021 8,199 1 View