What are your suggestions for getting a clear classification for orchids that can be easy for clear orientation?

Many books have been published containing pictures and measurements and nomenclatures for orchids. Looking at those pictures is something that confuse a lot getting you crazy. You can not...

07 October 2020 9,643 3 View

Do you think that there are a lot of mistakes and complications in the new classification of the Orchidaceae family?

A lot of classifications exist in the Orchidaceae family in our days which make the publisher very confused in choosing the name of the orchid. Do you agree, and what do you suggest?

31 December 2019 4,537 4 View

Why does my qPCR look like this?

qPCR assays that previously worked perfectly are not working any more and the results are, in a word, baffling (see picture). The amplification appears to work fine until cycle 30 or 35 and then...

20 November 2019 6,650 1 View

What is the undrained shear strength of soils when w=PL and also when w=LL?

I am doing an undergraduate degree in civil engineering and I am performing a laboratory on the plastic and liquid limits of soils.

04 February 2019 3,409 2 View

Log^10 Skewed Data for ROC analysis and getting Cut Off Points??

So I have a lot of known disease and normal data values from a test I am devising. I have run ROC on the unaltered data and gotten values etc but the data is heavily skewed. Normals sit close to 0...

13 June 2018 2,311 1 View

Do you think that instant milk might cause osteoporosis because of added anti crackers?

A lot of anti crackers contains aluminum which can eliminate the Ca out of the body

15 May 2017 6,232 2 View

Can anyone help me with miRanda miRNA target prediction results for a non-model insect??

I am trying to identify possible microRNA targets in the genome of a non-model insect using miRanda. I have results, but I don't really know what is considered a good score. I'd love to know what...

04 February 2016 8,252 3 View

Does anyone have a copy of the instruction manual for a Lynx EL tissue processor?

I have just bought a second hand one, but with no manual.

25 January 2015 2,433 3 View

Can someone provide any help identifying microRNAs from RNA-seq?

15 December 2014 1,892 4 View

Can Arelquin 3.5 only handle up to a specific number of sequences/haplotypes?

I have an .arp file containing around 22,000 mtDNA sequences, the sequences are 244bp in length. I have been trying to compute 'pairwise FST's' and the 'number of shared haplotypes' but this has...

06 December 2014 2,996 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 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

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View