How to request information from different entities?

Hi, If I need to request information from an organization, for instance, in my case I need to request a "school policies handbook" from different private schools. What is the norm, 1- Shall I...

12 October 2019 6,956 3 View

I have a data vector acquired in wavenumbers, now how can I convert it to wavelength in MATLAB?

Despite applying the formula do I need to take care of anything else?

08 October 2018 1,755 2 View

I am extracting RNA from aphids using Trizol reagent, but unfortunately not getting right or any band on gel What should i do now?

Sample: Aphids Reagents: Trizol reagent,chloroform, isopropanol, 75% ethanol, resuspended in autoclaved distilled water.

19 February 2018 3,869 2 View

KNN Classification problem. Why the test result is always the first label of training sample?

Hello everyone I've a training set of 17 observations. The dimensions of training and testing data are X= 17x7660 (features, each row is feats from each obs) Y= 17 x 1 (label for each row)...

02 November 2016 1,057 7 View

Could anyone help in identification?

Could anyone help identify this plant growing in Madhya Pradesh? It is an herbaceous sciophyte growing under trees like Madhuca indica. Flowers during July and have 4 florets in entire plant which...

26 July 2016 4,356 11 View

Is it mandatory to show three way interactions while doing step wise regression?

This question is for a model having two moderators and an independent variable.

26 May 2016 408 9 View

How to find difference of entropy at different scales of an image?

Hello, Finding the entropy of an image at each pixel can be done using moving window. If an image is downsampled, how to find the difference of entropy among original and downsampled version of...

08 May 2016 3,942 5 View

Can a PLS-DA model result in values of specificity and sensitivity which do not match the data in the confusion matrix or table?

In the diagonal the number of correctly classified samples are equal to the total number of samples in that particular class but the sensitivity doesn't appear to be 1.000

02 May 2016 1,622 2 View

Any bioinformatics tool/method to identify plasmid sequences from bacterial whole genome data?

14 September 2015 7,616 13 View

Can anyone help me understand Deep Learning Classifiers..?

I'm new to classifiers, altogether. I want to learn in context to Matlab.. I'll be grateful is sb could be of help.

24 September 2014 5,565 11 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

What does Servant Leadership mean today and in the future? What are the advantages and disadvantages?

In current time of many changes in business and world of work, a lot is said and reported about the importance, skills and benefits of leadership. Are soft skills becoming more and more important?...

02 March 2021 8,149 3 View

What role should journals play in leading academic fields?

A recent paper by Yeung and Thomas (2021) on journals in event management opens up an interesting debate on the role of journals as academic fora. They demonstrate that event management publishing...

28 February 2021 3,494 6 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

How to interpret this FTIR spectrum of pyrolyzed hydrochar?

20 February 2021 2,840 3 View

No title

The regenerated cellulose film was prepared by zinc chloride/H2O system. The zinc chloride had been washed away in the regeneration process, and the wet film which was not dried had uniform...

18 February 2021 9,538 1 View

How do I plot Pressure against crank angle degree in Fluent?

18 February 2021 8,390 3 View