What are the suitable statistical test for non-parametric data?

Below are the case: 30 students to answered 4 types of questions : spelling, reading, writing and phonology test. I need to know which instrument is the most correct answered and the most worst...

11 December 2017 7,911 5 View

How to improve classification accuracy on the test data?

Hi everyone, I have some difficulty in improving the accuracy of my image classification using bag of features (SURF + k-means + LIBSVM). My instances only 294 images because of it is derived from...

08 September 2017 3,178 30 View

Multiple regression or hierarchical regression?

Hello everyone, First question: I have 4 instruments for example reading, writing, spelling, and phonology. In each instrument, there are 5 to 6 sub-questions related to the instruments. If I want...

01 February 2017 4,406 8 View

Can we used a trained facial expression of a public data sets and test it on our limited data sets?

facial expression, emotion recognition, machine learning

11 December 2016 7,122 5 View

Can video become an attribute for machine learning training data ?

11 December 2015 9,565 0 View

Would it be possible during a preliminary study we conduct a pilot study at the end?

Hi everyone, I have a question regarding the preliminary study. I've set the preliminary objective as to gather the initial requirement for the proposed model. During my preliminary study, I've...

01 January 1970 2,903 2 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

21 February 2021 7,447 2 View

Can anyone recommend which is the best free questionnaire software please?

Hello, I am looking to send out links to an online survey. My previous research project used a paid for survey software. I am now looking for something that's free but straight forward to...

19 February 2021 5,641 3 View