How to create a DocumentTerm matrix?

I'm trying to feed a corpus into a DocumentTermMatrix (dtm) to analyze, but I noticed that dtm doesn't keep all terms (for example, I have terms with parenthesis and semicolons that I would like...

02 November 2017 6,082 1 View

What actions can be taken to stopping predatory journals?

Stopping predatory journals and preventing researchers from submitting to them requires a collaborative effort.

21 September 2017 3,342 14 View

What are the fundamental characteristics of the teaching of physics in engineering careers?

There are pedagogical tendencies to teach applied physics in engineering careers

15 September 2017 9,356 8 View

What are your experiences about research work done by engineering students from the curriculum?

The research work carried out by university students is very important in their training.

05 September 2017 8,736 2 View

Any suggestions on what kind of material can absorb or reflect a 9.2 GhZ radar frequency?

material that can absorb or reflect up to this frequency.

27 January 2016 4,312 3 View

Does anyone know what version of R to run with EBImage package? Are there any other image packages in R?

Any other image processing and analysis package that one may use in R.

27 January 2016 5,229 6 View

Are there any suggestions for creating a nomogram for the prediction of cancer patient survival?

Is there anyone that can give me some suggestions? I normally use Stata for my analyses. Thank you.

02 October 2014 4,062 2 View

Is anyone selling the MS5-DL1 stromal cell line feeder system?

12 August 2014 108 1 View

What are new technologies to design buildings that will give a good answer to climate change?

I am working in a research to study resilient buildings. I would like to know if is possible develop a new technology that gives buildings some resilient property.

08 August 2014 8,867 10 View

Beyond automation, is it possible to apply artificial intelligence to the process of building design?

13 July 2014 5,411 4 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 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

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

What kind of food stuff increase the potentiality of human brain?

There are different kinds of food stuffs which we intake daily according to our requirements. Carbohydrate, protein, fat, mineral, vitamin, water are mainly working for the growth and development...

01 March 2021 831 2 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Can Ethovision store the generated data and video recordings directly to NAS system?

The size of data generated by Ethovision is huge. Having NAS system for data storage seems to be a good option, I am wondering whether Ethovision can directly store the data to the NAS system...

27 February 2021 6,350 2 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View