The sample size determined in MCDM?

Dear Researchers, There are a lot of techniques like AHP, ANP, DANP etc wherein a group of experts are requested to give their opinions. My specific questions are: 1. How is the sample size...

02 August 2019 1,394 3 View

How can I apply SMOTE to text classification using Python?

Hi, I am trying to solve the problem of imbalanced dataset using SMOTE in text classification while using TfidfTransformer and K-fold cross validation. I want to solve this problem by using Python...

19 March 2019 1,406 9 View

Sephedax HL-20 has become a block not powder in the purchase box.. How do I treat it?

chromatography, sephedax.

22 February 2018 2,919 2 View

PX458 transfection in HEK293 cells?

17 October 2016 7,023 6 View

How to simulate encrypted message exchange between two nodes?

26 April 2016 3,711 9 View

What is the difference between software-orinted block ciphers, hardware-orinted block ciphers and software-orinted stream ciphers?

hi , i already know the difference between block and stream, but I mean all of them can be used to encrypt the data thank you in advance.

03 April 2016 8,122 2 View

How to simulate encrypted message exchange between two nodes?

03 April 2016 8,892 10 View

Simulator to test security within sensors?

Hello people,, Any resource or information will help me to keep on Thank you

02 March 2016 7,368 4 View

Difference between the simulation of WSN at the application layer and simulation of WSN at the physical layer?

hello people ,, i want to know what is the difference between the simulation of WSN at the application layer and simulation of WSN at the physical layer.. thank you .

02 March 2016 6,877 2 View

The end to end security in IoT will cover the cryptography by default ?? is there any overlapping between privacy and Identity management term ?

31 December 2015 5,708 5 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 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

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

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