Can we do systematic analysis of diagnostic accuracy study without true positive or negative or prevalence?
Source to get Impact factor of journals
01 March 2021 6,654 2 View
I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...
28 February 2021 2,004 3 View
The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...
28 February 2021 2,955 2 View
I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...
26 February 2021 9,580 4 View
25 February 2021 6,760 1 View
Colleagues, I have been using ANSYS to model concrete strengthened FRP sheets, but less than happy with it. Any has recommendation for efficient, easy to use FE program for modelling concrete...
22 February 2021 7,528 3 View
I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...
17 February 2021 7,402 4 View
Hi, A Fabry Perot Cavity allows to increase the directivity of a low gain antenna by putting in the top of cavity a superstrate with high permittivity such as a ceramic (er=10.2). However,...
09 February 2021 6,799 8 View
07 February 2021 3,635 3 View
Hi, We find a specific distribution of electric fields in structure for different frequencies which can be seen using em solvers and known as modes. I would like to know how we can choose the...
04 February 2021 10,043 3 View
Hello, I am currently using the Malvern Zetasizer software for the purpose of obtaining the size distribution of nanoparticles produced in the lab. When I perform the runs in the software to get...
15 February 2021 4,251 1 View
The goal of regression model is either to minimize the prediction error or to maximize a classification accuracy depending on the type of the model. Is there any optimization algorithm that is...
10 February 2021 4,128 3 View
I am working on gait analysis using a feed-forward NN. When I use data from the accelerometer (3 columns for each axis if stored in a data frame), I get an accuracy of 95%, and when I used data...
07 February 2021 9,654 6 View
Hi all, I am looking for enhancing the accuracy of a deep learning model using some techniques to compress neural networks. Could someone suggest to me some of the tools/techniques,...
29 January 2021 1,781 4 View
In this example giving 400 samples looks like there is an accuracy of 91.5% while training beyond that point, accuracy is getting decreased. Are 400 samples enough to keep for this example? If...
27 January 2021 5,657 3 View
I trained a model from scratch no transfer learning of any kind I got top1 validation accuracy of 45.79 and top5 validation accuracy of 72.39. I did a lot of hyperparameters tuning I have seen...
19 January 2021 6,883 2 View
In use, the weights obtained are considered with the greatest accuracy when the data set is divided, because the weights are initialized at random and the training data is swapped at random...
19 January 2021 5,714 4 View
Is there any manual guide to perform multicollinearity test between environmental (19 Bioclimatic) variables for MaxEnt modelling? Using all variables without removing the correlated one affects...
14 January 2021 3,807 7 View
Hello :) I'am trying to predict churn for the year of 2020 based on historical data from 2014 to 2019 on R Studio. The aim is to predict churn probability for every person. At the beginning...
13 January 2021 5,565 7 View
An optimization is performed using the MATLAB fminseach function. This optimization has a parameter that adjusts the precision, and the larger the value, the wider the search range of solution...
12 January 2021 3,832 1 View