What are cyber security questions that i can choose for research?

i want to choose a topic for my masters and i'm interested in cyber security but i have no prior knowledge about it. I wanted to know a good starting point for learning cyber security and possible...

31 December 2018 3,778 0 View

WHICH FORECASTING METHOD PERFOMS WELL WITH FEWER DATA OBSERVATIONS?

Which forecasting method between Arima and Exponential smoothing performs better with few data observations?

10 November 2018 1,993 1 View

Why is Pyrren (in python) taking forever to run?

I'm currently building an LM Ann using pyrren but i get this warning sometimes /usr/local/lib/python3.6/dist-packages/pyrenn.py:722: RuntimeWarning: invalid value encountered in multiply G =...

10 November 2018 9,043 0 View

How do i query a database using natural language?

I want to create an app that allows users to query the database using natural language. I understand that i have to do some natural language processing but time is not on my side. I was wondering...

09 October 2018 9,286 3 View

How to measure the accuracy of ARIMA?

I want to compare two forecasting methods using MAPE but i get errors that are above 100% for Arima, so i was wondering if this good or bad. I also want to use the DB test, but the information on...

09 October 2018 8,505 11 View

What is a scientific way of determining if a certain activity is going to happen or not?

I'm currently doing a forecast for users expenditures, but i want to determine if a certain expenditure is going to happen or not before forecasting the amount. What method can i use? I was...

09 October 2018 6,253 5 View

How to improve ANN accuracy for time series?

I'm trying to compare the perfomance of ANN vs ARIMA and Holt-Winters for time series data, but i'm getting a huge error when using ANN to make predictions. I'm using Levenberg-Marquardt...

09 October 2018 1,573 4 View

Different forecasting methods that i can use to predict customers next expenditures?

What are the different forecasting methods that can be used to predict the next expenditures of customers.I have read that different forecasting methods performs best for different spending...

08 September 2018 2,726 3 View

Can i use market basket analysis to analyse an individual's spending?

I want to create a personal financial management app which is able to analyze the history of an individual's spending and extract patterns from this spendings. When the user want to make a...

03 April 2018 5,228 0 View

What ML/AI techniques can i use to analyze Bank statement?

03 April 2018 305 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'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

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

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View