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

Which book/paper can I study to understand pattern recognition in time series?

I want to look an individual monthly spending the determine patters in their spendings.I will then tell them if a certain activity(financial) is good or bad.

02 March 2018 9,923 4 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 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