Any suggestions on forecasting using exponential smoothing: accuracy and tracking signal?

06 July 2015 458 3 View

Can we forecast a white noise process?

02 March 2015 4,178 9 View

Forecasting stationary time series?

I am trying to forecast only one step ahead of a stationary time series. I tried auto. Arima available in 'forecast' R package. The results are not good enough. Do you have any idea?

01 February 2015 3,162 10 View

Any reference (paper, journal) for Aroon indicator?

hi all i am looking for any reference (paper/conference/journal) that report use of Aroon indicator introduced by Chande (1995); any help;

10 November 2014 6,198 2 View

Do you know any published study that report that it would be better (for forecasting accuracy) to have ONLY discrete data in Bayesian Network?

hi all, do you know any published study that report that it would be better (for forecasting accuracy) to have ONLY discrete data in Bayesian Network? or, alternatively, continuous data may lead...

08 September 2014 6,421 5 View

What is the appropriate package to use for performing NML using R?

I am trying to apply NML (Normalized Maximum Likelihood) information criterion using R, but I couldn't find the appropriate package.

02 March 2014 8,901 1 View

What is the best "nonlinear information criteria" for a financial time series?

I am working on an optimization algorithm that needs to calculate at each step information criteria between two financial time series. I have tried AICc, BIC, FIC, but I prefer to be able to...

01 February 2014 5,671 1 View

Does anyone have experience with WAIC information criteria using R?

I am trying to write a program in R and I need to calculate WAIC (Watanabe 2013); R packages: MuMIn & AICcmodavg only provide support for (AIC, QAIC, AICc,..) but not WAIC. Any idea?

31 December 2013 7,227 2 View

Computational problem with high dimensional Genetic Programming?

I am currently working on a research where a large number of variables are included in GP function. That is y=f[x(1), x(2), ...,x(i)]; where i>50 and each x(i) is a non-stationary time-series. As...

10 November 2013 1,645 15 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 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

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View