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IrishStat
  • Member for 11 years, 4 months
  • Last seen this week
  • Warminster, PA, United States
5 votes
Accepted

How to model timeseries with unequally-spaced seasonality interval

1 vote

How to analyze time series data and mark if single data is seasonal or not seasonal

0 votes

Bootstrapping with quantiles of data instead of SD*z?

1 vote

p/q/d from ACF and PACF

0 votes
Accepted

What to do with time series model, if residuals are autocorrelated for a certain lag?

5 votes
Accepted

What common forecasting models can be seen as special cases of ARIMA models?

1 vote
Accepted

Outlier detection in seasonal time series via forecasting with ARIMA model

5 votes

How to correct outliers once detected for time series data forecasting?

120 votes
Accepted

When (and why) should you take the log of a distribution (of numbers)?

0 votes

Why difference a time series for forecasting?

0 votes

How to predict the standard deviation that is changing over time?

2 votes
Accepted

ARIMA model has trouble forecasting next month

3 votes
Accepted

How to interpret the constant for an ARMA model

1 vote
Accepted

Transform a non-stationary time series to perform ARIMA

1 vote

Could adding more history (expanding the training sample) reduce forecast accuracy?

1 vote
Accepted

What model should one use for this short time series?

3 votes

How do I incorporate an innovative outlier at observation 48 in my ARIMA model?

1 vote

Multivariate ARIMA with regression

1 vote
Accepted

Forecasting/predicting total sum of donations (following GLM with poisson family and log link)

5 votes

auto.arima warns NaNs produced on std error

0 votes

Detect trend in time series

3 votes
Accepted

Dealing with large time series gaps

1 vote

Variance stabilizing transformation for time series

0 votes

Why SARIMA has better accuracy on weekly dataset than on daily one?

2 votes

getting Significant seasonality on a straight line

2 votes

How does taking the log of the variable solve our problem of heteroscedasticity?

0 votes

Write ARIMA equation l from arima with drift output inR

1 vote
Accepted

How would a select an ARIMA model based on the ACF and PACF?

0 votes

Detecting if weekday has influence on data - is using F-test correct method?

1 vote

Time Series Modelling problems resources

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