Purchase Solution

Irregular Components in a time series

Not what you're looking for?

Ask Custom Question

Define irregular component in time series and explain the differences between other components as well as its effects.

Purchase this Solution
Solution Summary

Solution provides a definition of irregular components in time series and explains the differences between other components as well as its effects.

Solution Preview

The four components of time series are
1. Secular Trend
2 .Periodic change
i) Seasonal variations ii) Cyclic variations
3) Random or Irregular Movements

secular trend : by this we mean the general tendency of data to increase or decrease during long period of time .For example we always see upward trend in population ...

Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

View More Free Quizzes
Related BrainMass Solutions

  • Four components of a time series

    189924 Four components of a time series Four components of a time series are secular trend, cyclic variation, seasonal variation and irregular variation (Lind, 2005).

  • Components of a Time Series

    189573 Components of a Time Series Four components of a time series are secular trend, cyclical variation, seasonal variation, and irregular variation (Lind, 2005).

  • Components of a Time Series - Theory

    189916 Components of a Time Series - Theory Four components of a time series are secular trend, cyclical variation, seasonal variation and irregular variation (Lind, 2005).

  • Multiple regression analysis

    The four components of time series are: 1.Secular trend 2.Seasonal variation 3.Cyclical variation 4.Irregular variation Secular trend : The general tendency of a time series to increase or to decrease or to remain stable over a long period of

  • Multiple Choice Questions : Time Series Analysis

    d. reflect a shift in the series over time. 4. Short-term, unanticipated, and nonrecurring factors in a time series provide the random variability known as a. uncertainty. b. the forecast error. c. the residuals.

  • Define regression, time series plot, calculators to use

    364940 Define regression, time series plot, calculators to use 1. Define regression in your own words. 2. Define a time series plot your own words. 3. What are the four components of time series plots? 4.

  • Time Series Analysis: MCQs & Short Problems

    Answer Trend Seasonal Cyclical Irregular Question 4 _________ component of time series refers to the erratic time-series movement that follow no recognizable or regular pattern.

  • AirPassengers time series analysis with R

    The data are available as a time series in R under the variable AP. Do an exhaustive analysis of the data and give the R code used for each step: Describe the trend, seasonality, and irregular components of the time series. Plot the ACF and PACF.

  • Time Series and Forecasting

    Of the four components of a time series secular trend represents the long-term direction of the series. Study of secular trend models relies heavily on cause and effect relationships between variables in order to ensure predictions.

View More Related Solutions