# What are the components of a time series?

The factors that are responsible for bringing about changes in a

**time series**, also called the**components**of**time series**, are as follows: Secular Trends (or General Trends) Seasonal Movements. Cyclical Movements. Irregular Fluctuations.A.

### What do you mean by time series analysis?

**Time Series**is a

**sequence**of well-defined data points measured at consistent

**time**intervals over a period of

**time**.

**Time series analysis**is the use of statistical methods to analyze

**time series**data and extract meaningful statistics and characteristics about the data.

#### What is a time series graph?

A timeplot (sometimes called a**time series graph**) displays values against**time**. They are similar to x-y**graphs**, but while an x-y**graph**can plot a variety of “x” variables (for example, height, weight, age), timeplots can only display**time**on the x-axis. Timeplots are good for showing how data changes over**time**.#### What is a panel data analysis?

**Panel**(**data**)**analysis**is a statistical method, widely used in social science, epidemiology, and econometrics to**analyze**two dimensional (typically cross sectional and longitudinal)**panel data**. The**data**are usually collected over time and over the same individuals and then a regression is run over these two dimensions.#### What is a seasonal time series?

**Seasonality**is always of a fixed and known period. Hence,**seasonal time series**are sometimes called periodic**time series**. A cyclic pattern exists when data exhibit rises and falls that are not of fixed period. The duration of these fluctuations is usually of at least 2 years.

B.

### What is a time series in maths?

Data that is collected over a period of

**time**is called**time series**data. Often, we draw graphs of**time series**data as line graphs that can be used to make predictions and draw conclusions.#### What is the meaning of trend analysis?

A**trend analysis**is an aspect of technical**analysis**that tries to predict the future movement of a stock based on past data.**Trend analysis**is based on the idea that what has happened in the past gives traders an idea of what will happen in the future.#### What is a longitudinal data set?

**Longitudinal data**, sometimes referred to as panel**data**, track the same sample at different points in time. The sample can consist of individuals, households, establishments, and so on. In contrast, repeated cross-sectional**data**, which also provides long-term**data**, gives the same survey to different samples over time.#### What is the qualitative data?

**Data**that approximates or characterizes but does not measure the attributes, characteristics, properties, etc., of a thing or phenomenon.**Qualitative data**describes whereas quantitative**data**defines.

C.

### What is a time series analysis statistics?

**Time series analysis**is a

**statistical**technique that deals with

**time series**data, or trend

**analysis**.

**Time series**data: A set of observations on the values that a variable takes at different times. Cross-sectional data: Data of one or more variables, collected at the same point in

**time**.

#### What is a panel data analysis?

**Panel**(**data**)**analysis**is a statistical method, widely used in social science, epidemiology, and econometrics to**analyze**two dimensional (typically cross sectional and longitudinal)**panel data**. The**data**are usually collected over time and over the same individuals and then a regression is run over these two dimensions.#### What is meant by pooled data?

The convention is to refer to this**data**as either panel**data**or**pooled**cross sectional time series**data**. Panel**Data**. • Panel**data**often refers to a**data**set where the observations are dominated by large numbers of units (i) relative to time periods (t).#### What are the components of a time series?

The factors that are responsible for bringing about changes in a**time series**, also called the**components**of**time series**, are as follows: Secular Trends (or General Trends) Seasonal Movements. Cyclical Movements. Irregular Fluctuations.

Updated: 2nd October 2019