Date: 04/09/2021
Topic: Time Series
Objective: Carry out a workshop on time series with the use of Redatam to strengthen the use of knowledge.
Brief summary of what was exposed in class:
TIME SERIES
A time series is a sequence of data or observations, measured at certain times and arranged chronologically. Visually, it is a curve that evolves over time. A time series is a set of observations about the values that a (quantitative) variable takes over time.
Classification of time series
A series is stationary if the mean and variability hold constant over time- A series is non-stationary if the mean and / or variability change over time.
- Non-stationary series can show changes in variance.
- Non-stationary series can show a trend, that is, that the mean grows or falls over time.
- In addition, they can present seasonal effects, that is, the behavior of the series is similar at certain times newspapers in time.
Personal conclusions
In today's class they learned what a time series is, or chronological, which is a succession of data measured at certain times and arranged chronologically.
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