I was faced with the task of choosing Already from Already from the the a data set that would be able to clearly demonstrate the features of the time series. I decided to use statistics on passenger traffic on international airlines because this data set is very clear and has become a kind of standard (time series data library. Rj hyndman). The series describes the number of international airline passengers per month (in thousands) for the period 1949-1960
Before importing data into the file. You need germany phone number list to add a date column. So that the values are time-bound. And a column with the series name for each observation. Below you can see what my original file looks like. Which I imported using the import wizard directly from the time series analysis tool.
business analytics
Time series
The first thing we usually do with a time series is to plot it on a chart. Prognoz platform allows you to plot a chart by simply dragging and dropping the series into your workbook.
Time series on a chart
The symbol ‘m’ at the end of the series name means that the series has monthly dynamics (the interval between observations is one month).
Trend – on our chart this is a long-term track the performance of each qr code growth of the observed values. It is clear that the trend is almost linear.
Seasonality – on a chart. These are periodic fluctuations in a value.
In the next article on time series. We will learn how to calculate the period.
Our series is quite “Neat”. However. There are often series. Which. In addition to the two characteristics described above. Demonstrate another one – the presence of “Noise”. I.E. Random
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