Question: words: time course VS time series
2
gravatar for pengchy
5.4 years ago by
pengchy430
China/Beijing
pengchy430 wrote:

Recently, I searching paper about time series or time course, I found that these two words equally used by researchers. However, time series seems used more wider. wikipedia also use time series (https://en.wikipedia.org/wiki/Time_series). What the difference between these two phrases? Is there any specific context that one phrases more frequently used?

Best,

Pengcheng

time course time series • 7.0k views
ADD COMMENTlink modified 5.3 years ago by biocyberman810 • written 5.4 years ago by pengchy430
4
gravatar for biocyberman
5.3 years ago by
biocyberman810
Denmark
biocyberman810 wrote:

@Jean-Karim may be clear enough, but let me try giving more details. I got confused about these terms sometimes as well. Le's check dictionary first. The relevant definition are:

course
/kɔːs/
noun
noun: course; plural noun: courses
1. the route or direction followed by a ship, aircraft, road, or river.

series
/sɪəriːz,-rɪz/
noun
noun: series; plural noun: series; modifier noun: series
1. a number of events, objects, or people of a similar or related kind coming one after another.

So, "time course" means course of the time, like in "course of the road". With out an "experiment" the term "time course" does not have any data and therefore we can't analyze anything. That's why we say "time course experiment". And the results of a time course experiments to be meaningful, they must be series of data points. Otherwise, why do we care doing time course at all? So we get "time course experiment data series". That is too long, let's call "time series data" for short :-)

In other areas of data analysis, weather forecast or stock market for example, they have time series data too. However, the "experiment" is measurements.

With that said, and strictly speaking, "time series data" is not meaningful if you take it literally because there is no "series of time" alone. It must be understood as a shorthand of time course experiment data series.

ADD COMMENTlink modified 15 months ago by Ram32k • written 5.3 years ago by biocyberman810
2
gravatar for Devon Ryan
5.4 years ago by
Devon Ryan98k
Freiburg, Germany
Devon Ryan98k wrote:

They're the same thing. You'll find that there are many words and phrases in English that mean the same thing but happen to be used more in one group than another (e.g., in my original field of study, a "time series analysis" could sometimes be called a "non-stationary analysis").

ADD COMMENTlink written 5.4 years ago by Devon Ryan98k
4
gravatar for Jean-Karim Heriche
5.4 years ago by
EMBL Heidelberg, Germany
Jean-Karim Heriche24k wrote:

Time course refers to the evolution of a measurement over time. Time series refers to data that form a sequence ordered in time. Therefore, you do a time course experiment and you analyze time series.

ADD COMMENTlink written 5.4 years ago by Jean-Karim Heriche24k
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