to difference
- verb
- /ˈdɪfərəns/
- Specialized
- In general, a time series of data is said to be integrated of order d if it must be differenced d times to make the series stationary.
- difference the time series
- first-differenced
Examples
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The empirical evidence reveals that differenced and lagged difference levels of the dependency ratio have a positive impact on per capita GDP in the short run.
Academic text (2018) -
I challenge you to give us a plot of differenced data from CO2 measurements compared to your extrapolation.
Blog text (9) -
Each series itself is nonstationary and must be differenced d times and b times, respectively, to achieve stationarity. However, there may be a linear transformation of the two original series.
Academic text (1993) -
If the coefficient of "differenced-Y-lagged" is equal to unity, there is a "unit root," which indicates that the apparent trend may be a random walk with drift.
Blog text (9) -
The two LIDAR DEMs were differenced in ArcGIS (v. 10.2) to measure change between June and October 2016.
Academic text (2018) -
We can difference the two datasets to identify any changes over time.
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In our analysis, we will difference the series to remove seasonal effects.
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To understand the trend better, we need to difference the values from last year.
Synonyms
To take one number away from another
Antonyms
- Specialized
The way we see objects as the same even when light, distance, or position change
Idioms
- Informal
To ask how two things are not the same or to say that does not matter
Phrasal Verbs
Compounds
- Specialized
A situation where two or more people disagree about something important
- Specialized
The electric push between two points in a circuit measured in volts
- Specialized
The smallest change in a thing, like sound, light or weight, that a person can notice
- Specialized
The smallest change in something, like light or taste, that a person can notice
- Specialized
The smallest change in a sound, weight, or temperature that a person can notice half the time
- Specialized
To measure how two sets of scores are related by comparing their ranks
- Specialized
A number that shows how closely two sets of ranked scores move together
How Processed
Surface Forms
Etymology
The word difference comes from the Latin parts dis- 'apart' and ferre 'to carry', and in math or data work to difference means to find what is 'apart' between values. So to difference data is to calculate the change or gap that shows how numbers differ over time.