is an option for DateHistogram that specifies the length for cyclic periods of time.


DateReduction
is an option for DateHistogram that specifies the length for cyclic periods of time.
Details

- The setting DateReductionperiod is used to indicate the period of time that will be binned, e.g. DateHistogram[data,"Day",DateReduction"Week"] gives a histogram with seven-day bins, where events on each day may come from different weeks.
- Possible settings include:
-
None no periodicity "Hour","Day","Week",… any DateValue element
Examples
Basic Examples (1)
All events are placed in bins without any periodicity in DateHistogram:
See Also
Related Guides
History
Text
Wolfram Research (2015), DateReduction, Wolfram Language function, https://reference.wolfram.com/language/ref/DateReduction.html.
CMS
Wolfram Language. 2015. "DateReduction." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/DateReduction.html.
APA
Wolfram Language. (2015). DateReduction. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/DateReduction.html
BibTeX
@misc{reference.wolfram_2025_datereduction, author="Wolfram Research", title="{DateReduction}", year="2015", howpublished="\url{https://reference.wolfram.com/language/ref/DateReduction.html}", note=[Accessed: 18-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_datereduction, organization={Wolfram Research}, title={DateReduction}, year={2015}, url={https://reference.wolfram.com/language/ref/DateReduction.html}, note=[Accessed: 18-August-2025]}