quarterly_sunspots dataset

Quarterly mean relative sunspots number from 1749-1983

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Maintainer: Bjoern Koneswarakantha
License: CC0
Last published: 2025-09-03

About the dataset

Number of rows: 940
Number of columns: 4
Class: tbl_df, tbl, data.frame

Column names and types

year:integer
qu:character
spots:numeric
mean_spots_per_year:numeric