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This dataset contains observations of 46,391 articles published as "Direct" or "Contributed" submissions in PNAS. Only includes publications in the Biological, Physical and Social Sciences sections. Variables: extract_id: incremental ID topic: main section sub_label: labelled submission type pub_year: publication year review_time: number of days from the manuscript was received until it was accepted for publication ncs_full: The field normalised citation score, full counting -
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 0 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Average | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
| views | 9 | |
| downloads | 7 |

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Downloads provided by UsageCounts