Table 1 The top 100, 200, 300 keyword ratio and their frequencies
From: A bibliometric analysis of global forest ecology research during 2002–2011
Keywords number | Keywords ratio | Keywords frequencies | Frequencies Ratio (%) |
|---|---|---|---|
100 | 0.07%(100/150974) | 173925 | 18.54%(173925/937923) |
200 | 0.13%(200/150974) | 233042 | 24.85%(233042/937923) |
300 | 0.20%(300/150974) | 271233 | 28.92%(271233/937923) |