Document (#37448)

Author
Leydesdorff, L.
Title
Accounting for the uncertainty in the evaluation of percentile ranks
Source
Journal of the American Society for Information Science and Technology. 63(2012) no.11, S.2349-2350
Year
2012
Series
Letter to the editor
Theme
Informetrie

Similar documents (author)

  1. Leydesdorff, L.: ¬The generation of aggregated journal-journal citation maps on the basis of the CD-ROM version of the Science Citation Index (1994) 4.52
    4.5150814 = sum of:
      4.5150814 = weight(author_txt:leydesdorff in 8280) [ClassicSimilarity], result of:
        4.5150814 = fieldWeight in 8280, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.2241306 = idf(docFreq=87, maxDocs=44421)
          0.625 = fieldNorm(doc=8280)
    
  2. Leydesdorff, L.: Why words and co-word cannot map the development of the science (1997) 4.52
    4.5150814 = sum of:
      4.5150814 = weight(author_txt:leydesdorff in 1147) [ClassicSimilarity], result of:
        4.5150814 = fieldWeight in 1147, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.2241306 = idf(docFreq=87, maxDocs=44421)
          0.625 = fieldNorm(doc=1147)
    
  3. Leydesdorff, L.: Theories of citation? (1999) 4.52
    4.5150814 = sum of:
      4.5150814 = weight(author_txt:leydesdorff in 6130) [ClassicSimilarity], result of:
        4.5150814 = fieldWeight in 6130, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.2241306 = idf(docFreq=87, maxDocs=44421)
          0.625 = fieldNorm(doc=6130)
    
  4. Leydesdorff, L.: ¬A sociological theory of communication : the self-organization of the knowledge-based society (2001) 4.52
    4.5150814 = sum of:
      4.5150814 = weight(author_txt:leydesdorff in 1184) [ClassicSimilarity], result of:
        4.5150814 = fieldWeight in 1184, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.2241306 = idf(docFreq=87, maxDocs=44421)
          0.625 = fieldNorm(doc=1184)
    
  5. Leydesdorff, L.: Dynamic and evolutionary updates of classificatory schemes in scientific journal structures (2002) 4.52
    4.5150814 = sum of:
      4.5150814 = weight(author_txt:leydesdorff in 2249) [ClassicSimilarity], result of:
        4.5150814 = fieldWeight in 2249, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          7.2241306 = idf(docFreq=87, maxDocs=44421)
          0.625 = fieldNorm(doc=2249)
    

Similar documents (content)

  1. Schreiber, M.: Uncertainties and ambiguities in percentiles and how to avoid them (2013) 0.88
    0.87711114 = sum of:
      0.87711114 = product of:
        1.4618518 = sum of:
          0.08931073 = weight(abstract_txt:evaluation in 1675) [ClassicSimilarity], result of:
            0.08931073 = score(doc=1675,freq=1.0), product of:
              0.15949655 = queryWeight, product of:
                4.479632 = idf(docFreq=1368, maxDocs=44421)
                0.035604835 = queryNorm
              0.559954 = fieldWeight in 1675, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.479632 = idf(docFreq=1368, maxDocs=44421)
                0.125 = fieldNorm(doc=1675)
          0.42899746 = weight(abstract_txt:ranks in 1675) [ClassicSimilarity], result of:
            0.42899746 = score(doc=1675,freq=1.0), product of:
              0.45406568 = queryWeight, product of:
                1.6872665 = boost
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.035604835 = queryNorm
              0.9447916 = fieldWeight in 1675, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.125 = fieldNorm(doc=1675)
          0.9435436 = weight(abstract_txt:percentile in 1675) [ClassicSimilarity], result of:
            0.9435436 = score(doc=1675,freq=2.0), product of:
              0.6095091 = queryWeight, product of:
                1.9548545 = boost
                8.757029 = idf(docFreq=18, maxDocs=44421)
                0.035604835 = queryNorm
              1.5480386 = fieldWeight in 1675, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.757029 = idf(docFreq=18, maxDocs=44421)
                0.125 = fieldNorm(doc=1675)
        0.6 = coord(3/5)
    
  2. Schreiber, M.: Empirical evidence for the relevance of fractional scoring in the calculation of percentile rank scores (2013) 0.75
    0.75325876 = sum of:
      0.75325876 = product of:
        1.2554312 = sum of:
          0.066983044 = weight(abstract_txt:evaluation in 1640) [ClassicSimilarity], result of:
            0.066983044 = score(doc=1640,freq=1.0), product of:
              0.15949655 = queryWeight, product of:
                4.479632 = idf(docFreq=1368, maxDocs=44421)
                0.035604835 = queryNorm
              0.4199655 = fieldWeight in 1640, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.479632 = idf(docFreq=1368, maxDocs=44421)
                0.09375 = fieldNorm(doc=1640)
          0.32174808 = weight(abstract_txt:ranks in 1640) [ClassicSimilarity], result of:
            0.32174808 = score(doc=1640,freq=1.0), product of:
              0.45406568 = queryWeight, product of:
                1.6872665 = boost
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.035604835 = queryNorm
              0.7085937 = fieldWeight in 1640, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.09375 = fieldNorm(doc=1640)
          0.8667001 = weight(abstract_txt:percentile in 1640) [ClassicSimilarity], result of:
            0.8667001 = score(doc=1640,freq=3.0), product of:
              0.6095091 = queryWeight, product of:
                1.9548545 = boost
                8.757029 = idf(docFreq=18, maxDocs=44421)
                0.035604835 = queryNorm
              1.4219642 = fieldWeight in 1640, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                8.757029 = idf(docFreq=18, maxDocs=44421)
                0.09375 = fieldNorm(doc=1640)
        0.6 = coord(3/5)
    
  3. Leydesdorff, L.; Bornmann, L.; Mutz, R.; Opthof, T.: Turning the tables on citation analysis one more time : principles for comparing sets of documents (2011) 0.65
    0.6500185 = sum of:
      0.6500185 = product of:
        1.0833641 = sum of:
          0.044655364 = weight(abstract_txt:evaluation in 485) [ClassicSimilarity], result of:
            0.044655364 = score(doc=485,freq=1.0), product of:
              0.15949655 = queryWeight, product of:
                4.479632 = idf(docFreq=1368, maxDocs=44421)
                0.035604835 = queryNorm
              0.279977 = fieldWeight in 485, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.479632 = idf(docFreq=1368, maxDocs=44421)
                0.0625 = fieldNorm(doc=485)
          0.37152267 = weight(abstract_txt:ranks in 485) [ClassicSimilarity], result of:
            0.37152267 = score(doc=485,freq=3.0), product of:
              0.45406568 = queryWeight, product of:
                1.6872665 = boost
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.035604835 = queryNorm
              0.8182135 = fieldWeight in 485, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.0625 = fieldNorm(doc=485)
          0.6671861 = weight(abstract_txt:percentile in 485) [ClassicSimilarity], result of:
            0.6671861 = score(doc=485,freq=4.0), product of:
              0.6095091 = queryWeight, product of:
                1.9548545 = boost
                8.757029 = idf(docFreq=18, maxDocs=44421)
                0.035604835 = queryNorm
              1.0946286 = fieldWeight in 485, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                8.757029 = idf(docFreq=18, maxDocs=44421)
                0.0625 = fieldNorm(doc=485)
        0.6 = coord(3/5)
    
  4. Leydesdorff, L.; Bornmann, L.: Integrated impact indicators compared with impact factors : an alternative research design with policy implications (2011) 0.31
    0.31004754 = sum of:
      0.31004754 = product of:
        0.7751188 = sum of:
          0.303347 = weight(abstract_txt:ranks in 919) [ClassicSimilarity], result of:
            0.303347 = score(doc=919,freq=2.0), product of:
              0.45406568 = queryWeight, product of:
                1.6872665 = boost
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.035604835 = queryNorm
              0.6680685 = fieldWeight in 919, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.0625 = fieldNorm(doc=919)
          0.4717718 = weight(abstract_txt:percentile in 919) [ClassicSimilarity], result of:
            0.4717718 = score(doc=919,freq=2.0), product of:
              0.6095091 = queryWeight, product of:
                1.9548545 = boost
                8.757029 = idf(docFreq=18, maxDocs=44421)
                0.035604835 = queryNorm
              0.7740193 = fieldWeight in 919, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.757029 = idf(docFreq=18, maxDocs=44421)
                0.0625 = fieldNorm(doc=919)
        0.4 = coord(2/5)
    
  5. Zhao, D.; Strotmann, A.: Dimensions and uncertainties of author citation rankings : lessons learned from frequency-weighted in-text citation counting (2016) 0.27
    0.26845336 = sum of:
      0.26845336 = product of:
        0.6711334 = sum of:
          0.20673002 = weight(abstract_txt:uncertainty in 3774) [ClassicSimilarity], result of:
            0.20673002 = score(doc=3774,freq=1.0), product of:
              0.38179585 = queryWeight, product of:
                1.5471768 = boost
                6.930783 = idf(docFreq=117, maxDocs=44421)
                0.035604835 = queryNorm
              0.5414674 = fieldWeight in 3774, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.930783 = idf(docFreq=117, maxDocs=44421)
                0.078125 = fieldNorm(doc=3774)
          0.46440336 = weight(abstract_txt:ranks in 3774) [ClassicSimilarity], result of:
            0.46440336 = score(doc=3774,freq=3.0), product of:
              0.45406568 = queryWeight, product of:
                1.6872665 = boost
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.035604835 = queryNorm
              1.022767 = fieldWeight in 3774, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                7.558333 = idf(docFreq=62, maxDocs=44421)
                0.078125 = fieldNorm(doc=3774)
        0.4 = coord(2/5)