Skip to search formSkip to main content
You are currently offline. Some features of the site may not work correctly.

Null Value

Known as: None, Null 
A special value that may be stored in some database columns to represent an unknown, missing, not applicable, or undefined value.(from Free On-Line… Expand
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Review
2010
Review
2010
  • J. Kruschke
  • Wiley interdisciplinary reviews. Cognitive…
  • 2010
  • Corpus ID: 7101807
Bayesian methods have garnered huge interest in cognitive science as an approach to models of cognition and perception. On the… Expand
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Review
2008
Review
2008
Simultaneous inference is a common problem in many areas of application. If multiple null hypotheses are tested simultaneously… Expand
  • figure 1
  • figure 2
  • figure 3
  • figure 4
Highly Cited
2007
Highly Cited
2007
Histone modifications are implicated in influencing gene expression. We have generated high-resolution maps for the genome-wide… Expand
  • figure 3.1
  • figure 2.8
  • figure 5
  • figure 4
  • figure 3
Highly Cited
2004
Highly Cited
2004
  • G. Smyth
  • Statistical applications in genetics and…
  • 2004
  • Corpus ID: 564309
The problem of identifying differentially expressed genes in designed microarray experiments is considered. Lonnstedt and Speed… Expand
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • table 2
Highly Cited
2004
Highly Cited
2004
DNA degradation, low DNA concentrations and primer-site mutations may result in the incorrect assignment of microsatellite… Expand
  • figure 1
Highly Cited
1998
Highly Cited
1998
Mutations of the gene Lps selectively impede lipopolysaccharide (LPS) signal transduction in C3H/HeJ and C57BL/10ScCr mice… Expand
Review
1997
Review
1997
The author would like to thank Maureen Murphy, Stuart Lutzker, and Deborah Freedman for critical input and advice. The author… Expand
  • figure 1
  • figure 2
Highly Cited
1993
Highly Cited
1993
lin-4 is essential for the normal temporal control of diverse postembryonic developmental events in C. elegans. lin-4 acts by… Expand
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 9
Highly Cited
1992
Highly Cited
1992
The standard conclusion that is drawn from this empirical evidence is that many or most aggregate economic time series contain a… Expand
  • table 1
  • table 2
  • table 3
  • table 4
  • table 5
Highly Cited
1979
Highly Cited
1979
For any given research area, one cannot tell how many studies have been conducted but never reported. The extreme view of the… Expand