Spline smoothing in a partly linear model NE Heckman Journal of the Royal Statistical Society: Series B (Methodological) 48 (2 …, 1986 | 543 | 1986 |

A quantitative genetic model for growth, shape, reaction norms, and other infinite-dimensional characters M Kirkpatrick, N Heckman Journal of mathematical biology 27 (4), 429-450, 1989 | 442 | 1989 |

Local polynomial kernel regression for generalized linear models and quasi-likelihood functions J Fan, NE Heckman, MP Wand Journal of the American Statistical Association 90 (429), 141-150, 1995 | 435 | 1995 |

Local polynomial kernel regression for generalized linear models and quasi-likelihood functions J Fan, NE Heckman, MP Wand Journal of the American Statistical Association 90 (429), 141-150, 1995 | 435 | 1995 |

Sexual selection when the female directly benefits T Price, D Schluter, NE Heckman Biological Journal of the Linnean Society 48 (3), 187-211, 1993 | 274 | 1993 |

Penalized regression with model‐based penalties NE Heckman, JO Ramsay Canadian Journal of Statistics 28 (2), 241-258, 2000 | 141 | 2000 |

Penalized regression with model‐based penalties NE Heckman, JO Ramsay Canadian Journal of Statistics 28 (2), 241-258, 2000 | 141 | 2000 |

Testing for monotonicity of a regression mean by calibrating for linear functions P Hall, NE Heckman Annals of Statistics, 20-39, 2000 | 114 | 2000 |

Comparing the shapes of regression functions NE Heckman, RH Zamar Biometrika 87 (1), 135-144, 2000 | 91 | 2000 |

Estimating and depicting the structure of a distribution of random functions P Hall, NE Heckman Biometrika 89 (1), 145-158, 2002 | 57 | 2002 |

Hypothesis testing in comparative and experimental studies of function‐valued traits CK Griswold, R Gomulkiewicz, N Heckman Evolution 62 (5), 1229-1242, 2008 | 47 | 2008 |

Minimax estimates in a semiparametric model NE Heckman Journal of the American Statistical Association 83 (404), 1090-1096, 1988 | 31 | 1988 |

Rapid adaptive evolution of colour vision in the threespine stickleback radiation DJ Rennison, GL Owens, N Heckman, D Schluter, T Veen Proceedings of the Royal Society B: Biological Sciences 283 (1830), 20160242, 2016 | 29 | 2016 |

Nonparametric testing for a monotone hazard function via normalized spacings I Gijbels*, N Heckman Journal of Nonparametric Statistics 16 (3-4), 463-477, 2004 | 27 | 2004 |

Bump hunting in regression analysis NE Heckman Statistics & probability letters 14 (2), 141-152, 1992 | 22 | 1992 |

Spline smoothing with model-based penalties JO Ramsay, N Heckman, BW Silverman Behavior Research Methods, Instruments, & Computers 29 (1), 99-106, 1997 | 21 | 1997 |

The theory and application of penalized least squares methods or reproducing kernel hilbert spaces made easy N Heckman Preprint, 1997 | 20 | 1997 |

The theory and application of penalized methods or Reproducing Kernel Hilbert Spaces made easy N Heckman Statistics Surveys 6, 113-141, 2012 | 18 | 2012 |

The theory and application of penalized methods or Reproducing Kernel Hilbert Spaces made easy N Heckman Statistics Surveys 6, 113-141, 2012 | 18 | 2012 |

A note on generalized cross-validation with replicates C Gu, N Heckman, G Wahba Statistics & probability letters 14 (4), 283-287, 1992 | 17 | 1992 |