Description Usage Arguments Value Author(s) See Also

doublejar adds a specified number to all features of all input vectors, after which it calculates rate ratios of the rate ratios for all features. The function was designed to prevent zeros in count data.

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`mt1` |
Numeric vector. Feature data in test sample of line m |

`wt1` |
Numeric vector. Feature data in test sample of line w |

`mt0` |
Numeric vector. Feature data in control sample of line m |

`wt0` |
Numeric vector. Feature data in control sample of line w |

`n` |
Numeric. Specify how much is added to each value before calculating rate ratios of rate ratios. Default = 5 |

`log` |
Logical or numeric. Specify whether to log-transform the rate ratio, and with what base. If TRUE, uses log2. Default = TRUE |

`normfun` |
Character string. Specify with which function to standardize the data. Default = "sum" |

`normsubset` |
Integer vector. Specify the indices of features that are to be used in standardization |

Returns a numeric vector of the same length as the input vectors with the (log2-transformed) rate ratios of rate ratios after adding a specified number to all features.

Jos B. Poell

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