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colCounts

Counts the number of features

Description

Returns the number of non-NA features in a features by sample matrix.

Usage

colCounts(x, ...)

Arguments

x

A matrix of mode numeric.
...

Currently ignored.

Value

A numeric vector of length identical to ncol(x).

Author(s)

Laurent Gatto

See Also

Other Quantitative feature aggregation: aggregate_by_vector(), medianPolish(), robustSummary()

Examples

m <- matrix(c(1, NA, 2, 3, NA, NA, 4, 5, 6),
            nrow = 3)
colCounts(m)
m <- matrix(rnorm(30), nrow = 3)
colCounts(m)
MsCoreUtils

Core Utils for Mass Spectrometry Data

v1.2.0
Artistic-2.0
Authors
RforMassSpectrometry Package Maintainer [cre], Laurent Gatto [aut] (<https://orcid.org/0000-0002-1520-2268>), Johannes Rainer [aut] (<https://orcid.org/0000-0002-6977-7147>), Sebastian Gibb [aut] (<https://orcid.org/0000-0001-7406-4443>), Adriaan Sticker [ctb], Sigurdur Smarason [ctb], Thomas Naake [ctb]
Initial release

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