NaRV.omit: Omit Observations with NA, NaN, Inf and -Inf Values

In IDPmisc: 'Utilities of Institute of Data Analyses and Process Design (www.zhaw.ch/idp)'

Description

Omits observations with values which a not regular (=Not a Regular Value) when object is a vector, a factor, a data.frame or a matrix.

Usage

NaRV.omit(x)

Arguments

x	Vector, data.frame or matrix

Details

Irregular values are defined as NA, NaN, Inf and -Inf Values in numerics and NA in factors and characters.

Value

Returns objects of class vector, factor, data.frame or matrix in the same way as na.omit does. Returns all other objects unchanged and prints a warning.

Author(s)

Rene Locher

See Also

na.omit

Examples

M <- matrix(c(NA,1:7,NA),nrow=3)
M
NaRV.omit(M)

DF <- iris[sample(1:nrow(iris),12),]
DF[1,1] <- NA
DF[10,5] <- NA
row.names(DF) <- 1:12
DF
NaRV.omit(DF)

NaRV.omit(c(NA,1:10,NA))

fac <- factor(c(NA,sample(c(1:9))))
NaRV.omit(fac)

fac <- factor(c(NA,sample(c(1:9))),exclude=NULL)
fac
NaRV.omit(fac)

Example output

     [,1] [,2] [,3]
[1,]   NA    3    6
[2,]    1    4    7
[3,]    2    5   NA
     [,1] [,2] [,3]
[1,]    1    4    7
attr(,"na.action")
[1] 1 3
attr(,"class")
[1] "omit"
   Sepal.Length Sepal.Width Petal.Length Petal.Width    Species
1            NA         2.8          4.7         1.2 versicolor
2           5.5         2.4          3.8         1.1 versicolor
3           6.7         3.3          5.7         2.5  virginica
4           4.9         3.1          1.5         0.1     setosa
5           6.2         2.8          4.8         1.8  virginica
6           5.5         2.5          4.0         1.3 versicolor
7           6.0         2.2          4.0         1.0 versicolor
8           4.9         3.0          1.4         0.2     setosa
9           6.3         3.3          6.0         2.5  virginica
10          6.1         3.0          4.6         1.4       <NA>
11          6.5         3.0          5.5         1.8  virginica
12          6.9         3.1          5.1         2.3  virginica
   Sepal.Length Sepal.Width Petal.Length Petal.Width    Species
2           5.5         2.4          3.8         1.1 versicolor
3           6.7         3.3          5.7         2.5  virginica
4           4.9         3.1          1.5         0.1     setosa
5           6.2         2.8          4.8         1.8  virginica
6           5.5         2.5          4.0         1.3 versicolor
7           6.0         2.2          4.0         1.0 versicolor
8           4.9         3.0          1.4         0.2     setosa
9           6.3         3.3          6.0         2.5  virginica
11          6.5         3.0          5.5         1.8  virginica
12          6.9         3.1          5.1         2.3  virginica
 [1]  1  2  3  4  5  6  7  8  9 10
[1] 9 8 4 6 5 2 7 1 3
attr(,"na.action")
[1] 1
attr(,"class")
[1] "omit"
Levels: 1 2 3 4 5 6 7 8 9
 [1] <NA> 9    8    7    1    6    2    4    3    5   
Levels: 1 2 3 4 5 6 7 8 9 <NA>
 [1] <NA> 9    8    7    1    6    2    4    3    5   
Levels: 1 2 3 4 5 6 7 8 9 <NA>

IDPmisc documentation built on Jan. 21, 2020, 5:06 p.m.