How can I create a boxplot with whiskers?

up vote
1
down vote

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I have created a plot with 3 boxplots, but my whiskers are not showing for one of them.

Boxplot

How can I make them show?

This is my data:

Class 3: 5.055052 3.028838 3.423485 6.434745 6.396239 4.114418
3.687380 2.633139 7.356185 5.736677 4.462504 7.137034

Class 4: 4.738094 21.736701 6.716363 10.306583 4.757640 6.265024

My code is as follows:

boxplot(hvol.concentration,class.3, class.4, ylab="8-OHdG Concentration (ng/ml)", main="Boxplot Distribution of 8-OHdG", ylim=c(0,25), pch=16, names=c("Control", "NYHA III", "NYHA IV"))

edited Nov 13 at 12:11

hrbrmstr

59k584143

asked Nov 13 at 12:06

Marierose M. Mina

112

add a comment |

up vote
1
down vote

favorite

I have created a plot with 3 boxplots, but my whiskers are not showing for one of them.

Boxplot

How can I make them show?

This is my data:

Class 3: 5.055052 3.028838 3.423485 6.434745 6.396239 4.114418
3.687380 2.633139 7.356185 5.736677 4.462504 7.137034

Class 4: 4.738094 21.736701 6.716363 10.306583 4.757640 6.265024

My code is as follows:

boxplot(hvol.concentration,class.3, class.4, ylab="8-OHdG Concentration (ng/ml)", main="Boxplot Distribution of 8-OHdG", ylim=c(0,25), pch=16, names=c("Control", "NYHA III", "NYHA IV"))

edited Nov 13 at 12:11

hrbrmstr

59k584143

asked Nov 13 at 12:06

Marierose M. Mina

112

add a comment |

up vote
1
down vote

favorite

I have created a plot with 3 boxplots, but my whiskers are not showing for one of them.

Boxplot

How can I make them show?

This is my data:

Class 3: 5.055052 3.028838 3.423485 6.434745 6.396239 4.114418
3.687380 2.633139 7.356185 5.736677 4.462504 7.137034

Class 4: 4.738094 21.736701 6.716363 10.306583 4.757640 6.265024

My code is as follows:

boxplot(hvol.concentration,class.3, class.4, ylab="8-OHdG Concentration (ng/ml)", main="Boxplot Distribution of 8-OHdG", ylim=c(0,25), pch=16, names=c("Control", "NYHA III", "NYHA IV"))

edited Nov 13 at 12:11

hrbrmstr

59k584143

asked Nov 13 at 12:06

Marierose M. Mina

112

I have created a plot with 3 boxplots, but my whiskers are not showing for one of them.

Boxplot

How can I make them show?

This is my data:

Class 3: 5.055052 3.028838 3.423485 6.434745 6.396239 4.114418
3.687380 2.633139 7.356185 5.736677 4.462504 7.137034

Class 4: 4.738094 21.736701 6.716363 10.306583 4.757640 6.265024

My code is as follows:

boxplot(hvol.concentration,class.3, class.4, ylab="8-OHdG Concentration (ng/ml)", main="Boxplot Distribution of 8-OHdG", ylim=c(0,25), pch=16, names=c("Control", "NYHA III", "NYHA IV"))

r boxplot errorbar

edited Nov 13 at 12:11

hrbrmstr

59k584143

asked Nov 13 at 12:06

Marierose M. Mina

112

edited Nov 13 at 12:11

hrbrmstr

59k584143

asked Nov 13 at 12:06

Marierose M. Mina

112

edited Nov 13 at 12:11

hrbrmstr

59k584143

edited Nov 13 at 12:11

hrbrmstr

59k584143

edited Nov 13 at 12:11

hrbrmstr

59k584143

asked Nov 13 at 12:06

Marierose M. Mina

112

asked Nov 13 at 12:06

Marierose M. Mina

112

asked Nov 13 at 12:06

Marierose M. Mina

112

add a comment |

1 Answer
1

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oldest

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up vote
1
down vote

boxplot(c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024), plot = FALSE)$stats

##           [,1]

## [1,]  4.738094 <<== It's definitely there but the lower bound of the IQR is almost the same as min val

## [2,]  4.757640

## [3,]  6.490694

## [4,] 10.306583 <<== Upper bound of IQR == max val

## [5,] 10.306583

If you make the plot window bigger the grid size will be sufficient to see the lower IQR:

boxplot(

  c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024),

  horizontal = TRUE

)

enter image description here

answered Nov 13 at 12:17

hrbrmstr

59k584143

add a comment |

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1 Answer
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active

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votes

1 Answer
1

active

oldest

votes

up vote
1
down vote

boxplot(c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024), plot = FALSE)$stats

##           [,1]

## [1,]  4.738094 <<== It's definitely there but the lower bound of the IQR is almost the same as min val

## [2,]  4.757640

## [3,]  6.490694

## [4,] 10.306583 <<== Upper bound of IQR == max val

## [5,] 10.306583

If you make the plot window bigger the grid size will be sufficient to see the lower IQR:

boxplot(

  c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024),

  horizontal = TRUE

)

enter image description here

answered Nov 13 at 12:17

hrbrmstr

59k584143

add a comment |

up vote
1
down vote

boxplot(c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024), plot = FALSE)$stats

##           [,1]

## [1,]  4.738094 <<== It's definitely there but the lower bound of the IQR is almost the same as min val

## [2,]  4.757640

## [3,]  6.490694

## [4,] 10.306583 <<== Upper bound of IQR == max val

## [5,] 10.306583

If you make the plot window bigger the grid size will be sufficient to see the lower IQR:

boxplot(

  c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024),

  horizontal = TRUE

)

enter image description here

answered Nov 13 at 12:17

hrbrmstr

59k584143

add a comment |

up vote
1
down vote

boxplot(c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024), plot = FALSE)$stats

##           [,1]

## [1,]  4.738094 <<== It's definitely there but the lower bound of the IQR is almost the same as min val

## [2,]  4.757640

## [3,]  6.490694

## [4,] 10.306583 <<== Upper bound of IQR == max val

## [5,] 10.306583

If you make the plot window bigger the grid size will be sufficient to see the lower IQR:

boxplot(

  c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024),

  horizontal = TRUE

)

enter image description here

answered Nov 13 at 12:17

hrbrmstr

59k584143

boxplot(c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024), plot = FALSE)$stats

##           [,1]

## [1,]  4.738094 <<== It's definitely there but the lower bound of the IQR is almost the same as min val

## [2,]  4.757640

## [3,]  6.490694

## [4,] 10.306583 <<== Upper bound of IQR == max val

## [5,] 10.306583

If you make the plot window bigger the grid size will be sufficient to see the lower IQR:

boxplot(

  c(4.738094, 21.736701, 6.716363, 10.306583, 4.757640, 6.265024),

  horizontal = TRUE

)

enter image description here

answered Nov 13 at 12:17

hrbrmstr

59k584143

answered Nov 13 at 12:17

hrbrmstr

59k584143

answered Nov 13 at 12:17

hrbrmstr

59k584143

answered Nov 13 at 12:17

hrbrmstr

59k584143

add a comment |

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