Questions tagged [boxplot]
A graphical display to summarize the distribution of a sample. It displays five numbers plus (possibly) some outliers - those five points being the median, hinges (approximate quartiles), and the largest and smallest value not counting any points marked as outliers.
261
questions
3
votes
2
answers
88
views
Intro to Stats- professor's mistake in an exercise on types of diagrams?
The Question
Parking at a university has become a problem. University administrators are interested in determining the average time it takes students to find a parking spot. An administrator ...
- 133
2
votes
2
answers
48
views
Reading Boxplots in Multiple Logistic Regression
Assuming a paradigm of logistic regression, I'm having some trouble understanding what particular model is suggested by some parallel boxplots. For example, here:
I'm told the model suggested is:
$$\...
- 21
0
votes
0
answers
23
views
How boxplot over absolute error of learning models could be used to compare\evaluate learning models' performances?
Recently I crossed this paper which represents the evaluation of various models' performances within a single dataset by Boxplot over $Absolute~Error~(AE)$ as follows:
Fig. 12: Boxplot of baseline ...
- 441
2
votes
2
answers
36
views
Using boxplots of previous day’s percentage change in S&P index to predict today's return based on yesterday's movement
In the book "An Introduction to Statistical Learning with Applications in Python, Trevor Hastie et al., Springer", there's the following paragraph:
The left-hand panel of Figure 1.2 ...
- 720
1
vote
1
answer
43
views
Box plots of monthly averaged water flow
I am working with a model that models water flows in a certain area. These flows can be influenced by taking certain measures, resulting in multiple water management scenarios. I would like to compare ...
- 11
1
vote
1
answer
270
views
Seaborn Boxplot's quartiles
I'm trying to understand how to properly interpret seaborn-generated boxplots.
Consider the following code:
...
- 1,443
1
vote
1
answer
194
views
Boxplot with a symmetric box, but with whiskers of different lengths [duplicate]
From Figure 2 of Ferreira et al. (2016) "Graphical representation of chemical periodicity of main elements through boxplot", we can see the taxonomy of some common cases of symmetrical and ...
- 280
0
votes
0
answers
39
views
How to visually check for homoscedasticity? [duplicate]
I want to know what to look for in a boxplot, when we want to check for homogeneity of variances among groups, which is an assumption in ANOVA.
I used this codes to get a boxplot:
'''boxplot(log(...
- 73
1
vote
0
answers
29
views
Can there be no outliers as per calculation with IQR formula while the boxplot shows there are outliers in the dataset?
While plotting a box plot, the plot is showing the columns in the dataset has outliers, but while trying to calculate it by IQR formula, it is showing there are 0 outliers in the columns of the ...
- 11
1
vote
0
answers
31
views
BEST POSSIBLE WAY to determine significantly high values within zero-inflated univariate continuous distributions
I have more than 50 different distributions, corresponding to 50 different kind of customers, who spend their money in a certain way within a period, being this amount the single variable of interest.
...
- 11
5
votes
1
answer
309
views
Plots to judge data that is a bit asymmetric
I have data that goes from negative to positive.
When plotted in an histogram it looks like this
The data is the "error".
If I have another set of data I want to learn how to judge which ...
- 247
2
votes
1
answer
33
views
Identical interquartile ranges for distributions with different means and numbers of data points
Consider these two distributions, representing ratings (in the range 0-9) given in an experiment for two different conditions A and B:
...
- 2,362
0
votes
1
answer
75
views
1-way ANOVA contradicts boxplot?
I'm trying to find out if there's a significant difference between relative abundance (response variable: rel.abund) and habitat (predictor variable with levels lagoon, bank, shelf: Habitat).
This is ...
- 273
1
vote
1
answer
441
views
Interpreting box plots with categorical variables
How do you explain a box plot with categorical variables on the x-axis? For example, I have these two box plots, how do you interpret relative comparison of each category within the box plot?
Sample ...
- 560
0
votes
0
answers
68
views
How to find all the data on a box-and-whisker plot? Most importantly the mean
I am super stuck on the question. I looked up on how to find the mean on a Box-and-whisker plot, and never got a clear answer.
