Questions tagged [data-visualization]

Constructing meaningful and useful graphical representations of data. (If your question is only about how to get particular software to produce a specific effect, then it is likely not on topic here.)

Filter by
Sorted by
Tagged with
0
votes
0answers
6 views

How to visualize a project folder tree with R script? [closed]

I would like to generate a text-based project folder tree with R script. The script should start from a top level project folder and goes down recursevely to the bottom of each subfolder. The ...
-1
votes
0answers
7 views

reading streamgraphs is not easy, vertical side [closed]

I have this streamgraph, and I want to read it correctly? How d you read it?
1
vote
0answers
21 views

Transforming y and x-axis

I have a model that predicts frequencies. True frequencies are close to 1 therefore the frequencies that predicted are mostly close to 1. Sample frequencies are: ...
0
votes
0answers
8 views

What does “Model has aliased term(s); df ambgiuous” mean in R? [closed]

I'm trying to run crPlots and I keep getting this error crPlots(lm_lifexp) Error in df.terms.default(model, var) : Model has aliased term(s); df ambiguous. How can I solve this?
0
votes
0answers
12 views

GLM summary shows no significant difference for variable but difference can be seen in plot

I am doing a multiple regression to predict average sizes of fish between areas protected from fishing and areas open to fishing. The model also takes into account habitat parameters which are the ...
1
vote
1answer
52 views

How to compare the outcomes of a 3-variable test in a grid?

If I do a test; say, measuring the brightness of a room; and I have two variables (e.g. lamp on/off and window open/closed), I can display the results in a spreadsheet like so: Lamp: On Lamp: Off ...
0
votes
0answers
5 views

Adding text to a boxplot that does not have a numbered axes [migrated]

I am interested in labeling my boxplot with the letter A in the top left corner, but because I have a categorical X axis comparing season (summer vs winter), I am unable to give coordinates for my ...
0
votes
0answers
8 views

Plot multiple imputation results from mitml [closed]

I have pooled results from the mitml package: ...
0
votes
0answers
7 views

Spearman correlation graph with log axis scale

I did a Spearman correlation on two variables with non-normally distributed linear data, and they correlate. However, since the data is very skewed, the graph does not look good with linear axis. I ...
0
votes
0answers
4 views

Interpretation of a figure: mismatching confidence intervals and percentiles

I found a figure as follows, showing distributions of some scores at three time points: Considering the with of 25th-75th percentiles, how can 95% CIs be so narrow? Is this erroneous?
0
votes
0answers
12 views

Representing extreme historical temperatures

I'm knitting a temperature scarf with 365 rows, where each row represents the day's temperature. Which temperature should I record? By itself this is a subjective question, but I have more constraints....
0
votes
0answers
10 views

How to interpret negative correlations on a heatmap (or in general)?

I'm currently running some rudimentary exploratory data analysis on the common Kaggle Titanic survival rate competition, and would like to know how to interpret the following heatmap correlation plot ...
0
votes
0answers
14 views

What kind of graph shows the distance between any 2 points as a measure of similarity between them?

I would like to start by saying that I have looked across several sites on the StackExchange website, and have determined this would be the best to ask my question as it regards data-visualisation ...
1
vote
0answers
27 views

Standard practices for displaying thousands of regressions - what are they?

I thought this might be a fairly simple question, but I've failed gather adequate information on the subject. So what are the standard pratices to display the results of thousands of regressions? I ...
0
votes
0answers
11 views

Local outlier factor plot

I'm trying to visualize results from LOF algorithm. I came across a type of graph a few times and it makes me question if the calculations I'm doing are correct. The type of graphs I'm talking about ...
-1
votes
1answer
31 views

Binomial distribution vs. Discrete uniform distribution. vs. randomly selecting

I have an array of $n$ non-negative integers where each element can be randomly (uniformly) selected with repetitions from all the integers between 0 and $m$ (with $m>n$). So the probability of ...
-1
votes
0answers
45 views

R: When do we use mean or median for the y axis in ggplot2 when doing analysis on property prices?

As mentioned in the title, I am not sure whether to use the median or mean function on prices of properties since prices of properties are on the y axis and my x-axis is for the years. I have attached ...
0
votes
0answers
29 views

Visualising significance of difference between nominal groups

I have a data set that gives the number of issues found during annual vehicle inspection for various car models and it probably is a vague requirement but I need to come up with a way to visualise ...
1
vote
0answers
9 views

Plot of the LC50 Curve in R using ggplot2 with estimates obtained in the stan [closed]

I'm trying to make the following graphic below in ggplot2. See that I am adjusting a logistic regression model under the Bayesian approach using the stan package. data: https://drive.google.com/file/d/...
0
votes
0answers
38 views

R Pearson's vs Spearman's vs Kendall's, P values and correlation

I am trying to work out how to present data in a graph and whether or not the same data is valid for a correlation test(s). I am trying to work out if there is an association between age in years and ...
-1
votes
0answers
17 views

3d plot superstore data [duplicate]

How to make out of the below dataset a very meaningful/insightful 3D Plot. I mean, which variables you will pick up, plus, which 3D plot you will choose? Also, if you can add the same for the boxplot.
0
votes
1answer
24 views

Interaction Plot error: The lines do not meet

Hello I wanted to develop an alternative regression equation just to prove that my first regression equation is a better fit. I want to show the possibility that my independent variables my be ...
2
votes
1answer
19 views

performing multiple pairwise comparisons against a single control with ggstatsplot

In my dataset I have a single negative control and then numerous groups that are treated with a compound in increasing doses. I have figured out how to automate running ggbetweenstats on my large list ...
0
votes
0answers
13 views

plotting bivariate normal distribution samples

I have generated two samples $\underline{X_i}$ and $\underline{Z_i}$ $\underline{X_1}$ $\underline{X_2}\dots \underline{X_{5000}}$ , while $\underline{X_i} \sim N_2[(1,2)^T,\begin{pmatrix}2&1.5\\ ...
0
votes
0answers
11 views

Second of the seasonal difference in a time series

Please let me know how to do the second of the seasonal difference in a time series. For example, I have 7-day seasonality and I did the first and second differencing as follows. I got the following ...
0
votes
0answers
7 views

Multiple lines on graph/line going in multiple strange directions [migrated]

Hi I am trying to plot number of trips against number of sightings in the graph below ]1 This graph was produced with the following code; ...
0
votes
0answers
31 views

Plot a tree from RandomForest object

I trained a randomforest using the RandomForest package on R. I am interested in how the most useful variables are split into the classes, So i would like to visualize a tree that is somehow an ...
0
votes
0answers
6 views

What the fundamental subjects and tools should I learn to handle the data and build interfacing model based on the data analysis?

I am going to build a model which is completely dependent on meteorological, environmental, geographical, and other variable related to solar system installation. Load profile data also is going to be ...
0
votes
1answer
13 views

How can I get correlation plot between survey responses (R)?

I am performing an analysis on a survey response with answers like(most likely, not at all,a lot). I want to see correlation between responses of two columns. For eg, does "a lot" of one ...
0
votes
0answers
9 views

Plot pooled mixed lme model fit using cubic regression splines

I'd like to plot the following model: ...
0
votes
0answers
10 views

Plotting the results of a zero-inflation poisson mixed effect model in R?

I am currently running a series of zero-inflation poisson mixed effects models and was wondering what the best way is to plot the results of the conditional model portion. I have tried using the ...
1
vote
1answer
26 views

How to plot sparse timeseries data (preferably using Google Sheets)?

I have a table like the following, showing times my DSL modem lost connection to the ISP and how long until connection was restored (full data, if you're very bored): Date Duration 01/10/2020 01:08:...
0
votes
0answers
29 views

How should I interpret these ACF / PACF plots for a time series?

I am trying to determine the most appropriate degree of difference to start building an arima model for this dataset. I already know that I need a first difference, but there is a seasonal component, ...
1
vote
1answer
48 views

How to efficiently present graph for this data

I have three variables. In the first table CPU value is fixed and similarly in the second. If I generate a graph for this data there will be four different graphs and then another four graphs if ...
0
votes
0answers
9 views

What are some Multivariate Imputation by Chained Regression (MICE) diagnostic plots?

The mice package says, "Many diagnostic plots are implemented to inspect the quality of the imputations." What are those plots? Which are useful? How do you use them?
0
votes
0answers
10 views

Is an unweighted rolling average useful to overlay on to a daily percentage plot?

The data I have is in the form of customer receipts. Items are grouped into categories such as Dairy, Produce, Meats, etc ... I am putting together a dashboard of information, one plot of which is the ...
0
votes
1answer
36 views

Using visual representation of time series of unequal length

I would like to apply methods like Gramian angular field, recurrence plots and Markov transition fields to a time series classification (TSC) problem where the time series themselves are all of ...
0
votes
2answers
36 views

How to interpret correlation heatmaps?

I've noticed that correlation heat maps are a popular method of visualising data, but I'm not sure what insights they provide. I can understand why we're interested in the relationship between ...
0
votes
1answer
50 views

How to differentiate statistically between two numerical continuous datasets?

Sample from: Green - Gamma(45, 1); Red - Normal(375, 19) These two samples clearly come from two different distributions. Is it possible to verify that these two samples come from two different ...
0
votes
0answers
3 views

Visualizing regional disparities by three connected parameters

I have a research topic (regional index) which must be described by three parameters. These three parameters should not be presented separately as they are closely related (an important part of a ...
0
votes
1answer
26 views

Scatter Plot with Y depending on X

Does a scatter plot make sense if our Y variable is a part of the sum of the X variable? For example, say: ...
1
vote
0answers
12 views

Does the N-dimensional hypervolume refer to the N attributes we have in the training sets?

If we have $N$ features in the feature set that is being used to train a machine learning model, does the $N$ here cause the data points to be in hyperspace provided that $N > 3$? I'm assuming that ...
0
votes
0answers
16 views

Visualizing Cross-Level Interactions from Stata Output

I am estimating a multi-level ordinal logit model in Stata. The dependent variable is happy (0,1, and 2) The individual-level predictors are married (0/1) and age (continuous). The country-level ...
1
vote
1answer
25 views

Can I use a single letter or symbol to represent “actual” in a table?

I have a chart that displays numbers for 2017, 2018, 2019 and 2020, but the 2020 numbers are based on projections - I want to display the "actual" value on the data label next to the ...
0
votes
0answers
19 views

Why data points on Weibull plot lies outside of probability line?

As shown on the pic from ReliaSoft wiki site below. Data points located not exactly on the probability line. If parameters estimated with MLE, then F(t) for plotting data points and probability line ...
0
votes
0answers
27 views

Residual plot transformation question

I need some help figuring out what kind of transformation to do on a residual plot. Essentially, I have to make a residual plot of a player's salary in the NBA compared with their points scored. Here ...
3
votes
1answer
46 views

Challenging visualization task: simultaneously visualizing 15 regions by 3 descriptive values

I have a rather challenging visualization task. 15 geographical regions (data points for plot), each described by 3 continuous values and all these values have confidence intervals. The aim is to ...
0
votes
0answers
9 views

How best to visualize parts-of-a-whole data over time (similar to stacked area graph) with negative values?

I would like to visualize many proportions relative to their summation, where each proportion could be a positive or negative number. A perfect tool is the stacked area chart, example: But this does ...

1
2 3 4 5
53