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.)

learn more… | top users | synonyms (8)

5
votes
1answer
30 views

What is the best visualization for Cramér's V?

When visualizing a linear correlation between two continuous variables, one uses a scatter plot, usually in combination with the Pearson product-moment correlation coefficient. When doing the same for ...
0
votes
0answers
20 views

What is a good mouse cursor to point at objects in diagrams? [on hold]

Do you know of any study or evaluation of the use of mouse cursors specifically designed for the use in diagrams? For example I'm thinking about using a cross hair instead of an arrow cursor when I ...
0
votes
1answer
32 views

How to reproduce a plot with fitted value graph and lowess smooth graph superimpose? [on hold]

I have a binary response variable (y) and continuous explanatory variable (age). I utilised logistic regression to analyse them. I have a plot of y against age. What I want to do now is superimpose ...
2
votes
1answer
48 views

ACF and PACF Formula

I want to create a code for plotting ACF and PACF from time-series data. Just like this generated plot from minitab (below). I have tried to search the formula, but I still don't understand it ...
4
votes
1answer
109 views

What does my ACF graph tell me about my data?

I have two datasets: My first dataset is the value of an investment (in billions of dollars) against time, each unit time being one quarter since Q1 of 1947. The time extends to Q3 of 2002. My ...
4
votes
3answers
59 views

How to meaningfully visualize a categorized, weighted data set

I have a set of data that looks like this, and I'm trying to figure out how to create a single visual representation: ...
0
votes
0answers
11 views

How to plot the deviation of values from values predicted by control variable for partial correlation? [closed]

I am new to R (and statistics), so this problem might be trivial... I have the following formula: pcor.test(data$R.n, data$sr.h, data$rank, method="spearman") ...
1
vote
0answers
18 views

R: Bitmap output in PDF [migrated]

A lot of the time, I find it very useful to output graphics with pdf() as it allows me to scroll through pages and observe subtle differences (e.g. the page numbers ...
2
votes
1answer
24 views

Interpret the (visual) length of the branch in decision tree?

I'm using the tree package in R to produce the following tree. The (visual) length of the first split is huge, and I wonder if this signifies something? Perhaps how ...
0
votes
0answers
12 views

When to plot different slopes for different treatments in ANCOVA

I am running an ANCOVA with a treatment of 3 levels and a continuous co-variate. Using step() in r, the simplest model includes the treatment factor and the co-variate, but not their interaction. To ...
0
votes
0answers
38 views

How to interpret asymmetric error bars?

I got this data from an unknown source and I was trying to understand why the error bars (which I think represent the standard error) are asymmetrical. Is it because the y-axis is on a log scale? The ...
0
votes
0answers
12 views

Dashed curve in simple R plot. Lty=2 does not seem to be working [migrated]

I am having trouble with getting a simple plot to return a dotted line (lty=2). This is a very elementary problem, but I can't seem to find the solution. I would greatly appreciate if someone could ...
3
votes
2answers
51 views

How do I graphically represent the correlational between 4 variables (A positive with B: C positive with D)

I am trying to figure out a way to graphically represent the following result. I have four variables, two DV and two IV. All variables are continuous. There are unique relationships between these ...
0
votes
1answer
33 views

What kind of chart to use when comparing two sets of data, each with an X and Y?

So I did a survey for a class at school, and I am looking for a correlation between how often people read the news, and their opinion on a certain current event. People rated their up-to-dateness on ...
0
votes
0answers
16 views

Adjust confidence ribbon in regression plot in ggplot2(R) [migrated]

I am plotting a regression line with confidence intervals in ggplot2. How can I adjust the code (see below) that there is no shaded area indicating the confidence interval but just a dotted line for ...
11
votes
3answers
2k views

What is the name of this type of plot?

Is there an official name for this extremely simple plot, in which vertical lines indicate the distribution of some samples in a range?
2
votes
0answers
87 views

Visualize the difference from target value with bar charts [migrated]

I am trying to visualize the offset of a time series from its baseline value using bar charts from R's gglot2 package. For instance, take the following synthetic data: ...
3
votes
1answer
49 views

Research methodology, statistical literacy and communication

When talking to clients or offering advice, I often find myself having to question the choice of plotting variables over time. For example, if a client is interested in understanding the relationship ...
18
votes
5answers
288 views

Color and line thickness recommendations for line plots

Much has been written about color blind-friendly color choices for maps, polygons, and shaded regions in general (see for example http://colorbrewer2.org). I have not been able to find ...
0
votes
0answers
14 views

How to change the color and width of lines with par function [migrated]

I have a question about the par function in R. I want to change the color and/or width of a line in a graph with par function. (I am using par function because the gaps.plot command below does not ...
5
votes
5answers
626 views

Displaying three pieces of information on a graph

I want to display how much study I have done, and how many pages I have completed throughout the week, broken up by day, and I have done so as shown below: I have had people tell me that they can't ...
1
vote
1answer
37 views

Visualize difference between 2 classifiers

I trained 2 binary classifiers with the same data (a Decision Tree and a Random Forest). They both made a prediction on the same test data. Now, I want to visualize the difference in classification ...
5
votes
1answer
151 views

Minimizing numbers along diagonal

Please forgive my ignorance if this isn't the appropriate place to ask this question, I'm by no means an expert in statistics. I'll omit most of the esoteric linguistic details here, but I've run up ...
0
votes
0answers
16 views

Edge prediction from Live Journal data in SNAP

I have downloaded data for the Live Journal graph from SNAP . The dataset looks like this From_Node_Id ->To_Node_Id ...
2
votes
0answers
32 views

Am I using Paired Statistical Test Correctly?

I am comparing a feature between correct & incorrect trials. There are N=1194 paired samples $\{x_i,y_i| i=1,2,...N\}$, where x is for correct trials and y is incorrect trials. I am using a ...
3
votes
1answer
69 views

Geocoded node map visualizers?

I'm looking to create a map like the one below for shipment volume between cities (which I have geocoded). I found the image below created in Gephi, however I'm wondering what other tools exist that ...
1
vote
1answer
67 views

Quick Exploratory Analysis of Categorical Data

Does anyone know of a tool (preferably free) that does quick analysis of exploratory data mainly categorical with date. Using R and Python I can create time series and histograms, perform tests such ...
2
votes
1answer
74 views
1
vote
0answers
26 views

Visualize comparison of two variables with small deviation in Tableau

What is the best way to visualize following variables: distributed around some high value with small deviation? Problem details: All the deviation is concentrated at the top of the chart, which is ...
0
votes
0answers
13 views

How to plot a linegraph in SPSS with respect to the data? [migrated]

Hi all, Above you'll see a line-graph plotted with SPSS. I want to improve this line-graph according to its data. Meaning that some elements are not presented correctly: (1) I deliberately ...
0
votes
0answers
37 views

Unsupervised learning algorithems to detect anomaly in waves

I have a sample of graphs (more then 10000...). that look like in the image below: I am searching an Unsupervised learning algorithems thet can help me to detect Anomaly observations. Here what i ...
0
votes
0answers
13 views

Singular Value Decomposition (data reduction) on non-numerical data

I have a large amount of data where each datapoint contains string valued attributes, for example: ...
1
vote
1answer
59 views

Customizing a graph with gray regions

I'd like to do a graph similar to this one with the gray regions to point the recessions in my graph. I have R and Excel and Stata, I'm simply trying to make it easy to distinguish the recessions by ...
0
votes
0answers
18 views

Create a density map with latitude and longitude

I am working on a data mining project for my class and would like to visualize some data. I basically have 20,000 instances and would like to create a density map based on house value. I have ...
1
vote
1answer
20 views

Should ROC and Precision-Recall axes be rotatated to 45%?

When we see a line plot it is almost always displays a causal relationship of a dependent variable on the y-axis plotted against the independent variable on the x-axis. However, ROC and P-R curves ...
2
votes
2answers
80 views

Transfer function in forecasting models - interpretation

I am occupied with ARIMA modelling augmented with exogenous variables for promotional modelling purposes and i have hard time explaining it to business users. In some cases software packages end up ...
1
vote
0answers
32 views

Alluvial diagram classification

How would you classify this diagram? To my mind it's probably best described as a static network time-series alluvial, but I'd appreciate a second opinion as all other examples I've come across (for ...
3
votes
2answers
182 views

What is the name of this cumulative plot?

This may come off as a silly question, but I am having a hard time identifying the name of the following cumulative plot. For example, say I have the following data: ...
3
votes
1answer
56 views

Is there a way to plot an average a set of time series that minimises 'temporal smearing'?

Let's say I have n time series datasets, each of which displays a very similar pattern—perhaps an essentially flat line with a pronounced bump somewhere in the middle—and I want to display them all ...
0
votes
0answers
43 views

Plotting a graph in R that features several dependent values for every independent sample point

A class has 40 students. Each student has submitted 14 homework assignments. Each submission was given a grade in the set {1, 2, 3, 4, 5}, with 5 being the grade given to excellent submissions and 1 - ...
5
votes
2answers
67 views

What's a good way to represent a complex timeline?

My wife is a novelist, now working on her fourth book. The books aren't a series in the sense of featuring the same main character, but they all take place in the same town, and some main characters ...
0
votes
1answer
43 views

graphical representation of fixed effects from lmer

I have run a lmer model in R: ...
0
votes
1answer
27 views

prediction from panel regression

My question is simple (code and data at the bottom): suppose I run panel data regression (fixed effects using first differences) and I want use the estimate to generate prediction for a given data (a ...
1
vote
0answers
22 views

Visualizing time spans on a timeline as a horizontal histogram / bar chart [migrated]

I have a csv table of 6 events and the time span of their occurrence. My variables are begin date, end date, and event-ID. I intend to create a horizontal histogram / bar chart visualization that ...
3
votes
3answers
153 views

What are some popular choices for visualizing 4-dimensional data?

Say I have the following four dimensional data, where first three can be considered as coordinates, and the last one can be considered as values. ...
4
votes
2answers
86 views

Should we remove axis and use direct label on scientific chart?

Many people will agree with the Less is more gif. However, I read someone states that in scientific chart, you should not remove axis or use direct label. But I don't know why, I see no reason to ...
2
votes
1answer
61 views

Do I really need to put unit on the graphic?

I would like to add unit on this graphic: As stated in many sources, I should place as much of the required information within the figure itself. Unit is a (very) important information so therefore ...
3
votes
1answer
49 views

Comparing date ranges on one graph

I am having trouble figuring out how to display multiple date ranges, stacked on the same graph. I'm using c3js which has proven great so far, and relatively easy to get it to do what I want. The ...
0
votes
0answers
62 views

Data Research Tool For Statistical Analysis and Data Exploration

I'm about to embark on a data analysis project that will involve the following activities: Build a database that includes approximately 5 to 6 tables (sql) or collections(nosql) Building queries for ...
1
vote
0answers
16 views

What's the proper y-axis label for an empirical cumulative distribution plot in a publication?

Examples online typically write "F(x)", but that seems confusing to readers.