Questions tagged [scatterplot]

Pairs of (x,y) values plotted as points in Cartesian coordinates. Widely used as an exploratory and diagnostic tool.

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25 views

How to plot categories after clustering

I am trying to plot the categories I have obtained via DBSCAN on a 30-dimensional dataset 12 categories, and I want to visualize them in a 2d plot. My procedure was to reduce that 30-dimensional ...
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1answer
48 views

In making scatterplot for correlations between two continuous variables, can we use the choice cubic instead of linear choice [closed]

In making scatterplot for correlations between two continuous variables, can we use the choice cubic instead of linear choice in "create a fit line at total", as shown in the copied Figure, please? ...
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Rationale for elliptical region of correlations in gene expression data

I am analysing an RNA seq data set and I am trying to look at correlation between expression values of significant genes in 4 different biological duplicates and their clinical parameters. Here, I ...
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1answer
26 views

Graphing a fit line through existing scatter plot [closed]

I've got a scatter plot of two continuous variables and they are labelled 0 or 1 depending on a third binary variable. I would like to draw a fit line through the 0's and the 1's on my scatter plot. ...
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8 views

Cluster shows no specific trend, more robust techniques needed? or would it just be not having enough predictive data

I have been working on an ML model, the data is about user customer desk tickets. To start easy, I decided to classify (if possible) users who are likely to raise support tickets. My positive class is ...
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30 views

… This is random, right? [closed]

The X and Y axis are predictor variables, and the response is 1 (the + sign) or 0 (the circles). I shouldn't explore this further, right? There's no way to predict for 1's?
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1answer
40 views

Determining which variable is the cause and which one is the effect

I'm working on my assignment and I'm a bit lost. So the assignment requires us to draw a scatter plot based on data that we collected online. The purpose of the assignment is to see if higher earnings ...
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23 views

Finding Patterns In a 3D Plot

I am starting to use 3D graphs to visualize relationships in my data. The reason I am doing this is to try and maximize my predictor variables. Since I am working with financial data the relationships ...
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38 views

How can I make a scatterplot with two grouping variables (group and subgroup)? [closed]

I'd like to make a scatterplot with my dependent variable (scores on test A) on the y-axis, age (continuous) on the x-as and group (autism vs. control) as grouping variable, but also subgroup (people ...
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1answer
30 views

Interpretation of scatterplot of rank of variables

I am unsure how to interpret the second of two scatterplots I created. The first scatterplot shows a slight negative correlation between the variables (n=14, population not sample). This ...
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1answer
38 views

Relationship between the variable on X-axis with the one on Y-axis

I have two graphs here and I would like to know if there is a relationship between the variable on X-axis with the one on Y-axis of each of the graphs.
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1answer
89 views

How to eliminate the influence of heteroscedasticity

As I want to find an approximately linear relationship between $x$ and $y$, how to transform this scatter plot with heteroscedasticity into an approximately linear model? If this cannot be ...
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3answers
64 views

What can I do to improve this plot to get a better idea of what the correlation is like in my data?

In R I've typed the following code to get my scatterplots but the plots are all very bunched up: ...
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2answers
35 views

check for noncorrelation of normal pseudo random numbers using scatterplot

pseudo random number generators should give as output random sequences u1, u2, ... that are independent and identically distribuited (iid). Since testing for independence is not easy, the first check ...
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18 views

when to give up in fitting a variable? [duplicate]

I would like to predict a variable from 5 features. I have bad scores (<50%) with all the algorithm I tried (Random Forest, Lasso, SGD, MLP). I would like to quantitatively assess if I should ...
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1answer
214 views

Should I do a regression analysis even if the variables do not seem to be associated at all?

One of my hypotheses is that Variable A and B predict Variable C, so I want to perfom regression analyses. My questions for this example: 1) Should I perform two separate simple linear regressions or ...
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21 views

Interpreting Non-Linear Relationship from Scatter Plot

The scatter plot that I have seems very likely to have a non-linear relationship. I would like to know what is the best way to explain the relationship between both variables in the scatter plot below ...
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1answer
59 views

Scatter Plot - Basics [closed]

I am stuck in understanding a basic scatter plot. I am working in two dimensions i.e. there are two variables X & Y. So, the question is that in the scatter plot, what do the two axes mean? ...
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16 views

Plotting series of numbers while protecting privacy

I have 2 series of numbers e.g x=[1,3,4,6,9] y=[100,179,210,400,650]. I want to plot them and show that plot in a manuscript. However, these numbers represent some private information and hence I don'...
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42 views

How histograms help in understanding data and what roles do they play in selecting features before creating a model

I am new to machine learning and what ever I study related to it has an advice that we should understand the data and select features wisely before start creating the model. For this they demonstrate ...
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37 views

scatterplot in 3d

I have several points in $\mathbb{R}^{3}$. When I create a 3D scatterplot of the points, they seem to lie on an ellipsoid as shown in the above plot. How do I interpret the plot ? Does it indicate ...
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14 views

Explanation of Spearman values

please check if I understood correctly. (for your information 1- youngest, 7-oldest) Spearman's rho informs that the correlation is negative, which means the older the age group the less points it ...
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1answer
352 views

Is it good to plot a scatterplot with weird regression line? [closed]

Am a beginner in data analysis and i feel that something about these graphs are wrong. Am not sure that the outliers are the issue or am doing this the wrong way. Thanks for the help
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37 views

Density boundaries in a scatter plot

Let's say I have a scatter plot with (X, Y) real numbers. Looking at the scatter plot I see a clear boundary, a curve or a line that I could sketch so that the density of points below the line is ...
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26 views

Scatter plot and mathematical analysis

I gathered data and with the results created a scatter plot, however, the only analysis I have done is just by analysing the graph without showing any mathematical terms. Is it possible to analyse ...
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1answer
660 views

How to interpret a vertical/horizontal scatter plot?

This is a scatter plot of observations of the two variables indicated on the axes. How do you interpret it? My understanding of correlation/scatter plots comes from this standard explanatory image: ...
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1answer
73 views

proper way to scale and plot data points on top of each other

I hope this is the right place that I am posting this question. If not please feel free to comment so that I find the right place. I have 4 sets of points that represent points on hexagons. My data ...
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10 views

How to create a scatter plot & regression line with the model-implied results (instead of raw data)

i am trying to create a scatterplot (x = personality, y = well-being) with regression lines for neuroticism and extraversion. I have tested this with longitudinal well-being data. Now I would like to ...
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22 views

Bootstrap resulted in something that looks like a mixed distribution. What do?

TLDR Bootstrapping resulted in a crazy scatterplot. Totally clueless here. I have a dataset (not going to say much about it, it is a bit confidential), running a Markov chain-based algorithm on the ...
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0answers
32 views

plot two groups of wind direction [closed]

I have two groups of wind direction and I want to use spoke plot in R peogramme I search about it in R programme using ?spoke plot but i cant found any information . for more detials the first ...
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2answers
85 views

How to partially compress domain of a scatter plot?

I am not sure where should I place this question. It is a more general question. My question is: I have scatter plot with 1 million points. I am using R to plot my data. When I plot my data points, ...
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2answers
4k views

Which statement is correct? [closed]

I know the correct answer is number 4, but can someone explain why?
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1answer
947 views

When adding jitter a scatterplot for conveying information is appropriate

"Jittering" is adding a bit of random noise to scatterplots, to better see the information contained in the data, usually when there is a lot of overplotting. This overplotting can result from e.g. ...
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1answer
126 views

Intuition behind normal probability plots?

I'm studying for an exam in experimental design. I know from previous exams that I will need to construct normal probability plots manually but strangely, this hasn't been mentioned in the literature. ...
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1answer
158 views

Correlation, Scatter graph [closed]

I have river flow rates for two separate rivers The data produced this scatter graph for both rivers https://i.imgur.com/jVnWF3t.png What is the best type of correlation to use here? Spearman, ...
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1answer
128 views

Which type of correlation should I use here? [closed]

For this data, I am looking at the relationship between bee population (1000s of bees) and area of genetically modified crops (km2). I have generated a scatter graph using this data: Question: What ...
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2answers
543 views

How to represent the probability of a point belonging to a cluster?

I want to do a scatter plot with a two-dimensional dataset. Suppose I have only 3 clusters. Then, I could assign each cluster a color of these: red, green and blue. If soft-assignment was made, then ...
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1answer
143 views

What is this visualisation called? Scatter plot with quadrants and confidence intervals

This is a question about data visualisation - I am sorry that it is probably quite elementary and possibly only just relevant to CrossValidated. I would like to create a figure that will help people ...
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47 views

Visualizing clustering on 2D binary data [duplicate]

I have a 2D binary array (size 1445 by 120), which I have clustered into 10 clusters using Python's AgglomerativeClustering method. Each of the 1445 samples is given a cluster index of a number from 0-...
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21 views

Get rid of the disrupting points

Here on the following picture, we can identify two clouds. We can identify a lot of points that are out of the two clouds and can disrupt a bit the the training and test accuracy (%). Is there an ...
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2answers
15k views

How to plot binary (presence/absence - 1/0) data against continuous variables [duplicate]

I am trying to plot presence/absence (1/0) of a sample species against various environmental variables. I have put presence/absence on the y-axis and the environmental variable (in this case ...
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3answers
186 views

Meaning of this scatter plot

I have two types of treatment, a and b, and I want to know if one is more painful than the other. I can apply both treatments to each patient, and ask for the pain experienced with each on a scale 0-...
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0answers
31 views

Time graphics (and time is not a dependent variable!)

I have a dependent variable that are correlated with the passage of days (1, 2, 3, ...). But I fitted a linear model without days/time, because I am more interested in other things I can influence ...
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2answers
99 views

Do “splits” in scatterplots indicate anything?

Background I'm exploring how 7 system parameters spanning mechanical, electrical, and physical (size) properties are related. I gathered the 7 specs of 36 different systems, and I plotted every ...
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1answer
475 views

How to interpret draftsman plot

I've conduct some draftsman plot to find the correlation between variables. And I got this kind of result. But I don't understand how to interpret the data. What is the different between the color? ...
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0answers
275 views

Get rotation of noisy rectangular 2d point cloud with pca

I have a set of point clouds in nd space. The clouds tend to be rectangular in nature in 2d space but can easily have outliers or look slighly L shaped. I would like to rotate the point clouds so that ...
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2answers
56 views

Test for relationship between variables

I want to describe the relationship between pairs of continuous variables. I know this is commonly done just by looking at a scatterplot, but I think this is not appropriate for my problem, because (1)...
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0answers
160 views

How could forcing my regression line to go through the origin increase the R^2? [duplicate]

I created the scatterplot on the left in Tableau and ran the regression line, which resulted in an R^2 of 0.63 (confirmed this in excel as well). Then, I used the "Force y-intercept to zero" option ...
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1answer
275 views

Is there a specific name for this plot?

This plot represents the popularity of technologies in two "tools", vue and react. In left-top corner are specific technologies for vue but not for react, right-top technologies popular in both tools ...

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