Questions tagged [plotting]

Use for questions about graphing a dataset into a visualisation (e.g. line plot, histogram or pie chart). Visualisation and plotting is an important EDA tool as well as presenting the results of a data science project.

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1answer
15 views

Why must x and y axis be the same length?

I am getting started with visualization, but right at the start I am having a serious conceptual problem. Repeatedly, I get the error ‘x and y must be the same size’ / ‘array must be the same length’ /...
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1answer
37 views

Is it a good idea to use parallel coordinates for visualising outliers? [closed]

I tried using parallel coordinates to visualize outliers. Is it fundamentally correct?
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1answer
27 views

Plot NaNs as a category seaborn countplot

I have a column in my dataframe which has 'True' as a value and all other values are NaNs (so there are no 'false' values). I want to plot a countplot for the said data in seaborn but want to include ...
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0answers
9 views

Orange Datamining don't plot lines along the dates

Why Orange don't plot the line along the dates from the following table? I have two columns, confirmed (numeric) and data (time). But plot line doesn't appear along the dates. It seems to me that it ...
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1answer
40 views

What is the meaning of the bubbles / spikes in the shap values ​plot?

Here are an example of shap values plot from here. How to interpret the 'bubble' or 'spikes' on this shap values plot I highlighted in yellow color?
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1answer
48 views

How can I plot a line for time series data with categorical intervals in R

I am working with single time-series measurements that I want to plot for the time window of about 1 week. This is the data I am working with. This is my R script: ...
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1answer
25 views

Strange plot on a simple dataframe Rstudio

I don't usually use R and I'm having trouble with a simple plot from a dataset. I just wanted to make a scatterplot and look at the values, but it keeps ploting a strange "box" thing which I ...
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1answer
728 views

How to plot the bar charts of precision , recall and f-measure?

I have used 4 machine learning models on a task and now I am struggling to plot their bar charts just like shown below in the image . I am printing classification report to get precision , recall etc ....
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1answer
36 views

Hi, im currently working for a company that has some inventory control problems

First, I was asked by the manager to make a plot showing produced vs received items, its a multistage process so we are only in charge of one of the steps which is designing, I made the plot comparing ...
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2answers
63 views

Warning when plotting confusion matrix with all sample of one class

I have two arrays: the first one with all the correct labels (they are all set to zero since each sample belong to the same class) and another one with all the labels predicted by my neural network. ...
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1answer
70 views

Plot overlapping time series [closed]

I'm trying to plot my test set and test set predictions to check the differences and see how my autoencoder reconstructed the data, but since I have a test set 30x10 I have a huge visualization ...
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2answers
31 views

Dealing with zeros when plotting log-scaled data [closed]

I have a non-negative variable and I'd like to plot it, log-scaled I'm trying to understand how to deal with 0-values. One naive idea I had in mind is just to add <...
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1answer
40 views

Showing standard deviation for training curve

I am training a neural network and I wanted to plot the evolution of different metrics (MSE…) during training. To get an idea of the variations between between different trainings, I am using several ...
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2answers
97 views

Maximum Likelihood estimation

Given a sample $ X_1,X_2 \dots X_{100}$ and the density function $ f(x;\theta) = \frac{1}{\pi \cdot \left(1+\left(x-\theta \right)^2\right)}$ , find an approximate solution for $\hat{\theta}_{MLE.}$...
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0answers
23 views

How to add time as a feature into word embeddings?

I have a text corpus and I'm using TfidfVectorizer. Would it be possible to cluster the resultant matrix once I concatenate tf-idf vector and time feature matrix I built([year, month, day])? I'm also ...
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1answer
13 views

How to create a general plot for this problem

I would like to have some ideas about each customer depending on how many products he sells each month. We have created a new feature X based on some other features....
2
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1answer
96 views

Understanding and find the best eps value for DBSCAN

I'm trying to run the DBSCAN algorithm on this .csv. In the first part of my program I load it and plot the data inside it to check its distribution. This is the first part of the code: ...
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1answer
8k views

how to create multiple subplots( scatterplot) in for loop

I want to create scatterplot of target variable with all the other variables in dataframe. Just like we create pairplot but as pairplot with large number of variables will take lot of time and ...
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1answer
626 views

Plotting multiple precision-recall curves in one plot

I have an imbalanced dataset and I was reading this article which looks into SMOTE and RUS to address the imbalance. So I have defined the following 3 models: ...
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1answer
336 views

How to add a filter/query/condition in Plotly [closed]

I want to add a condition to the column where attractionName.value_counts() >=165. How can I add a query/filter/condition to a DataFrame before I plot the data. <...
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1answer
48 views

Data visualization on three factors

I have three factors, Income(from source A),continuous variable Income(from source B), continuous variable Happiness index,continuous variable Suppose I have 500 samples. My goal is to show the ...
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1answer
27 views

Time Series Plot for floating values

I have a Dataframe which looks as shown below I am trying to make a line plot for looking at the peaks for both columns (a,b), I have gotten as far as ...
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0answers
113 views

How to plot centroids and clusters resulting from a KMean model based on a text variable

I hope you can help as after several attempts, I'm no longer sure I can get a decent result. I have a text corpus made of several documents, like the one below (which has been simplified for the sake ...
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1answer
50 views

Differences between pseudocolor plot and heatmap?

I found some materials using the word `pseudocolor plot' and I think that it's just a heatmap. Is there any difference between them?
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3answers
569 views

What is this type of plot and how to interpret it?

I was presented to this plot and i've seen it before, however i would like to know what does the countour around the main line mean. Ps: i couldn't find enough information about it to investigate by ...
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2answers
20 views

3D visualisation and post analysis tool

I am looking for a 3D plotting and post analysis tool, specifically which can generate figures like the following. It is preferred the tool has a Linux distribution. The figure is copied from here.
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0answers
50 views

how can i plot a stacked bar chart by year with two values(columns)?

not sure if this is correct medium, but i am having trouble plotting this simple data: how do i get the graph below - aplogies for this poor picture. basically i want it stacked with the risk label ...
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1answer
209 views

plot gridsearch csv results how?

how can i plot my results from gridsearch csv? ...
2
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1answer
38 views

Plot three series on the same plot grouping data by day and month

I have a dataset containing three years of data which I would like to plot and compare by date and month; but, I am having a hard time with the final result. I am nearly there, but for some strange ...
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1answer
54 views

Plotting grafic result

I am learning how to plot data. I am trying to obtain this grafic result on my dataset. The thing is, I can't do it. The cool plot is from a kaggle's kernel, which code is: ...
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0answers
1k views

Overlay Bar Plot

I am trying to turn the first overlay bar plot into the second which allows for comparison of 2 variables instead of just one. Included my current code below which creates the first chart comparing ...
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1answer
550 views

How to generate plot of reward and its variance?

I am new to reinforcement learning and I would like know how to generate a learning curve plot such as that shown below (taken from this blog post), that illustrates the reward (return) and its ...
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1answer
22 views

Having and issue plotting horizontal chart

So for some weird reason I can't manage to fix the plotting issue Any suggestions? ...
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1answer
21 views

Smoothing or averaging plots to better represent trends and their variations

My picture looks like this. It shows some percent variation but, due to fluctuations, curves are not very smooth at all. I would like to draw a smoother image, without altering too much the data (it ...
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1answer
49 views

Three Staggered Values - Visualisation?

I have 3 process parameters that independently cycle between zero and some peak value, as shown on this filled line time-series plot: Although not a direct control variable, the 'health' of the ...
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0answers
229 views

How to add x and y error bars on a Bokeh python scatterplot?

I have a bokeh scatterplot which I would like to add error bars in both the x and y direction. Is there any way to easily add this to each data point on the graph?
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0answers
29 views

Understanding lag plot ,ACF plot and auto-correlation plots

I have a data-frame of 2809 rows which is an unevenly spaced time-series ...
3
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0answers
460 views

Plotting Gradient Descent in 3d - Contour Plots

I have generated 3 parameters along with the cost function. I have the $\theta$ lists and the cost list of 100 values from the 100 iterations. I would like to plot the last 2 parameters against cost ...
3
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0answers
23 views

Visualizing the difference of a set of strings

I have a distance metric on a collection of strings on the order of tens of thousands. What would be an intuitive way to summarize how 'different' these strings are or when they overlap? My goal is, ...
2
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1answer
141 views

Visualizing categorical data in scatter plot with Orange (version > 3.18)

Why in Orange versions after 3.18 is not possible to visualize categorical data in Scatter Plot widget?
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0answers
135 views

Data Visualization of Feature Distribution Plot

I have been trying my best to plot this type of feature distribution plot using Python. I looked for what they are called to replicate the plot, but couldn't find the name of it? The Reference of ...
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2answers
68 views

Plots of data using DBSCAN algorithm not making sense

I am using clustering for my data. Since the DBSCAN algorithm will also tell me an estimate of clusters that I can use, I have used DBSCAN. I have tried for the ...
4
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1answer
2k views

How to interpret Shapley value plot for a model?

I was trying to use Shapley value approach for understanding the model predictions. I am trying this on a Xgboost model. My plot ...
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1answer
295 views

Why am I getting misaligned values while plotting heatmaps using seaborn?

While plotting heatmaps using seaborn, the numbers are getting printed on the boundary of the heatmap (Please see the image attached). I have already plotted heatmaps many times using the same code. ...
3
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3answers
78 views

How best to show the best model over multiple labels?

I have 4 models I trained and I want to display their prediction success over 45 different labels I tested them on. I get a very messy plot when I naively try to place them one on top of the other. ...
1
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1answer
2k views

How to plot time series data from SQLite database

I am trying to plot time series data by accessing the SQLite database. I successfully connect the database by coding the below script,however, i couldn't figure out how to plot the time series data ...
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0answers
2k views

How to interpret pairplot?

There are 2 sns.pairplot, tell me how to interpret them. As I understand it, sns.pairplot allows us to look at the diagonal distribution of these signs, and on the non-diagonal linear relationship ...
2
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0answers
63 views

Using a KMeans to classify URLs: validate the number of cluster and visualise

I'm relatively new to the NLP and DataScience, so apologies for omission or things like this. I've been trying to use the KMeans to classify a list of 1000 of unique URLs containing several keywords ...
2
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2answers
3k views

How to avoid overfitting in Reinforcement Learning

I have implemented a RL model based on Deep Q-Learning for learning how to play a 2D game, like the ones in the OpenAI Gym. For testing the model, unlike most people, I have chosen to evaluate its ...
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0answers
23 views

Interactive heatmap slice as separate plot for browser

I want to create an interactive online version of a static plot I generated with gnuplot5. I have limited experience with generating dynamic plots for webpages and need a rough direction where to go ...