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Questions tagged [dataset]

A dataset is a collection of data, generally represented in tabular form, with columns signifying different variables and rows signify different members of the set.

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Algorithm for finding the best traders

I have a data of 700,000 transactions of forex traders which use various tools for investments. For beginners i want to find the association patterns between following metrics performance / ROI ...
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PCA-like analysis for dataset that has both categorical and continuous variables

I have a dataset containing a categorical variable and multiple continuous variables. The categorical variables are coded as discrete integers, whereas the continuous variables are just a range of ...
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Python API for publicly available datasets

In my daily machine learning / deep learning workflow, I often want to interact with a dataset in my code. Specifically, I would like to be able to load some module / package which can make sure that ...
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Data repository on employee turnover based on Position [on hold]

We need a data-set that has information regarding the career progression and preferably the salary of the employee. For example: People move from the position of junior nurse to head nurse (junior ...
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Parts-of-speech info for CMU Pronunciation Dictionary?

Is there a database of parts-of-speech for the words in the CMU Pronunciation dictionary? Wordnet has parts-of-speech, and I can do a simple join on the word between CMUdict and Wordnet, but this only ...
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data analysis EDA issues, indent or type

I am a newbie in DS world, right now i am working on some EDA practice, and run into an issue here. Here is my code: Convert some columns to numeric values ...
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calculate days from a column to today in r

I have data set with a Date column, now i am trying to calculate duration in days from today to dates in date column with a new column named duration. I tried ...
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Releasing data with datajoint

I want to release some data along with a publication. The data are part of a long processing chain stored in MySQL and processed with datajoint. What is the best way to release the data such that the ...
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Algortihm for making predictions from minimal data

I am working with classification problem. I have a dataset with a lot of features. A lot of them can easily determine class. On production, I want to ask the user to provide me with only part of the ...
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Making inferences from incomplete data

I have data which have complete information. Each record has one class assigned. On production, I won't be able to get so many information from a user, so I want to create a model which will be able ...
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Where can i find Public Datasets related to Astronomy and other fields? [migrated]

I'm planning to do some research. Therefore, Appriciate if you could kindly help me to find out Astronomical datasets.
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Regional education data for France

I am looking for standardised test results for kids in the different French regions. Something like PISA, where these regional results exist for some countries (Germany, Spain, Saudi Arabia, Turkey …) ...
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Difference between IOB and IOB2 format?

I have to tag a dataset for NER. I came across conll2002/esp. What I understand so far, in IOB2 format if I want to tag '...
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Mathematical Representation of a High Dimensional Data Set

I have a data set which is composed of 240 observations/signals and every observation/signal have 101 features/attributes. The data set is given in below Image: This is just a single Matrix, y shows ...
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Deep learning: Training from COCO/imagenet weights or from a class-specific trained weights when classify 2 similar objects

I have a question about the possible outcome of a trained model. Imagine that I would like to classify 2 different models of Ferrari and the dataset of these 2 models is small (for example, a few ...
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Reuters RCV2 topic classes hiearchy

I have the Reuters RCV2 multilingual text analysis data set. I am trying to figure out the hierarchy between the topic classes. For example, in RCV1 we know that C11, C12, C13 .. C15 all are the ...
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Dataset with disproportionately more of a single label than any other

I'm using the data analysis software Orange to analyze rows of data with labels $\{H, T,L\}$. $T$ is the neutral state of the system I'm trying to model so data is almost always labeled with $T$. ...
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I got the following error : 'DataFrame' object has no attribute 'data'

I am trying to get the 'data' and the 'target' of the iris setosa database, but I can't. For example, when I load the iris setosa directly from sklearn datasets I get a good result: Program: ...
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What database should I use?

I am a high-school students who is learning about data science in his free time. I have gotten a neural network to work which is able to solve xor problems. My neural network uses sigmoid as the ...
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Writing a classier that puts extra weight on one label for supervised learning

I'm a beginner in Machine Learning and am playing around with Python scikit-learn. Given two hypothetical models, Doctors and Health Care Seekers Doctors: (size N = 15) ...
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Looking for large scale annotated multivariate time-series!

I'm looking for labeled large-scale multivariate time-series, such that for each sample the whole sequence is labeled. I especially look for multi-class datasets, and interested in both cases of big ...
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Time Series Autocorrelation Estimation

How do I find joint PDF f(xi,xj) needed for estimating autocorrelation from 1-D time series data X, using the kernel windowing technique? I am well aware of kernel windowing technique for estimation ...
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How to handle negative integer values in a data set?

Suppose we have a data set of fields with negative integer values. So can we consider that fields with negative values for further proceedings or do we need to ignore that fields? If we can consider ...
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Which features of a data set can be used for market campaigning using propensity scores?

A dataset contains so many fields in which there is both relevant and irrelevant field. If we want to do a market campaigning using propensity scoring, which fields of the data set are relevant? How ...
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Sacle lines and GOF stats for Metric MDS?

Sirs I am new to Orange3 and am getting to grips with Metric MDS - I think the paired links is inovative Usually MDS plots have scales at the bottom and left side but there do not appear to be present ...
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1answer
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High RMSE and MAE and low MAPE

I have used a few regression models on the same dataset and obtained error metrics for them as shown below, The RMSE(Root Mean Squared Error) and MAE(Mean Absolute Error) for model A is lower than ...
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Where to find Facial Visual Object Class

I am trying to make a face/head detection model using YOLO and darkflow. In order to do this I need a set of images peoples face annotated in Visual Object Class, VOC format. I would prefer data set ...
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What defines tidy data formatting in the tidyverse?

I'm working through a training video on beginner use of R. One of the features it points to is the "tidyverse". Here it defines tidyverse data as "Each variable must have its own column. Each ...
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Is there any publicly available dataset related to object recognition in physical security?

I am searching for a dataset made for object recognition with classes such as doors, locks, keys, padlocks etc. (not necessarily all of those). In general, objects related to physical security. After ...
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I need sources of interrogative, exclamatory, and imperative sentences

I am working on accumulating a large database of labeled sentences for several projects/experiments. At present I am only using Wikipedia and Project Gutenberg as sources of data. Between these two ...
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Good dataset for sentiment Analysis in Tickets for IT Support

I am working on Sentiment Analysis in Tickets for IT Support, But I have only seen the movie reviews and Twitter sentiment analysis which are not related to my work. I found a research paper related ...
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Reuters / RCV1 / RCV2 datasets

I am currently tackling a multi-label classification problem. Where can I find a benchmark comparison of model results using the datasets mentioned in the title? I am interested in other benchmarks, ...
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1answer
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Image dataset with timestamps?

I am starting an exploratory project to determine the time (of day) of which a photo is taken based on image features. I've done some research and downloaded a few databases hoping that "creation date"...
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Quantile regression with inhomogeneous density of points

I am working on a dataset that can be represented this way: We can see that the lower values on the y-axis are increasing linearly along the x-axis. I want to estimate the coefficients of this ...
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1answer
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tensorflow categorical data with vocabulary list - Expected binary or Unicode string, got [0,1,2,…]

I'm brand new to machine learning (having just completed the google machine learning crash course) and thought it would be good to try my hand at a Kaggle competition as a good starter to some real ...
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Best place for Bengin files for training a classifier?

Trying to train a Deep neural network classifier, and I got a big data set from virusshare.com, however I also need some normal (non-malware) files. Format must be a PE (x64 or x86). Does anyone know ...
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Git for Deep Learning - what are the best tools for versioning/tracking machine learning experiments?

I'm looking for a tool to track the results of several experiments/iterations in machine learning. Training a model can take days/weeks, so it's essential to track its performance and be able to ...
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Ordering scrambled 1D data sets by continuity

This is a cute little clustering problem that was probably solved a million times over, but I couldn't find a good reference for it. I have 20 1D datasets with 400 entries each. In the picture they ...
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Progress-report related dataset

Sorry if this post is in the wrong place. I'm looking for a dataset containing qualitative progress-reports, preferably in the context of project-management. For example: ...
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How to create speech commands data set

I am planning to create a speech recognition network that recognize few words (voice commands) and came across Speech Commands dataset from google. Apart from available dataset I am planning to add ...
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Looking for correlation between a big set of variables: divided in groups or all together?

I have a tiny classified dataset (2 classes and over 20 samples for each class) where I would like to find the highest pair-correlated variables. I doubt if I should mix both groups of samples and run ...
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Memory Run-out While Fetching Data

I am trying to reproduce deep video portrait(2018) and I'd already comprised model refererencing pix2pix(2017). I am borrowing V100 Volta 16GB GPU from the AWS and ...
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1answer
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250 Categorical values

I have a dataset which has only categorical values. As I came across a few articles people suggested that KNN / Random forest would work for dataset like this. Though in R it couldn't handle as if ...
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How to store strings in CSV with new line characters?

My question is: what are ways I can store strings in a CSV that contain newline characters (i.e. \n), where each data point is in one line? Sample data This is a ...
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Rather use many linear classifiers than one complex one for numerical data?

I need to classify machine data (sampled by the second) and I need a prediction if a signal is good, medium or bad every ten seconds. The data that I got from the machine at the moment look like this:...
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What are the possibilities with userdata from a vast panel?

I have a panel of a few thousand people that I regularly send surveys to. Throughout the years, I have gathered for every person (legally, of course) their address, age, gender, line of work, family ...
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How to find 4th point equidistant from 3 other points

For example, if a=100 , b =200, c=300, then what should be the 4th point equidistant to all the 3 points ie a,b,c. Similarly, is there is any solution for nth point equidistant from n-1 points. The ...
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Conversion of Interval data to ordinal data

I recently learned about Level of measurements and I am really confused in this MCQ where I think the right answer is a and d both. Lets say the three participants finished the race in 45 seconds,35 ...