Dataset management - PowerPoint PPT Presentation


Data Cleaning

Data cleaning is the process of fixing or removing incorrect, duplicate, or incomplete data within a dataset. It improves data quality, ensuring accurate and reliable information for decision-making. Learn why data cleaning is necessary and the essential reasons to clean your data.

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HyPoradise: Open Baseline for Generative Speech Recognition

Learn about HyPoradise, a dataset with 334K+ hypotheses-transcription pairs for speech recognition. Discover how large language models are used for error correction in both zero-shot and fine-tuning scenarios.

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Python-Based Model for SQL Injection and Web Application Security

The research focuses on combating SQL injection attacks in web applications using a Python-based neural network model. By training the model on a dataset and conducting blind testing, it achieved up to 81% accuracy in detecting malicious network traffic. This innovative approach aims to enhance cybe

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Veterans Covenant Healthcare Alliance (VCHA) Initiative Overview

The Veterans Covenant Healthcare Alliance (VCHA) is collaborating with the Defence Medical Welfare Service (DMWS) to improve healthcare access and outcomes for the armed forces community. The initiative aims to establish a core reporting dataset, reduce variation, and enhance service quality in line

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Understanding UKMOD: UKHLS Input Data Analysis

UKMOD-UKHLS is a versatile dataset derived from the UK Household Longitudinal Study (UKHLS) for policy years 2010-2019. It aims to provide valuable insights for longitudinal analysis in the UK. The dataset undergoes meticulous processing to align with policy years, address data gaps, and deliver acc

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Understanding Supervised Learning Algorithms and Model Evaluation

Multiple suites of supervised learning algorithms are available for modeling prediction systems using labeled training data for regression or classification tasks. Tuning features can significantly impact model results. The training-testing process involves fitting the model on a training dataset an

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Understanding Pattern Recognition in Data Science

Explore the concept of pattern recognition through chapters on pattern representation, learning objectives, KDD process, and classification. Dive into the Iris dataset and learn how patterns are represented and classified based on their attributes.

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Do Input Gradients Highlight Discriminative Features?

Instance-specific explanations of model predictions through input gradients are explored in this study. The key contributions include a novel evaluation framework, DiffROAR, to assess the impact of input gradient magnitudes on predictions. The study challenges Assumption (A) and delves into feature

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Gwendolyn Brooks Library Usage Statistics with Springshares LibInsight

Gwendolyn Brooks Library utilizes LibInsight's E-Journals/Databases Dataset to streamline the collection and analysis of usage statistics for reporting to ACRL, IPEDs, and university administration. The tool offers various features such as storing login information, different levels of permissions,

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Understanding Partition Values in Statistics

Partition values such as quartiles, deciles, and percentiles play a crucial role in dividing a dataset into various segments for analysis. Quartiles split the data into 4 equal parts, deciles into 10 parts, and percentiles into 100 parts. These values help in understanding the distribution of data a

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National Geospatial Information Management Strategy Action Plan Update

The National Geospatial Information Management Strategy Action Plan Update outlines five strategic goals focusing on governance, data, access, interoperability, and development. Under each goal, multiple action points are detailed, including reviewing council roles, updating legislation, coordinatin

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Korean Peninsula Issues and US National Security Polling Findings

This polling dataset explores various questions related to the Korean Peninsula issues and US national security. It delves into topics such as the stances of the Biden and Moon administrations towards the Kim regime, potential agreements to address North Korea's nuclear issues, success of the Korea

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Setting up and Running Postal Code Conversion File Plus (PCCF+) - Step-by-Step Guide

In this detailed guide prepared by Statistics Canada, you will learn how to set up and run the Postal Code Conversion File Plus (PCCF+). The process involves creating an input file with unique identifiers and postal codes, producing a new dataset, saving it for import, importing the data to SAS, tra

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Geospatial Portfolio Management and NGDA Themes Overview

Explore the roles and responsibilities of Theme Leads, Dataset Managers, and the Investment Collaboration Process in Geospatial Portfolio Management. Understand the significance of National Geospatial Data Assets (NGDA) Themes, Theme Lead Agency roles, and the proposed NGDA Themes for effective port

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Effective Data Management in the New CountrySTAT Platform

Streamline data management processes in the new CountrySTAT platform through training focal points on the CountrySTAT/FENIX system. Learn the ins and outs of the Data Structure Definition (DSD) editor, data uploading, and dataset editing. Explore the workflow for creating and publishing tables, ensu

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Active Object Recognition Using Vocabulary Trees: Experiment Details and COIL Dataset Visualizations

This presentation explores active object recognition using vocabulary trees by Natasha Govender, Jonathan Claassens, Philip Torr, Jonathan Warrell, and presented by Manu Agarwal. It delves into various aspects of the experiment, including uniqueness scores, textureness versus uniqueness, and the use

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Ocean Platform Data Management Guide

This guide provides information on WMO identification numbers, station metadata, ERDDAP data retrieval, and NetCDF requirements for ocean platforms. Learn about requesting WMO IDs, station details, dataset retrieval, and NetCDF formatting. Essential for managing and accessing ocean data effectively.

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Machine Learning Techniques: K-Nearest Neighbour, K-fold Cross Validation, and K-Means Clustering

This lecture covers important machine learning techniques such as K-Nearest Neighbour, K-fold Cross Validation, and K-Means Clustering. It delves into the concepts of Nearest Neighbour method, distance measures, similarity measures, dataset classification using the Iris dataset, and practical applic

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Enhancing Image Disease Localization with K-Fold Semi-Supervised Self-Learning Technique

Utilizing a novel self-learning semi-supervised technique with k-fold iterative training for cardiomegaly localization from chest X-ray images showed significant improvement in validation loss and labeled dataset size. The model, based on a VGG-16 backbone, outperformed traditional methods, resultin

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Risk Management & MPTF Portfolio Analysis at Programme Level for UN Somalia

This session delves into the world of risk management and portfolio analysis at the programme/project level, specifically focusing on the Risk Management Unit of the United Nations Somalia. It covers enterprise risk management standards, planned risk management actions, the role of RMU, joint risk m

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General Medical Imaging Dataset for Two-Stage Transfer Learning

This project aims to provide a comprehensive medical imaging dataset for two-stage transfer learning, facilitating the evaluation of architectures utilizing this approach. Transfer learning in medical imaging involves adapting pre-trained deep learning models for specific diagnostic tasks, enhancing

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Best Practices for Dataset Handling in Machine Learning Projects

Proper dataset handling is crucial in machine learning projects. Use publicly available datasets with train/dev/test splits or create your own. Be cautious of overfitting by utilizing independent validation and test sets. Avoid touching the test set until final evaluation to prevent overfitting. Mai

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Insights from Avengers Dataset

Dataset analysis of Avengers' appearances, gender, status, and years since joining. Obtained from data.world, the dataset consists of 173 records capturing various details about Avengers characters. Methods for examining appearances, gender distribution, status types, and years since joining were ap

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Understanding Measures of Central Tendency in Math

In mathematics, the average, median, mode, and range are essential measures of central tendency used to organize and summarize data for better understanding. The mean refers to the middle value of a dataset without outliers, while the median is the middle number when the data is ordered. The mode re

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Understanding Network Management Processes in Computer Networks

Network management processes play a vital role in maintaining the efficiency and security of computer networks. This includes fault management, configuration management, accounting management, performance management, and security management. Syslog, a standard for computer message logging, is utiliz

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Considerations on Using CernVM-FS for Datasets Sharing

CernVM-FS is a read-only file system facilitating the distribution of experiment software to grid worker nodes efficiently. This technology allows for easy software deployment and sharing across various research communities, making it a reliable option for dataset management and collaboration.

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Planning Agricultural Activities Along Atbara River in Sudan

Development of agricultural activities along the Atbara River in Sudan necessitates careful consideration of water quality downstream. Measurements must be collected to calibrate a model for effective planning. Parameters such as temperature and flow rates need to be estimated, requiring a substanti

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WikiQA Dataset: Open-Domain Question Answering Challenges

WikiQA Dataset provides a challenge for open-domain question answering, focusing on identifying answers from large-scale knowledge bases such as Freebase and high-quality text sources like Wikipedia. The dataset includes questions sampled from search engine query logs, with candidate sentences sourc

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Open-Domain Question Answering Dataset WikiQA Overview

This content discusses the WikiQA dataset, a challenge dataset for open-domain question answering. It covers topics such as question answering with knowledge base, answer sentence selection, QA sentence dataset, issues with QA sentence dataset, and WikiQA dataset details. Various aspects of open-dom

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Understanding YouTube Video Trends: Dataset Analysis by Grace Dimmer

Explore the factors influencing YouTube video trends through the analysis of the dataset compiled by Grace Dimmer. The project delves into the challenges, insights, and future possibilities associated with deciphering the dynamics of trending videos on YouTube. From data overview to analysis techniq

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Early Drowsiness Detection Dataset and Baseline Model

This study introduces a realistic dataset and temporal baseline model for early drowsiness detection, addressing the critical issue of drowsy driving that leads to numerous accidents and fatalities each year. By analyzing physiological measurements and human behavior, the research aims to improve de

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Association Between Maternal Education and Maternal Age in GLM Analysis

In this lecture on Generalized Linear Models in R, the focus is on examining the association between maternal education and maternal age using a dataset on births. The process involves creating a factor variable for maternal education levels, filtering a smaller dataset, visualizing the univariate r

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Detecting Performance Anomalies in Cellular Networks via Regression Analysis

The study focuses on detecting performance anomalies in cellular networks using regression analysis. It addresses challenges such as labeling, rare anomalies, and correlated factors. The tool CellPAD is introduced for anomaly detection, supporting various prediction algorithms and offering insights

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Research Progress and Results in Image Dataset Analysis

Research progress and results in image dataset analysis including experiment outcomes, discussion on model performance, dataset analysis, and model training. The study covers topics such as analysis of kiwi leaf trips and spots, model ensemble techniques, teacher-student learning, and the effectiven

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Educational Data Analysis in North Carolina Elementary Schools

This dataset provides comprehensive information about math, reading, and science performance in various elementary schools in North Carolina. It includes data on grades, schools, and composite scores for different subjects. The images associated with the data show detailed breakdowns of performance

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Understanding mean, median, and mode in statistics

In statistics, the mean represents the average value, the median is the middle value that divides a dataset into two halves, and the mode is the most frequent value. This guide explains how to calculate these statistical measures and provides examples. Additionally, it demonstrates how to estimate t

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Multi-class Skin Lesion Segmentation for Cutaneous T-cell Lymphomas

This research focuses on developing a multi-class skin lesion segmentation method specifically for Cutaneous T-cell Lymphomas using high-resolution clinical images. The study introduces a new dataset, a novel method called Multi-Knowledge Learning Network (MKLN), and achieves state-of-the-art result

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EPrints Services Overview

Providing a comprehensive look into EPrints services including academic management, not-for-profit initiatives, software vision, key philosophy, metadata schema collections, and specific releases for publications, open education, and research data. EPrints also caters to dataset showcases and bespok

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World of Warcraft Character Analysis Dataset by Jinyuan Qiu

Explore trends in character levels, classes, and races in World of Warcraft using a dataset collected by Jinyuan Qiu in January 2009. The dataset covers character attributes such as level, race, class, and zone, allowing for analysis of gameplay patterns and common traits among characters.

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Human Activity Recognition from Millimeter-Wave Radar Point Clouds

Accurate human activity recognition (HAR) is crucial for context-aware applications. This study presents a framework utilizing mmWave radar-generated point clouds for HAR, addressing challenges related to privacy and sensors. Different machine learning approaches were evaluated, and a new open-sourc

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