QC15_TimeChangeRange

Mark abnormal time series data points exceeding maximum change range thresholds.

541|171|Updated May 3, 2018
One-click install
npx skills add https://github.com/cas-bigdatalab/piflow --skill qc15-timechangerange
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: QC15_TimeChangeRange
Source: https://github.com/cas-bigdatalab/piflow/tree/main/workspace/skills/QC15_TimeChangeRange
Command: npx skills add https://github.com/cas-bigdatalab/piflow --skill qc15-timechangerange

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pandas, and includes scripts (resource) and assets (resource) components.

What problem does it solve?

This Skill addresses the challenge of identifying and marking异常 data points in time series data that exhibit abrupt changes within a specified time window.

Core Features & Use Cases

  • Time Series Data Analysis: Analyzes time series data to detect unusual fluctuations.
  • Threshold-Based Anomaly Detection: Marks data points where the difference between consecutive values exceeds a predefined threshold.
  • Use Case: This Skill is ideal for quality control in data analysis, where it can be used to flag potential issues in data such as temperature, pressure, or other time-sensitive metrics.

Quick Start

Execute the QC15_TimeChangeRange skill on the 'sensor_data.csv' file, setting the output path to 'output_data.csv' and defining the conditions for maximum change range inspection.

Frequently Asked Questions about QC15_TimeChangeRange

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect anomalies in time series data using a maximum change range threshold?

Time series anomaly detection with maximum change range marks data points where consecutive value differences exceed a predefined threshold. It identifies abrupt fluctuations for quality control in metrics like temperature or pressure.

What file formats can I use for time series anomaly detection with pandas?

For time series anomaly detection, you can load CSV, TSV, Excel, and SPSS file formats. The Skill requires Python and the pandas library to process these inputs and identify abnormal fluctuations.

Does this time series quality control tool require any specific Python dependencies?

Yes, this time series quality control tool requires the pandas library. You need a Python environment with pandas installed to execute the data processing and anomaly detection scripts.

What is the best way to identify sudden data spikes in a sensor time series?

The best way to identify sudden data spikes in a sensor time series is threshold-based anomaly detection. It calculates differences between consecutive values and marks points exceeding a specified maximum change range.

When should I use maximum change range inspection for data quality control?

Use maximum change range inspection for data quality control when you need to identify abrupt changes within a specified time window. It is ideal for flagging issues in time-sensitive metrics like temperature or pressure.

How do I execute a maximum change range inspection on a CSV file?

To execute maximum change range inspection on a CSV file, run the Skill by specifying your input file path, setting an output path, and defining the threshold conditions for detecting abnormal data points.