Preparing Data For Machine Learning Using Process Automation

Dileepa Wijayanayake • April 2, 2024

Another day, another topic for discussion is preparing data for machine learning (ML). It is a critical step that directly impacts the performance and effectiveness of ML models. Automated data preparation, leveraging process automation tools, can significantly streamline this phase, reducing manual effort, improving accuracy, and accelerating the time-to-insight are just a few ways to prepare.


We discuss various strategies and techniques for preparing data for ML using process automation.


Understand the Importance of Data Preparation

Data preparation involves cleaning, structuring, and enriching raw data to make it suitable for ML models. The quality and format of data directly influence model accuracy and performance. Automating this process can ensure consistency, reduce errors, and save considerable time.


Step 1: Define Objectives and Data Requirements

Before automating data preparation, clearly define the ML project's objectives. Understanding what you aim to predict or classify helps in identifying the necessary data and its format. This step involves consulting domain experts to ensure that the data aligns with business goals and ML requirements.


Step 2: Automate Data Collection

Process automation tools can be utilized to automate data collection from various sources such as databases, APIs, web scraping, and IoT devices. Define automation workflows to periodically collect data, ensuring a continuous feed into your ML pipelines.


Step 3: Data Cleaning

Data cleaning is vital for removing inaccuracies and inconsistencies. Automation can be applied to:

  • Detect and handle missing values: Automatically fill or discard missing values based on predefined rules.
  • Remove duplicates: Use algorithms to identify and eliminate duplicate records.
  • Outlier detection and handling: Implement statistical methods to detect outliers and decide whether to keep, adjust, or remove them.


Step 4: Data Transformation

ML models require data in a specific format. Automating data transformation involves:

  • Normalization and scaling: Ensure numerical data is on a similar scale to prevent bias towards high-value features.
  • Encoding categorical variables: Convert categorical variables into a format that algorithms can work with, such as one-hot encoding.
  • Feature engineering: Automatically generate new features from existing data to improve model performance.


Step 5: Data Augmentation

In cases of limited data, automation tools can augment datasets to improve model robustness. Techniques include generating synthetic data, applying transformations to existing data (e.g., rotating images for image recognition tasks), and utilizing external datasets.


Step 6: Splitting the Dataset

Automate the splitting of data into training, validation, and test sets to evaluate model performance accurately. Ensure the distribution of data across these sets is representative of the overall dataset.


Step 7: Automating Continuous Data Preparation

Machine learning is an iterative process. Automate the data preparation pipeline to run continuously, allowing models to be retrained with new data. This ensures models remain accurate over time and adapt to new patterns or trends in the data.


Why Process Automation for Data Preparation?

Selecting the right tools and platforms is crucial for automating data preparation. Tools like Apache NiFi, Talend, and custom scripts in Python or R can automate many data preparation tasks. things teams should consider include: ease of use, scalability, and integration capabilities with existing systems.


While automation streamlines data preparation, it's important to monitor and review automated processes regularly. Issues such as data drift, changes in data sources, and evolving business objectives require adjustments to the automation workflows.


Automating data preparation for ML can significantly enhance the efficiency and effectiveness of ML projects. By systematically implementing process automation from data collection to continuous data preparation, organizations can ensure their ML models are built on high-quality, relevant data, leading to more accurate and actionable insights.


As ML technologies and process automation tools evolve, the integration of these domains will become increasingly sophisticated, opening new avenues for innovation and performance improvement in ML projects. Book a demo today to learn more.


enterprise workflow automation software
By Dileepa Wijayanayake July 18, 2025
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Manufacturing Operations iBPA can orchestrate quality inspections, maintenance scheduling, production planning, and even trigger corrective workflows based on sensor data or ERP alerts — creating a more intelligent and responsive shop floor. 4. HR Processes From recruiting and onboarding to offboarding and performance reviews, iBPA ensures processes are compliant, timely, and employee-centric. AI can assist in resume screening or analyzing engagement surveys. How FlowWright Executes Intelligent BPA Our platform is designed from the ground up as a powerful intelligent automation platform that can drive iBPA across the enterprise. 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