Democratizing machine learning with no-code solutions in Snowflake

Published November 29, 2024. 8 min read

Shano K Sham Author

Gayathri Potnuru, Software Engineer

Introduction

Did you know that machine learning (ML) is now one of the most powerful tools for businesses looking to gain an edge and unlock insights from their data? Yet, getting ML up and running can be tricky, often requiring advanced skills in programming and data science. That’s where no-code solutions make a game-changing difference. These visual platforms allow users to build applications and implement sophisticated algorithms—all without writing a single line of code.

Snowflake, a cloud-based data platform, has emerged as a leader in democratizing access to machine learning capabilities through its innovative no-code features. By combining the power of a robust data warehouse with user-friendly ML tools, Snowflake is making advanced analytics accessible to business users across organizations.

The need for democratization in machine learning

Current challenges in ML adoption

Organizations face several hurdles when implementing machine learning solutions:

1. Technical complexity:Traditional ML implementations require expertise in:

  • Programming languages (Python, R)
  • ML frameworks (TensorFlow, PyTorch)
  • Data preprocessing techniques
  • Model optimization and deployment

2. Resource constraints:

  • High costs of hiring specialized data scientists
  • Long development cycles
  • Limited scalability of ML teams

3. Skills cap:

  • Shortage of qualified ML engineers
  • Difficulty in training existing staff
  • Communication barriers between technical and business teams

Benefits of no-code approaches

No-code solutions address these challenges by:

  • Reducing time-to-value: Projects that traditionally took months can be completed in weeks or days
  • Lowering costs: Minimize the need for specialized ML engineers
  • Empowering business users: Enable domain experts to build and deploy ML models
  • Ensuring governance: Maintain centralized control over data and model deployment

Snowflake's no-code features for machine learning

Snowflake Notebooks

Snowflake Notebooks provide an intuitive interface for ML workflows:

SQL:

-- Example: Simple time series analysis using SQL
SELECT
date_trunc('month', order_date) as month,
SUM(sales_amount) as total_sales,
AVG(sales_amount) OVER (ORDER BY date_trunc('month', order_date)
ROWS BETWEEN 3 PRECEDING AND CURRENT ROW) as moving_average
FROM sales_data
GROUP BY month
ORDER BY month;

Built-in functions and SQL capabilities

Snowflake offers powerful SQL functions for ML tasks:

1. Statistical functions:

-- Calculate z-scores for anomaly detection
SELECT
metric_value,
(metric_value - AVG(metric_value) OVER())
/ STDDEV(metric_value) OVER() as z_score
FROM metrics_table;

2. Window functions:

-- Customer purchase patterns analysis
SELECT
customer_id,
purchase_amount,
LAG(purchase_amount) OVER (PARTITION BY customer_id ORDER BY purchase_date) as prev_purchase,
purchase_amount - LAG(purchase_amount) OVER (
PARTITION BY customer_id ORDER BY purchase_date
) as purchase_difference
FROM customer_transactions;

Visual tools for data preparation

Snowflake's visual interface enables:

  • Drag-and-drop data transformations
  • Visual data profiling
  • Automated data quality checks

Use cases of no-code machine learning in Snowflake

Forecasting and anomaly detection

Example implementation of a simple forecasting model:

-- Creating a basic forecasting model using historical data
WITH historical_data AS (
SELECT
date_trunc('day', timestamp) as date,
COUNT(*) as daily_events,
AVG(COUNT(*)) OVER (
ORDER BY date_trunc('day', timestamp)
ROWS BETWEEN 7 PRECEDING AND CURRENT ROW
) as moving_avg
FROM event_log
GROUP BY date
)
SELECT
date,
daily_events,
moving_avg,
CASE
WHEN ABS(daily_events - moving_avg) >
2 * STDDEV(daily_events) OVER (
ORDER BY date ROWS BETWEEN 7 PRECEDING AND CURRENT ROW
)
THEN 'Anomaly'
ELSE 'Normal'
END as detection_status
FROM historical_data;

Customer segmentation
Implementation of RFM (Recency, Frequency, Monetary) analysis:

WITH rfm_metrics AS (
SELECT
customer_id,
DATEDIFF('day', MAX(purchase_date), CURRENT_DATE()) as recency,
COUNT(*) as frequency,
SUM(purchase_amount) as monetary
FROM customer_purchases
GROUP BY customer_id
)
SELECT
customer_id,
NTILE(5) OVER (ORDER BY recency DESC) as R,
NTILE(5) OVER (ORDER BY frequency) as F,
NTILE(5) OVER (ORDER BY monetary) as M
FROM rfm_metrics;

Real-world success story: E-commerce platform

An e-commerce platform faced increasing customer churn, impacting its revenue and customer lifetime value. Traditional approaches to buildingpredictive modelswere time-consuming and required specialized data science resources, delaying the implementation of the solution.

Challenge
  • High customer churn affecting revenue growth.
  • Manual customer retention strategies were ineffective and time-consuming.
  • Lack of internal data science expertise to build complex machine learning models quickly.
Solution

The company adopted a no-code machine learning solution integrated with its existing Snowflake data warehouse. With this approach, they were able to:

  • Create a customer churn prediction model using historical purchase data and user behavior analytics.
  • Deploy the model within 2 weeks, significantly faster than the estimated 3 months using traditional data science methods.
  • Implement automated retention strategies for customers identified as high-risk for churn.
Results
  • 23% reduction in customer churn within the first quarter.
  • Improved customer engagement with targeted offers, increasing the efficiency of retention efforts.
  • Achieved an ROI of 300% due to the fast implementation and immediate impact on revenue.
  • Enabled non-technical teams to easily update and maintain the model without relying on a dedicated data science team.

Getting started with no-code machine learning in Snowflake

Step-by-step guide

1. Setting up a Snowflake account:

  • Sign up at snowflake.com
  • Choose the appropriate edition and cloud provider
  • Configure virtual warehouse settings
  • Access Worksheets through the web interface
  • Create a new notebook for the ML project
  • Connect to data sources

3. Utilizing built-in functions:

-- Example: Basic customer lifetime value calculation
SELECT
customer_id,
SUM(purchase_amount) as total_spend,
COUNT(DISTINCT order_id) as total_orders,
SUM(purchase_amount) / COUNT(DISTINCT order_id) as avg_order_value,
DATEDIFF('day', MIN(purchase_date), MAX(purchase_date)) as customer_lifetime
FROM orders
GROUP BY customer_id;

    Emerging technologies

    • AutoML integration
    • Natural language interfaces for data analysis
    • AI-powered data preparation
    • Automated model optimization

    Conclusion

    The democratization of machine learning through no-code solutions in Snowflake represents a significant shift in how organizations can leverage advanced analytics. These tools enable faster innovation and more efficient decision-making processes by removing technical barriers and empowering business users.