Excel Export Features
Overview
MixModeler's Excel export functionality creates comprehensive, professionally formatted Excel files containing all aspects of your marketing mix model. These exports are designed for sharing with stakeholders, archival purposes, and model reimport for future analysis.
Exporting a Model
How to Export
- Navigate to Model Library 
- Locate your model in the list 
- Click the Export button (download icon) 
- Excel file downloads automatically to your browser's download folder 
File Naming: ModelName_Export_YYYYMMDD_HHMMSS.xlsx
Example: TV_Digital_Model_Export_20250104_143022.xlsx
Export Time
- Small models (<30 variables): Instant (<1 second) 
- Medium models (30-100 variables): 1-3 seconds 
- Large models (100+ variables): 3-8 seconds 
- Includes decomposition: Add 2-5 seconds 
Excel File Structure
Each exported Excel file contains multiple sheets organized by content type:
Core Sheets (Always Included)
Model Info: Model metadata and settings Data: Full dataset used in the model Coefficients: Complete coefficient information with statistics Model Statistics: Overall model fit metrics Residuals: Actual vs predicted values with residuals Variable Transformations: All variable engineering details
Model-Type Specific Sheets
For OLS Models:
- OLS Statistics 
- OLS Diagnostics 
- OLS Full Summary 
For Bayesian Models:
- Bayesian Statistics (with prior and posterior information) 
- Bayesian Diagnostics (MCMC convergence metrics) 
- Bayesian Model Metrics (WAIC, LOO, etc.) 
Optional Sheets
Decomposition (if requested):
- Group Decomposition 
- Variable Decomposition 
Weighted Variables (if present in model):
- Weighted Variables detail sheet 
Sheet Details
Model Info Sheet
Contains model configuration and metadata:
Model Name
Unique model identifier
TV_Digital_Model
KPI
Dependent variable
Revenue
Model Type
OLS or Bayesian
OLS
Date Range
Time period analyzed
2023-01-01 to 2024-12-31
Observations
Number of data points used
104
Features
Number of independent variables
25
R-squared
Model fit statistic
0.8543
Adjusted R-squared
Adjusted model fit
0.8421
Created Date
When model was built
2025-01-04 14:30:22
Data Sheet
Complete dataset with all variables:
- Date column: Time periods 
- KPI column: Dependent variable values 
- Feature columns: All independent variables 
- All observations: Including those filtered by date range 
Use Case: Verify data quality, check for anomalies, reimport model
Coefficients Sheet
For OLS Models
const
125.45
22.31
5.62
0.0001
81.52
169.38
TV_Spend
3.25
0.42
7.74
0.0000
2.43
4.07
Digital_Spend
2.18
0.31
7.03
0.0000
1.57
2.79
Interpretation:
- Coefficient: Effect size - a 1-unit increase in the variable leads to this change in KPI 
- Std Error: Uncertainty in coefficient estimate 
- T-statistic: Coefficient divided by standard error 
- P-value: Statistical significance (<0.05 typically significant) 
- CI Lower/Upper: 95% confidence interval bounds 
For Bayesian Models
const
Normal
0
100
128.32
21.45
86.84
170.15
1.00
1245
TV_Spend
Normal
0
10
3.18
0.38
2.45
3.91
1.00
1382
Additional Bayesian Fields:
- Prior Distribution: Type of prior used (Normal, Student-t, etc.) 
- Prior Mean/Std: Prior beliefs before seeing data 
- Posterior Mean/Std: Updated beliefs after seeing data 
- HDI (Highest Density Interval): 95% credible interval 
- R-hat: Convergence diagnostic (should be <1.01) 
- ESS: Effective sample size 
Model Statistics Sheet
OLS Models
R-squared
0.8543
Adjusted R-squared
0.8421
F-statistic
45.32
F-statistic p-value
<0.0001
AIC
1245.67
BIC
1289.45
Log-Likelihood
-615.83
Observations
104
Degrees of Freedom (Model)
25
Degrees of Freedom (Residuals)
78
Bayesian Models
Includes MCMC settings and model comparison metrics:
Chains
4
Draws
2,000
Tune
1,000
Target Accept
0.95
Max R-hat
1.002
Min ESS Bulk
1,245
Divergences
0
WAIC
1238.45
LOO
1240.12
Residuals Sheet
Detailed prediction analysis:
2023-01-08
1250.0
1225.5
24.5
24.5
1.96%
2023-01-15
1340.0
1365.2
-25.2
25.2
-1.88%
Uses:
- Identify periods with large prediction errors 
- Check for systematic patterns in residuals 
- Validate model accuracy 
- Find outliers or anomalies 
Variable Transformations Sheet
Documents all variable engineering:
TV_Adstock_50
adstock
TV_Spend
rate=0.50
AD_50
Digital_Log
log
Digital_Spend
base=e
LOG
TV_x_Season
multiply
TV_Spend × Seasonality
-
MULT
Campaign_Q1
split_by_date
Campaign_Total
start=2024-01-01, end=2024-03-31
SPL_Q1
Benefits:
- Complete audit trail of transformations 
- Reproducibility documentation 
- Easy reference for similar models 
- Stakeholder transparency 
Working with Exported Files
Opening and Reviewing
Recommended Software:
- Microsoft Excel 2016 or later (best compatibility) 
- Google Sheets (limited formatting) 
- LibreOffice Calc (good compatibility) 
Tips:
- Files use standard .xlsx format 
- All formulas are values only (no Excel formulas) 
- Safe to share - no macros or executable content 
- Can be opened on any platform 
Editing Exported Files
Safe to Edit:
- Add notes or comments 
- Highlight important values 
- Create additional sheets for analysis 
- Add charts or visualizations 
Do Not Edit (if planning to reimport):
- Sheet names 
- Column headers 
- Data structure 
- Variable names in transformation sheet 
Sharing with Stakeholders
Include These Sheets:
- Model Info (overview) 
- Coefficients (key results) 
- Model Statistics (validation) 
- Decomposition sheets (insights) 
Optional to Include:
- Residuals (technical validation) 
- Full Data (may contain sensitive information) 
- Variable Transformations (technical details) 
Presentation Tips:
- Add an Executive Summary sheet at the beginning 
- Use conditional formatting to highlight key coefficients 
- Include interpretation notes for non-technical audiences 
- Consider creating charts from coefficient data 
Export Options
Standard Export
Default export includes all core sheets plus model-type specific sheets.
Command: Click "Export" button in Model Library
Contents: Model Info, Data, Coefficients, Statistics, Residuals, Transformations, Type-specific sheets
Export with Decomposition
Includes additional decomposition analysis sheets.
Command: Check "Include Decomposition" before exporting
Additional Sheets:
- Group Decomposition (channel category contributions) 
- Variable Decomposition (individual variable contributions) 
Use When: Sharing attribution insights with marketing teams
Selective Sheet Export
Some users may want only specific sheets for different audiences.
Workaround: Export full file, then delete unnecessary sheets before sharing
Common Configurations:
- Executive Summary: Model Info + Coefficients + Decomposition 
- Technical Review: All sheets 
- Marketing Team: Model Info + Coefficients + Decomposition + Residuals 
- Finance Team: Model Info + Decomposition (for budget allocation) 
File Size and Limits
Typical File Sizes
- Small model (20 variables, 52 observations): 150-300 KB 
- Medium model (50 variables, 104 observations): 400-800 KB 
- Large model (200 variables, 260 observations): 1.5-3 MB 
- Very large model (500 variables, 500 observations): 5-10 MB 
Browser Download Limits
No practical limits - MixModeler exports work within standard browser download capabilities.
Maximum Tested: 500 variables × 500 observations successfully exported (10 MB file)
Common Use Cases
Archive and Documentation: Export models for record-keeping and compliance
Stakeholder Reporting: Share results with marketing, finance, or executive teams
Model Comparison: Export multiple models to compare side-by-side in Excel
Further Analysis: Use exported data for custom analysis in Excel or other tools
Reproducibility: Document exact model specifications for future reference or audits
Reimport: Save models to reload later (see Model Reimport documentation)
Next Steps: Learn about Model Export Structure to understand file organization, or explore Model Reimport to reload exported models.
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