1. Introduction  
2. The ALHAMBRA Survey  
2.1. Bayesian Photometric Redshifts in ALHAMBRA  
2.2. Probability Distribution Functions in ALHAMBRA  
2.3. Sample Selection  
3. Measuring the Merger Fraction in Photometric Samples by PDF Analysis  
3.1. The Merger Fraction in Spectroscopic Samples  
3.2. PDF Analysis of Photometric Close Pairs  
3.3. Correction by Selection Effects  
3.4. The Merger Fraction in Photometric Samples by PDF Analysis  
3.5. Output of the Code  
4. The Merger Fraction in ALHAMBRA  
4.2. The Merger Fraction in $M_{B}$ Selected Samples  
4.3. The Redshift Evolution of the Merger Fraction in $M_{B}$ Selected Samples  
5. The Major Merger Rate in ALHAMBRA  
5.1. The Major Merger Rate of Bright Galaxies  
5.2. The Major Merger Rate of Red and Blue Galaxies  
6. Summary and Conclusions