Standardization of Software Cost Estimation Process for Outsourcing in Pakistan: Statistical Methods Used for Checking Accuracy of Model Prediction

摘要

This paper is in continuation to the paper [1] that has discussed the case study in very detail; now this paper is highlighting the statistical procedures to be used for accessing the model accuracy level. This research study will be employed as guidance for software houses registered with Pakistan Software Export Body. The project under demonstration is now a complete ERP system a real life project that has been assigned by PSEB to a newly established company as a part of its "Industrial Automation Program", whose single module was discussed in earlier version of this paper. It highlights two aspects: first, list of estimation readings following the procedures as discussed in previous version of this paper; and second, review and calculations of statistical validation procedures with the need for using which procedure in what circumstances. In lasts the interpretation of result for making the right selection. The estimation model under observation is again COCOMO that satisfies the criteria for model evaluation and supports all possible effort multipliers for justifying software development effort cost under any organizational circumstances and also supports their calibration.