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Project
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Meter

Results

Time and Cost results represent work time of a single developer working at market average speed (to split to several developers please use one of the reports that support it).
According to
the APPW statistical model used by the WMFP algorithm, includes lunch, small  breaks (under 30 minutes each) and contextual breaks (contemplation regarding implementation aspects: strategy planning, implementation modeling, enumerating reusables, consulting, update meetings, etc.) and excludes any other breaks (tech support, company events, unrelated meetings, weekend, holidays, sick days, etc.).

Metrics results are measurements of the provided source files content.

In normal mode results are simply summarized for the entire file/project. In differential mode, results are shown in several contexts and sub-groups according to changes between the source versions.

Normal (single version) results:
Reflects time went into creating the project from scratch

Differential mode results:

Change:
Reflects the time went into modifying and/or adding to the code. The main time/cost estimation result, Used for ordered DLCs with medium to long analysis periods (weekly or longer).
 
Growth:
Reflects only the time went into increasing code size and complexity. Used in irregular or noisy development process, or measuring very frequent code modifications (daily).

Deleted: Reflects only the time went into creating the code that was completely thrown away (excluding any commented out code).

Delta: Reflects theoretical difference between the old and new version, as if both were developed from scratch.

Total: Reflects the standalone normal analysis of only the current version of the project in it's entirety (ignoring the old version), as if was developed from scratch.

Previous Total: Reflects the standalone normal analysis of only the old version of the project in it's entirety (ignoring the current version), as if was developed from scratch.

Timestamp Measurements : Unrelated to any cost model, This time difference is based on the files modification time, as read from the OS filesystem stored on the disk. The Raw Hours are that difference, and the Work Hours are a subset of these, calculated using the "Work Hours Per Day" and "Work Days Per Week" settings of the advanced settings configuration menu.