The Official NPD September Thread (5 wks ending Oct 4, 2009, Data in 3 hrs)

[darthdevidem01]

Aj_habfan said:

bat-ON said:
NPD vs VGC

Round One, Hardware


PlayStation 2 146.0K vs 118.3K - Result = - 27.7k (Error - 19%)
PlayStation 3 491.8K vs 429.6K - Result = - 63.2 K (Error - 13%)
PSP 190.4K vs 164.3K - Result = - 26.1K (Error - 14%)
Xbox 360 352.6K vs 352.1K - Result = -0.5K (Error 0%)
Wii 462.8K vs 395.7K - Result = - 67.1K (Error - 14%)
Nintendo DS 524.2K vs 637.3 - Result = + 113.1 (Error + 21%)

Round 2, Software


HALO 3: ODST 1.52M vs 1.740 Result = + 220K (Error + 14%)
WII SPORTS RESORT 442.9K vs 526k Result = + 83.1K (Error + 19%)
MADDEN NFL 10 360 289.6K vs 245.8k Result = - 43.8K (Error - 15%)
MARIO & LUIGI: 258.1K vs 186k Result = - 72K (Error - 28%)
THE BEATLES:ROCK BAND* 360 254.0K 344K Result = +90K (Error + 35%)
MADDEN NFL 10 PS3 246.5K vs 200K Result = - 46.5K (Error - 19%)
MARVEL:ULTIMATE ALLIANCE 2 360 236.0K vs 279k = + 43k (Error + 18%)
BATMAN:ARKHAM ASYLUM* PS3 212.5K vs 260K = + 47.5K (Error + 22%)
GUITAR HERO 5* 360 210.8K vs 280K = + 69.2K (Error + 32%)
THE BEATLES:ROCK BAND* WII 208.6K vs 365K = + 156.4K (Error +75%)

The difference is most of the time around 15-20% in hardware and 20-25% in software.

Is that VGC data scaled down to represent just USA?

no it isn;t