y = 5.140/(1 + e^(-(x-(2.512))/0.345))
Inital zero points added:2
Inflexion point of curve:1998
acceleration counts pred pred_actual velocity y_norm year
0 4.107 3 0.948 2.842 2.243 0.982 1997
1 -4.144 109 4.135 114.353 2.345 4.088 1998
2 -0.548 377 5.072 303.188 0.194 5.289 1999
3 -0.032 529 5.136 341.435 0.011 5.572 2000
4 -0.002 498 5.140 356.978 0.001 5.471 2001
5 -0.000 474 5.140 368.074 0.000 5.391 2002
6 -0.000 527 5.140 387.549 0.000 5.446 2003
7 -0.000 654 5.140 408.595 0.000 5.608 2004
8 -0.000 670 5.140 430.052 0.000 5.581 2005
9 -0.000 607 5.140 447.689 0.000 5.443 2006
10 -0.000 566 5.140 463.856 0.000 5.338 2007
11 -0.000 572 5.140 484.030 0.000 5.306 2008
12 -0.000 524 5.140 498.931 0.000 5.188 2009
13 -0.000 492 5.140 517.723 0.000 5.089 2010
14 -0.000 512 5.140 540.462 0.000 5.086 2011
15 -0.000 536 5.140 569.237 0.000 5.080 2012
16 -0.000 349 5.140 591.425 0.000 4.616 2013
17 -0.000 223 5.140 468.420 0.000 4.404 2014
18 -0.000 11 5.140 62.300 0.000 3.433 2015