y = 12.272/(1 + e^(-(x-(-43.124))/9.574))
Inital zero points added:0
Inflexion point of curve:1923
acceleration counts pred pred_actual velocity y_norm year
0 0.010 1 1.246 0.000 0.117 12.390 1902
1 0.010 1 4.023 0.000 0.282 12.390 1916
2 -0.004 1 6.814 0.008 0.317 11.697 1925
3 -0.005 1 7.128 0.005 0.312 12.390 1926
4 -0.009 1 8.034 0.026 0.290 11.697 1929
5 -0.013 1 9.347 0.143 0.233 11.291 1934
6 -0.013 1 9.574 0.120 0.220 11.697 1935
7 -0.013 2 9.787 0.370 0.207 11.473 1936
8 -0.012 4 10.175 0.983 0.182 11.579 1938
9 -0.012 3 10.351 0.521 0.169 12.102 1939
10 -0.012 2 10.514 1.532 0.157 10.780 1940
11 -0.011 1 10.666 0.357 0.146 11.697 1941
12 -0.010 3 10.935 6.073 0.124 10.230 1943
13 -0.010 1 11.055 47.374 0.115 7.198 1944
14 -0.009 328 11.165 3853.858 0.105 8.701 1945
15 -0.008 1053 11.265 13441.040 0.097 8.719 1946
16 -0.008 1261 11.358 16818.853 0.088 8.767 1947
17 -0.007 1278 11.442 19059.040 0.081 8.740 1948
18 -0.007 1024 11.520 22477.503 0.074 8.431 1949
19 -0.006 2084 11.590 37420.112 0.067 8.702 1950
20 -0.006 2260 11.654 47933.460 0.061 8.600 1951
21 -0.005 1485 11.713 52317.311 0.056 8.151 1952
22 -0.005 2006 11.766 55810.775 0.051 8.440 1953
23 -0.004 2178 11.814 56864.231 0.046 8.552 1954
24 -0.004 1873 11.858 60899.255 0.042 8.377 1955
25 -0.004 1736 11.898 61769.351 0.038 8.326 1956
26 -0.003 1598 11.934 66314.672 0.034 8.209 1957
27 -0.003 1827 11.967 67206.012 0.031 8.362 1958
28 -0.003 1635 11.996 70021.898 0.028 8.239 1959
29 -0.003 1836 12.023 73242.734 0.025 8.337 1960
30 -0.002 2495 12.047 80654.146 0.023 8.572 1961
31 -0.002 3125 12.069 87397.870 0.021 8.738 1962
32 -0.002 17943 12.089 101337.037 0.019 10.358 1963
33 -0.002 35776 12.107 118630.713 0.017 10.908 1964
34 -0.002 94299 12.123 131861.010 0.015 11.788 1965
35 -0.001 143645 12.138 136108.636 0.014 12.192 1966
36 -0.001 152154 12.151 147160.038 0.013 12.184 1967
37 -0.001 161784 12.163 162355.177 0.011 12.159 1968
38 -0.001 166397 12.174 169536.213 0.010 12.155 1969
39 -0.001 166148 12.183 171910.757 0.009 12.149 1970
40 -0.001 172839 12.192 177761.021 0.008 12.164 1971
41 -0.001 179414 12.200 183774.277 0.007 12.176 1972
42 -0.001 183863 12.207 188162.036 0.007 12.184 1973
43 -0.001 189312 12.213 192696.634 0.006 12.196 1974
44 -0.001 200451 12.219 205839.613 0.005 12.193 1975
45 -0.001 203863 12.224 211226.614 0.005 12.189 1976
46 -0.000 212082 12.229 217806.741 0.004 12.203 1977
47 -0.000 222813 12.233 227125.037 0.004 12.214 1978
48 -0.000 235084 12.237 235496.799 0.004 12.235 1979
49 -0.000 237481 12.241 234769.054 0.003 12.252 1980
50 -0.000 241211 12.244 237207.631 0.003 12.260 1981
51 -0.000 250766 12.247 247146.896 0.003 12.261 1982
52 -0.000 264205 12.249 259792.643 0.002 12.266 1983
53 -0.000 276876 12.251 268145.029 0.002 12.283 1984
54 -0.000 287894 12.253 277555.686 0.002 12.290 1985
55 -0.000 298606 12.255 288880.245 0.002 12.288 1986
56 -0.000 312678 12.257 304721.430 0.002 12.283 1987
57 -0.000 327110 12.258 320623.182 0.001 12.278 1988
58 -0.000 343007 12.260 334916.803 0.001 12.284 1989
59 -0.000 350485 12.261 341285.445 0.001 12.288 1990
60 -0.000 348324 12.262 342194.836 0.001 12.280 1991
61 -0.000 350758 12.263 345199.802 0.001 12.279 1992
62 -0.000 358102 12.264 351059.874 0.001 12.284 1993
63 -0.000 365433 12.265 359473.868 0.001 12.281 1994
64 -0.000 374345 12.265 367820.693 0.001 12.283 1995
65 -0.000 381830 12.266 372815.475 0.001 12.290 1996
66 -0.000 392896 12.267 382029.613 0.001 12.295 1997
67 -0.000 405825 12.267 395328.866 0.001 12.293 1998
68 -0.000 416485 12.268 406899.067 0.000 12.291 1999
69 -0.000 435547 12.268 429863.373 0.000 12.281 2000
70 -0.000 447637 12.269 447998.306 0.000 12.268 2001
71 -0.000 460284 12.269 461992.674 0.000 12.265 2002
72 -0.000 483554 12.269 486584.069 0.000 12.263 2003
73 -0.000 505842 12.269 513153.190 0.000 12.255 2004
74 -0.000 527857 12.270 540238.362 0.000 12.247 2005
75 -0.000 550257 12.270 562522.702 0.000 12.248 2006
76 -0.000 567970 12.270 582957.438 0.000 12.244 2007
77 -0.000 589413 12.270 608423.803 0.000 12.239 2008
78 -0.000 607969 12.271 627259.119 0.000 12.239 2009
79 -0.000 632126 12.271 650983.349 0.000 12.241 2010
80 -0.000 659324 12.271 679667.900 0.000 12.240 2011
81 -0.000 695538 12.271 715941.250 0.000 12.242 2012
82 -0.000 723855 12.271 743929.345 0.000 12.244 2013
83 -0.000 577410 12.271 589265.667 0.000 12.251 2014
84 -0.000 78970 12.271 78379.009 0.000 12.279 2015