simple_kalman 1.0.0

A project to implement a one-dimensional Kalman filter in Dart language

example/lib/example.dart

import 'package:simple_kalman/simple_kalman.dart';

void main() {
  final _sinData = <int>[
    127,
    130,
    133,
    136,
    139,
    142,
    145,
    148,
    151,
    154,
    180,
    222,
    240,
    235,
    230,
    172,
    175,
    178,
    181,
    184,
    187,
    189,
    192,
    195,
    197,
    200,
    202,
    205,
    207,
    210,
    212,
    214,
    217,
    219,
    221,
    223,
    225,
    227,
    229,
    200,
    222,
    234,
    236,
    237,
    239,
    240,
    242,
    243,
    244,
    245,
    180,
    155,
    100,
    120,
    155,
    180,
    222,
    252,
    252,
    253,
    253,
    253,
    253,
    253,
    254,
    253,
    253,
    253,
    253,
    252,
    252,
    251,
    251,
    250,
    249,
    249,
    248,
    247,
    246,
    245,
    243,
    242,
    241,
    239,
    238,
    236,
    235,
    233,
    231,
    230,
    228,
    226,
    224,
    222,
    220,
    218,
    215,
    213,
    211,
    209,
    206,
    204,
    201,
    199,
    196,
    193,
    191,
    188,
    185,
    182,
    180,
    177,
    174,
    171,
    168,
    165,
    162,
    159,
    156,
    153,
    150,
    147,
    144,
    141,
    137,
    134,
    131,
    128,
    125,
    122,
    119,
    116,
    112,
    109,
    106,
    103,
    100,
    97,
    94,
    91,
    88,
    85,
    82,
    7,
    76,
    73,
    71,
    68,
    65,
    62,
    60,
    57,
    54,
    52,
    49,
    47,
    80,
    90,
    100,
    60,
    35,
    33,
    31,
    29,
    27,
    25,
    23,
    22,
    20,
    18,
    17,
    15,
    14,
    12,
    11,
    10,
    8,
    7,
    6,
    5,
    4,
    4,
    3,
    2,
    2,
    1,
    1,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    1,
    1,
    2,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9,
    10,
    11,
    13,
    14,
    16,
    17,
    19,
    21,
    22,
    24,
    26,
    28,
    30,
    32,
    34,
    36,
    39,
    41,
    43,
    46,
    48,
    5,
    53,
    56,
    58,
    61,
    64,
    66,
    69,
    72,
    75,
    78,
    81,
    84,
    87,
    89,
    93,
    96,
    99,
    102,
    105,
    108,
    111,
    114,
    117,
    120,
    123,
    127
  ];

  final kalman = SimpleKalman(errorMeasure: 256, errorEstimate: 150, q: 0.9);
  for (final value in _sinData) {
    print('Origin: $value Filtered: ${kalman.filtered(value.toDouble())}');
  }
}