Question: 对于正泰电器在2024年02月15日到2024年10月08日间赫尔移动平均线，统计60日线与30日线的金叉次数。使用不复权价格，写出指标公式，搜集原始数据，计算得出答案，保留四位小数。注意列出原始数据和关键计算过程。
Formula: HMA = WMA_{\sqrt{n}}(2 * WMA_{n/2}(P) - WMA_n(P))
Data:
date,close
2023-09-27,23.28
2023-09-28,23.29
2023-10-09,23.32
2023-10-10,23.25
2023-10-11,23.25
2023-10-12,23.68
2023-10-13,23.48
2023-10-16,23.3
2023-10-17,23.36
2023-10-18,22.95
2023-10-19,22.52
2023-10-20,22.68
2023-10-23,22.22
2023-10-24,22.23
2023-10-25,22.35
2023-10-26,22.56
2023-10-27,23.04
2023-10-30,23.02
2023-10-31,23.09
2023-11-01,23.1
2023-11-02,23.01
2023-11-03,23.21
2023-11-06,23.56
2023-11-07,23.5
2023-11-08,23.4
2023-11-09,23.5
2023-11-10,23.36
2023-11-13,23.43
2023-11-14,23.43
2023-11-15,23.63
2023-11-16,23.24
2023-11-17,23.28
2023-11-20,23.27
2023-11-21,23.19
2023-11-22,22.76
2023-11-23,22.84
2023-11-24,22.63
2023-11-27,22.43
2023-11-28,22.5
2023-11-29,22.24
2023-11-30,21.93
2023-12-01,21.78
2023-12-04,21.72
2023-12-05,21.34
2023-12-06,21.3
2023-12-07,21.33
2023-12-08,21.45
2023-12-11,21.52
2023-12-12,21.59
2023-12-13,21.12
2023-12-14,21.04
2023-12-15,20.91
2023-12-18,20.26
2023-12-19,20.25
2023-12-20,19.99
2023-12-21,20.35
2023-12-22,20.45
2023-12-25,20.52
2023-12-26,20.63
2023-12-27,20.6
2023-12-28,21.33
2023-12-29,21.51
2024-01-02,21.47
2024-01-03,21.38
2024-01-04,21.18
2024-01-05,20.99
2024-01-08,20.66
2024-01-09,20.69
2024-01-10,20.88
2024-01-11,21.06
2024-01-12,21.19
2024-01-15,21.39
2024-01-16,21.12
2024-01-17,20.53
2024-01-18,20.94
2024-01-19,20.63
2024-01-22,19.99
2024-01-23,20.11
2024-01-24,20.12
2024-01-25,20.67
2024-01-26,20.28
2024-01-29,19.66
2024-01-30,18.96
2024-01-31,18.64
2024-02-01,18.65
2024-02-02,18.02
2024-02-05,17.59
2024-02-06,18.68
2024-02-07,19.2
2024-02-08,19.57
2024-02-19,19.59
2024-02-20,19.4
2024-02-21,19.7
2024-02-22,19.68
2024-02-23,19.85
2024-02-26,20.03
2024-02-27,20.32
2024-02-28,20.07
2024-02-29,20.58
2024-03-01,20.83
2024-03-04,20.98
2024-03-05,20.7
2024-03-06,21.13
2024-03-07,20.86
2024-03-08,20.89
2024-03-11,21.56
2024-03-12,21.88
2024-03-13,21.66
2024-03-14,21.4
2024-03-15,21.31
2024-03-18,21.45
2024-03-19,21.24
2024-03-20,21.25
2024-03-21,20.95
2024-03-22,20.63
2024-03-25,20.35
2024-03-26,20.48
2024-03-27,19.92
2024-03-28,20.16
2024-03-29,20.19
2024-04-01,20.41
2024-04-02,20.49
2024-04-03,20.2
2024-04-08,19.59
2024-04-09,20.38
2024-04-10,20.11
2024-04-11,20.0
2024-04-12,19.73
2024-04-15,19.92
2024-04-16,19.52
2024-04-17,20.09
2024-04-18,19.9
2024-04-19,19.49
2024-04-22,19.39
2024-04-23,19.11
2024-04-24,18.95
2024-04-25,18.87
2024-04-26,19.27
2024-04-29,20.22
2024-04-30,20.65
2024-05-06,20.55
2024-05-07,20.76
2024-05-08,20.71
2024-05-09,20.9
2024-05-10,21.12
2024-05-13,21.26
2024-05-14,21.05
2024-05-15,20.69
2024-05-16,20.68
2024-05-17,20.78
2024-05-20,21.83
2024-05-21,21.53
2024-05-22,21.98
2024-05-23,21.65
2024-05-24,21.94
2024-05-27,21.89
2024-05-28,21.93
2024-05-29,21.74
2024-05-30,21.75
2024-05-31,21.37
2024-06-03,21.03
2024-06-04,21.54
2024-06-05,21.04
2024-06-06,20.79
2024-06-07,20.57
2024-06-11,20.4
2024-06-12,20.34
2024-06-13,20.26
2024-06-14,20.64
2024-06-17,20.51
2024-06-18,20.55
2024-06-19,20.06
2024-06-20,19.76
2024-06-21,19.88
2024-06-24,19.63
2024-06-25,19.47
2024-06-26,19.77
2024-06-27,18.83
2024-06-28,19.06
2024-07-01,19.3
2024-07-02,18.7
2024-07-03,18.42
2024-07-04,18.46
2024-07-05,18.44
2024-07-08,18.14
2024-07-09,18.42
2024-07-10,18.17
2024-07-11,19.05
2024-07-12,18.84
2024-07-15,18.51
2024-07-16,18.59
2024-07-17,18.75
2024-07-18,18.96
2024-07-19,19.17
2024-07-22,19.05
2024-07-23,18.61
2024-07-24,18.44
2024-07-25,18.88
2024-07-26,19.23
2024-07-29,18.73
2024-07-30,18.63
2024-07-31,19.28
2024-08-01,19.14
2024-08-02,18.94
2024-08-05,18.63
2024-08-06,18.92
2024-08-07,19.11
2024-08-08,18.92
2024-08-09,18.74
2024-08-12,18.7
2024-08-13,18.74
2024-08-14,18.32
2024-08-15,18.31
2024-08-16,18.19
2024-08-19,17.99
2024-08-20,17.7
2024-08-21,17.45
2024-08-22,17.42
2024-08-23,17.42
2024-08-26,17.5
2024-08-27,17.09
2024-08-28,17.13
2024-08-29,17.45
2024-08-30,17.55
2024-09-02,18.65
2024-09-03,18.61
2024-09-04,18.75
2024-09-05,18.87
2024-09-06,18.53
2024-09-09,18.36
2024-09-10,18.32
2024-09-11,18.55
2024-09-12,18.65
2024-09-13,18.63
2024-09-18,18.64
2024-09-19,18.73
2024-09-20,18.58
2024-09-23,18.37
2024-09-24,19.06
2024-09-25,19.38
2024-09-26,19.95
2024-09-27,20.98
2024-09-30,22.74
2024-10-08,24.15

Indicator data:
date,60日,30日
2024-01-05,20.334703369343508,20.80928781362007
2024-01-08,20.336494919543703,20.883440860215053
2024-01-09,20.332154321220823,20.928022222222225
2024-01-10,20.328311550955654,20.961524372759857
2024-01-11,20.331249320087633,20.997858781362012
2024-01-12,20.34493524464254,21.04192365591398
2024-01-15,20.37396442421495,21.101646236559137
2024-01-16,20.410031137468206,21.149865949820786
2024-01-17,20.43782435597189,21.146181003584232
2024-01-18,20.467292922615904,21.12542652329749
2024-01-19,20.4894674019793,21.072028315412187
2024-01-22,20.48963989826496,20.96005519713261
2024-01-23,20.475002537080403,20.823246236559136
2024-01-24,20.4500800596812,20.680283870967738
2024-01-25,20.433027662360555,20.573158064516132
2024-01-26,20.415408148875628,20.479379569892476
2024-01-29,20.382904094583363,20.363185304659503
2024-01-30,20.323256264007455,20.184875985663087
2024-01-31,20.234504664954297,19.9429541218638
2024-02-01,20.121787357407268,19.66259032258064
2024-02-02,19.97495823575332,19.33613189964158
2024-02-05,19.791894808743173,18.972788530465948
2024-02-06,19.610863570547206,18.67401075268817
2024-02-07,19.450066348115133,18.474168100358423
2024-02-08,19.31968090705347,18.381384587813617
2024-02-19,19.21736433230088,18.379187096774192
2024-02-20,19.13540252071215,18.42884982078853
2024-02-21,19.078881739316568,18.518491756272404
2024-02-22,19.04153340384277,18.628918637992832
2024-02-23,19.020232951826955,18.761823297491038
2024-02-26,19.01507698118909,18.925393906810033
2024-02-27,19.02963577472237,19.130393906810035
2024-02-28,19.05420759990935,19.344418996415772
2024-02-29,19.098671507894544,19.587289605734767
2024-03-01,19.16410735690363,19.853339426523295
2024-03-04,19.24959492332099,20.130890681003578
2024-03-05,19.343518999773362,20.38090716845878
2024-03-06,19.453572020347004,20.61758064516129
2024-03-07,19.569120992923875,20.810355555555553
2024-03-08,19.688452853113745,20.96288673835125
2024-03-11,19.824776711742338,21.122334408602153
2024-03-12,19.981413405605498,21.303898924731183
2024-03-13,20.14759207776183,21.47856559139785
2024-03-14,20.313466948704388,21.624459498207887
2024-03-15,20.473708242048797,21.73046738351255
2024-03-18,20.631333031150056,21.802096415770613
2024-03-19,20.779069325879473,21.830426523297493
2024-03-20,20.91542346579033,21.829119713261655
2024-03-21,21.033274080229653,21.787202867383517
2024-03-22,21.12728267356651,21.696502508960577
2024-03-25,21.19382282616907,21.555444802867388
2024-03-26,21.238794534260023,21.39360215053764
2024-03-27,21.250298783712317,21.189360931899646
2024-03-28,21.240128641938004,20.980481003584227
2024-03-29,21.213826792324543,20.779521863799282
2024-04-01,21.18173298959986,20.605223297491037
2024-04-02,21.148517054468535,20.46376917562724
2024-04-03,21.108069930246025,20.34025089605735
2024-04-08,21.04711324318199,20.19556021505376
2024-04-09,20.988905177406764,20.08900860215054
2024-04-10,20.92560483241419,19.999444802867387
2024-04-11,20.85534194555665,19.92338172043011
2024-04-12,20.773210653219508,19.848841935483872
2024-04-15,20.686898611216034,19.793951612903232
2024-04-16,20.589685855304577,19.72756810035843
2024-04-17,20.498919732567803,19.69416379928316
2024-04-18,20.40894064616857,19.67647741935484
2024-04-19,20.311877685024303,19.64781612903226
2024-04-22,20.208493446400244,19.601751612903225
2024-04-23,20.094819684722122,19.527720788530466
2024-04-24,19.96988167636172,19.423001075268818
2024-04-25,19.836541417995015,19.300459856630827
2024-04-26,19.708331526529175,19.20079713261649
2024-04-29,19.611704955805696,19.184474551971327
2024-04-30,19.555276050716426,19.25857204301075
2024-05-06,19.531354347661853,19.392507885304664
2024-05-07,19.540125198307774,19.57434802867384
2024-05-08,19.57355552617662,19.772886379928323
2024-05-09,19.629304695172618,19.97833655913979
2024-05-10,19.7046196519856,20.19437311827958
2024-05-13,19.795277920475435,20.41949068100359
2024-05-14,19.891451172219284,20.631579211469536
2024-05-15,19.98255718188915,20.804867025089607
2024-05-16,20.06703678451814,20.93920394265233
2024-05-17,20.14715275994057,21.043091397849466
2024-05-20,20.24754460351036,21.18345304659498
2024-05-21,20.356845244390716,21.326428315412183
2024-05-22,20.484140804814785,21.48841720430107
2024-05-23,20.617999899272238,21.629440860215052
2024-05-24,20.762130606129286,21.76065555555556
2024-05-27,20.91063786482335,21.87020071684588
2024-05-28,21.059781439651484,21.964701075268813
2024-05-29,21.200483915036134,22.0316458781362
2024-05-30,21.332862645110925,22.077855913978496
2024-05-31,21.446812482687417,22.080806093189963
2024-06-03,21.536076238321876,22.031465591397854
2024-06-04,21.615839502908518,21.9777605734767
2024-06-05,21.67545036010174,21.894236917562726
2024-06-06,21.7118254387953,21.774730107526874
2024-06-07,21.72376678376269,21.618681720430107
2024-06-11,21.711235331520236,21.427706451612902
2024-06-12,21.67730783661958,21.214433333333332
2024-06-13,21.623393562237172,20.99457777777778
2024-06-14,21.561593758656297,20.807860573476702
2024-06-17,21.49292155825842,20.648107168458782
2024-06-18,21.42164921558259,20.5193688172043
2024-06-19,21.337889703104935,20.388805376344084
2024-06-20,21.237771310216313,20.243391756272402
2024-06-21,21.127886397975374,20.098778494623655
2024-06-24,21.00507633275415,19.95028279569892
2024-06-25,20.869055626904387,19.798462007168457
2024-06-26,20.73241338671905,19.673421505376343
2024-06-27,20.575562300118357,19.520375627240142
2024-06-28,20.410830286318653,19.367014336917563
2024-07-01,20.247769560071514,19.237665949820787
2024-07-02,20.0735999156405,19.096450537634407
2024-07-03,19.887284707008128,18.934440860215055
2024-07-04,19.69520772581904,18.77093978494624
2024-07-05,19.501879592556215,18.608557347670253
2024-07-08,19.305672005237845,18.43882114695341
2024-07-09,19.116909968270758,18.29602365591398
2024-07-10,18.93243884565989,18.16882043010753
2024-07-11,18.77799765178414,18.113391397849462
2024-07-12,18.646685962327815,18.102474910394267
2024-07-15,18.52870477953212,18.106507168458787
2024-07-16,18.425359270731033,18.123370967741938
2024-07-17,18.33910436025283,18.158590322580647
2024-07-18,18.272566134068647,18.2174788530466
2024-07-19,18.22806642366095,18.30858279569893
2024-07-22,18.198144248445015,18.41613835125448
2024-07-23,18.1712879680693,18.505164516129035
2024-07-24,18.143692786633427,18.56349605734767
2024-07-25,18.12594493968926,18.620858064516128
2024-07-26,18.12481017224447,18.697745519713262
2024-07-29,18.126040448490347,18.758513261648748
2024-07-30,18.127932436856288,18.79851756272401
2024-07-31,18.148118134773743,18.858262724014335
2024-08-01,18.181395727883963,18.91543835125448
2024-08-02,18.220045566719552,18.95802831541219
2024-08-05,18.25429890962202,18.973255913978498
2024-08-06,18.291571258593336,18.98210358422939
2024-08-07,18.336714197577503,18.993070250896054
2024-08-08,18.383395614565238,18.99653978494623
2024-08-09,18.425222576867874,18.986041935483865
2024-08-12,18.46274719221375,18.96514157706093
2024-08-13,18.498464329782685,18.937688172043007
2024-08-14,18.522162555715045,18.87939426523297
2024-08-15,18.534180428596613,18.799846594982075
2024-08-16,18.533384181964696,18.70145555555555
2024-08-19,18.5180043312936,18.58292831541218
2024-08-20,18.48405842209967,18.43710322580645
2024-08-21,18.429490355317164,18.263521505376342
2024-08-22,18.358202217269774,18.077155555555557
2024-08-23,18.276087305784294,17.892005376344084
2024-08-26,18.1890604492458,17.723507168458777
2024-08-27,18.09037813200373,17.551100716845877
2024-08-28,17.98551038755005,17.38675985663082
2024-08-29,17.885721645136112,17.256043369175625
2024-08-30,17.79466297751253,17.16378781362007
2024-09-02,17.73887676588351,17.174047311827955
2024-09-03,17.712297323159827,17.262715770609315
2024-09-04,17.713057251139478,17.414084587813615
2024-09-05,17.73846422905492,17.608756989247315
2024-09-06,17.77346560776611,17.802817921146957
2024-09-09,17.809228041348742,17.971072043010754
2024-09-10,17.841466583566266,18.113703942652332
2024-09-11,17.87294564478356,18.2467082437276
2024-09-12,17.90702363325023,18.374839068100364
2024-09-13,17.943428256654325,18.49602186379929
2024-09-18,17.98285782276951,18.60713333333333
2024-09-19,18.02790321321548,18.70929964157706
2024-09-20,18.07414700586739,18.785080645161294
2024-09-23,18.116015071390798,18.819953405017923
2024-09-24,18.170250755458188,18.862163799283156
2024-09-25,18.242169480748405,18.92531182795699
2024-09-26,18.342101445443326,19.039455555555552
2024-09-27,18.489163481151316,19.253597849462363
2024-09-30,18.7153356374808,19.64284551971326
2024-10-08,19.037105676009162,20.22887240143369

Answer: 4.0