Question: From March 11, 2020 to June 28, 2020, count the number of golden cross occurrences between the 10-day and 5-day Weighted Moving Average lines for Lamb Weston. (Weights are 1, 2, ..., n) Using unadjusted prices, write down the indicator formula, collect the raw data, calculate the answer, and keep four decimal places. Please list the raw data and key calculation process.
Formula: WMA_n = \sum_{i=0}^{n-1} (n-i) * P_{t-i} / \sum_{j=1}^{n} j
Data:
date,close
2020-02-27,89.44999694824219
2020-02-28,86.88999938964844
2020-03-02,86.6500015258789
2020-03-03,85.5
2020-03-04,88.08999633789062
2020-03-05,86.36000061035156
2020-03-06,83.37000274658203
2020-03-09,73.37999725341797
2020-03-10,72.7300033569336
2020-03-11,71.43000030517578
2020-03-12,63.36000061035156
2020-03-13,63.84999847412109
2020-03-16,52.43999862670898
2020-03-17,53.130001068115234
2020-03-18,45.0099983215332
2020-03-19,48.810001373291016
2020-03-20,47.630001068115234
2020-03-23,47.709999084472656
2020-03-24,55.040000915527344
2020-03-25,56.33000183105469
2020-03-26,58.84000015258789
2020-03-27,57.25
2020-03-30,57.63999938964844
2020-03-31,57.09999847412109
2020-04-01,51.0
2020-04-02,49.880001068115234
2020-04-03,50.20000076293945
2020-04-06,51.81999969482422
2020-04-07,55.09999847412109
2020-04-08,57.75
2020-04-09,58.400001525878906
2020-04-13,58.2599983215332
2020-04-14,60.70000076293945
2020-04-15,55.90999984741211
2020-04-16,57.54999923706055
2020-04-17,59.91999816894531
2020-04-20,57.5099983215332
2020-04-21,55.709999084472656
2020-04-22,56.33000183105469
2020-04-23,56.68999862670898
2020-04-24,57.77999877929688
2020-04-27,58.54999923706055
2020-04-28,60.15999984741211
2020-04-29,64.88999938964844
2020-04-30,61.36000061035156
2020-05-01,58.34999847412109
2020-05-04,57.70000076293945
2020-05-05,58.970001220703125
2020-05-06,59.0
2020-05-07,55.41999816894531
2020-05-08,61.540000915527344
2020-05-11,59.65999984741211
2020-05-12,58.22999954223633
2020-05-13,54.77999877929688
2020-05-14,54.5099983215332
2020-05-15,52.09000015258789
2020-05-18,56.369998931884766
2020-05-19,55.86000061035156
2020-05-20,56.27000045776367
2020-05-21,55.83000183105469
2020-05-22,57.220001220703125
2020-05-26,60.70000076293945
2020-05-27,61.95000076293945
2020-05-28,59.619998931884766
2020-05-29,60.060001373291016
2020-06-01,61.59000015258789
2020-06-02,61.77000045776367
2020-06-03,64.77999877929688
2020-06-04,65.80999755859375
2020-06-05,71.25
2020-06-08,74.58000183105469
2020-06-09,71.9000015258789
2020-06-10,70.5199966430664
2020-06-11,63.2599983215332
2020-06-12,64.97000122070312
2020-06-15,65.5199966430664
2020-06-16,67.95999908447266
2020-06-17,67.83000183105469
2020-06-18,67.79000091552734
2020-06-19,66.19999694824219
2020-06-22,65.8499984741211
2020-06-23,66.54000091552734
2020-06-24,63.04999923706055
2020-06-25,63.86000061035156
2020-06-26,62.52999877929688

Indicator data:
date,10-day,5-day
2020-03-11,79.33254574862393,74.75400085449219
2020-03-12,75.87345497824928,70.05600077311198
2020-03-13,72.97781829833984,67.05466664632162
2020-03-16,68.42654529918323,61.55133285522461
2020-03-17,64.62272734208541,57.67399978637695
2020-03-18,59.93109068437056,52.39666595458984
2020-03-19,56.71363636363636,50.14733327229818
2020-03-20,53.96436379172585,48.474667104085285
2020-03-23,51.879454526034266,47.91000010172526
2020-03-24,51.594000105424364,50.104000345865884
2020-03-25,51.86472771384499,52.600667572021486
2020-03-26,52.86636408025568,55.179334004720054
2020-03-27,53.661091336337,56.55933380126953
2020-03-30,54.64672754461115,57.428000132242836
2020-03-31,55.43963629982688,57.45466613769531
2020-04-01,55.051272652365945,55.31066614786784
2020-04-02,54.35036371404475,53.14866663614909
2020-04-03,53.68818199851296,51.69066696166992
2020-04-06,53.27381827614524,51.24266688028971
2020-04-07,53.38109068437056,52.27599970499674
2020-04-08,53.969090687144885,54.32599970499675
2020-04-09,54.64945463700728,56.14266688028972
2020-04-13,55.31236343383789,57.3446662902832
2020-04-14,56.40054543235085,58.82266667683919
2020-04-15,56.562181784889916,58.11200002034505
2020-04-16,57.04363618330522,57.89399973551432
2020-04-17,57.83690858320757,58.479332478841144
2020-04-20,58.009453790838066,58.1599988301595
2020-04-21,57.721817363392226,57.29066543579101
2020-04-22,57.47618144642223,56.96066640218099
2020-04-23,57.27363579489968,56.72266616821289
2020-04-24,57.28854474154386,56.90533269246419
2020-04-27,57.45472654862837,57.48733266194662
2020-04-28,57.90836299549449,58.53666610717774
2020-04-29,59.231817557594994,60.86599934895833
2020-04-30,59.75018144087358,61.44799982706706
2020-05-01,59.65199945623225,60.71533279418945
2020-05-04,59.46418151855469,59.72799987792969
2020-05-05,59.50381816517223,59.22066701253255
2020-05-06,59.489636369185014,58.802666982014976
2020-05-07,58.77599972811612,57.58399963378906
2020-05-08,59.19818177656694,58.80133336385091
2020-05-11,59.21018177379261,59.1793332417806
2020-05-12,58.94199988625267,58.949999745686846
2020-05-13,58.08163604736328,57.619999440511066
2020-05-14,57.355999409068716,56.48133239746094
2020-05-15,56.31490859985352,54.596665954589845
2020-05-18,56.165817538174714,54.768665822347
2020-05-19,55.94818136041815,54.98999964396159
2020-05-20,55.86163607510653,55.50600001017253
2020-05-21,55.744727394797586,55.77600072224935
2020-05-22,55.87309126420455,56.42133433024089
2020-05-26,56.71272777210582,57.88466771443685
2020-05-27,57.760727899724785,59.4760009765625
2020-05-28,58.31745494495738,59.884666951497394
2020-05-29,58.866182431307706,60.21666717529297
2020-06-01,59.592182367498225,60.77666702270508
2020-06-02,60.178182359175246,61.105333709716795
2020-06-03,61.21327292702415,62.36599985758463
2020-06-04,62.27345421530983,63.781332397460936
2020-06-05,64.14927236383612,66.59733250935872
2020-06-08,66.35018178766424,69.7773333231608
2020-06-09,67.74818205399947,71.19800059000652
2020-06-10,68.69163596413352,71.48333282470703
2020-06-11,68.15927207253196,68.96599909464518
2020-06-12,67.87163599187677,67.18866628011068
2020-06-15,67.5947263544256,66.01333185831706
2020-06-16,67.68999904285778,66.25533192952474
2020-06-17,67.64909043745561,66.71666641235352
2020-06-18,67.54545433738015,67.34400024414063
2020-06-19,67.11672654585405,67.1393325805664
2020-06-22,66.7161809054288,66.73599904378256
2020-06-23,66.59981758811257,66.54066619873046
2020-06-24,65.94636306762695,65.27666600545247
2020-06-25,65.575999658758,64.60133310953776
2020-06-26,64.95290860262784,63.744666290283206

Answer: 6.0