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# Fourier Analysis of HD (Home Depot, Inc. (The) Common S)

HD (Home Depot, Inc. (The) Common S) appears to have interesting cyclic behaviour every 168 weeks (4.7182*sine), 185 weeks (4.7027*sine), and 142 weeks (1.3254*cosine).

HD (Home Depot, Inc. (The) Common S) has an average price of 25.61 (topmost row, frequency = 0).

Click on the checkboxes shown on the right to see how the various frequencies contribute to the graph. Look for large magnitude coefficients (sine or cosine), as these are associated with frequencies which contribute most to the associated stock plot. If you find a large magnitude coefficient which dramatically changes the graph, look at the associated "Period" in weeks, as you may have found a significant recurring cycle for the stock of interest.

## Fourier Analysis

Using data from 9/22/1981 to 3/20/2017 for HD (Home Depot, Inc. (The) Common S), this program was able to calculate the following Fourier Series:
Sequence #Cosine Coefficients Sine Coefficients FrequenciesPeriod
025.60603   0
112.47601 -20.72156 (1*2π)/18521,852 weeks
216.18434 -12.28159 (2*2π)/1852926 weeks
36.46883 -16.97192 (3*2π)/1852617 weeks
44.86668 -11.799 (4*2π)/1852463 weeks
5-1.51279 -11.08167 (5*2π)/1852370 weeks
62.55963 -6.03782 (6*2π)/1852309 weeks
7.20795 -8.03833 (7*2π)/1852265 weeks
8.29772 -5.1327 (8*2π)/1852232 weeks
9.35301 -5.68868 (9*2π)/1852206 weeks
10.35491 -4.70267 (10*2π)/1852185 weeks
11-.10948 -4.71818 (11*2π)/1852168 weeks
12-.52435 -4.52436 (12*2π)/1852154 weeks
13-1.32538 -3.13086 (13*2π)/1852142 weeks
14.03309 -2.27809 (14*2π)/1852132 weeks
15-.41351 -2.75231 (15*2π)/1852123 weeks
16.3898 -1.84706 (16*2π)/1852116 weeks
17.18035 -2.79904 (17*2π)/1852109 weeks
18.2194 -1.70413 (18*2π)/1852103 weeks
19.72521 -2.92354 (19*2π)/185297 weeks
20-.49333 -1.96622 (20*2π)/185293 weeks
21.63843 -2.30636 (21*2π)/185288 weeks
22-.33363 -2.28508 (22*2π)/185284 weeks
23-.05512 -1.80609 (23*2π)/185281 weeks
24-.28357 -2.04728 (24*2π)/185277 weeks
25-.12844 -1.49533 (25*2π)/185274 weeks
26-.25248 -1.62876 (26*2π)/185271 weeks
27-.29641 -1.26353 (27*2π)/185269 weeks
28.02601 -.90709 (28*2π)/185266 weeks
29.72122 -1.36437 (29*2π)/185264 weeks
30-.20368 -1.5577 (30*2π)/185262 weeks
31.40248 -1.16683 (31*2π)/185260 weeks
32.01248 -1.52487 (32*2π)/185258 weeks
33.16522 -1.10285 (33*2π)/185256 weeks
34.04907 -1.30995 (34*2π)/185254 weeks
35.4343 -1.01881 (35*2π)/185253 weeks
36.25667 -1.68765 (36*2π)/185251 weeks
37-.00899 -1.31348 (37*2π)/185250 weeks
38-.06068 -1.45801 (38*2π)/185249 weeks
39-.29683 -.98574 (39*2π)/185247 weeks
40.06851 -.96609 (40*2π)/185246 weeks
41.16627 -1.07005 (41*2π)/185245 weeks
42-.07769 -1.09792 (42*2π)/185244 weeks
43.05734 -.99246 (43*2π)/185243 weeks
44-.20143 -.92061 (44*2π)/185242 weeks
45.31508 -.75196 (45*2π)/185241 weeks
46-.0364 -.92075 (46*2π)/185240 weeks
47.41339 -.87479 (47*2π)/185239 weeks
48-.00199 -1.10415 (48*2π)/185239 weeks
49.36618 -.87686 (49*2π)/185238 weeks
50-.16279 -1.2564 (50*2π)/185237 weeks
51.12659 -.564 (51*2π)/185236 weeks
52.23334 -1.20827 (52*2π)/185236 weeks
53-.13504 -.84319 (53*2π)/185235 weeks
54.2094 -.7543 (54*2π)/185234 weeks
55.22368 -.93509 (55*2π)/185234 weeks
56.21009 -1.04162 (56*2π)/185233 weeks
57.08618 -1.13792 (57*2π)/185232 weeks
58-.06562 -1.04802 (58*2π)/185232 weeks
59-.09773 -1.10945 (59*2π)/185231 weeks
60-.27995 -.88471 (60*2π)/185231 weeks
61-.13391 -.79115 (61*2π)/185230 weeks
62-.0981 -.81691 (62*2π)/185230 weeks
63-.19064 -.74732 (63*2π)/185229 weeks
64-.04545 -.74967 (64*2π)/185229 weeks
65-.23159 -.69721 (65*2π)/185228 weeks
66.09713 -.58602 (66*2π)/185228 weeks
67-.09606 -.82749 (67*2π)/185228 weeks
68-.08509 -.66423 (68*2π)/185227 weeks
69-.14534 -.69638 (69*2π)/185227 weeks
70.00031 -.54819 (70*2π)/185226 weeks
71-.09162 -.639 (71*2π)/185226 weeks
72.14835 -.64399 (72*2π)/185226 weeks
73-.13716 -.75982 (73*2π)/185225 weeks
74.01648 -.55507 (74*2π)/185225 weeks
75-.06703 -.75009 (75*2π)/185225 weeks
76-.0087 -.54531 (76*2π)/185224 weeks
77-.00577 -.74452 (77*2π)/185224 weeks
78-.11442 -.59867 (78*2π)/185224 weeks
79.03816 -.64022 (79*2π)/185223 weeks
80-.16125 -.68573 (80*2π)/185223 weeks
81-.02268 -.47615 (81*2π)/185223 weeks
82-.02336 -.73484 (82*2π)/185223 weeks
83-.08982 -.4643 (83*2π)/185222 weeks
84.01233 -.74061 (84*2π)/185222 weeks
85-.08351 -.47334 (85*2π)/185222 weeks
86.03743 -.72286 (86*2π)/185222 weeks
87-.0997 -.58259 (87*2π)/185221 weeks
88.05511 -.79802 (88*2π)/185221 weeks
89-.39518 -.74036 (89*2π)/185221 weeks
90-.13919 -.49657 (90*2π)/185221 weeks
91-.2682 -.62994 (91*2π)/185220 weeks
92-.24713 -.46081 (92*2π)/185220 weeks
93-.24739 -.49953 (93*2π)/185220 weeks
94-.1728 -.35175 (94*2π)/185220 weeks
95-.18038 -.53533 (95*2π)/185219 weeks
96-.29718 -.3067 (96*2π)/185219 weeks
97-.12427 -.35064 (97*2π)/185219 weeks
98-.11702 -.22083 (98*2π)/185219 weeks
99-.06426 -.44815 (99*2π)/185219 weeks
100-.10864 -.20022 (100*2π)/185219 weeks
101-.07417 -.46625 (101*2π)/185218 weeks
102-.11898 -.01969 (102*2π)/185218 weeks
103.2204 -.40339 (103*2π)/185218 weeks
104-.01688 -.27527 (104*2π)/185218 weeks
105.12757 -.46779 (105*2π)/185218 weeks
106-.07154 -.23538 (106*2π)/185217 weeks
107.24929 -.37422 (107*2π)/185217 weeks
108.0958 -.43177 (108*2π)/185217 weeks
109.16053 -.51642 (109*2π)/185217 weeks
110-.0913 -.52169 (110*2π)/185217 weeks
111.11539 -.3049 (111*2π)/185217 weeks
112.1393 -.55931 (112*2π)/185217 weeks
113.01296 -.5594 (113*2π)/185216 weeks
114-.03434 -.54879 (114*2π)/185216 weeks
115-.08149 -.42372 (115*2π)/185216 weeks
116.07165 -.47229 (116*2π)/185216 weeks
117-.05373 -.60252 (117*2π)/185216 weeks
118-.13389 -.4448 (118*2π)/185216 weeks
119-.06749 -.43469 (119*2π)/185216 weeks
120-.02531 -.45334 (120*2π)/185215 weeks
121-.05888 -.49025 (121*2π)/185215 weeks
122-.14058 -.48126 (122*2π)/185215 weeks
123-.11716 -.38944 (123*2π)/185215 weeks
124-.09221 -.37429 (124*2π)/185215 weeks
125-.00066 -.4184 (125*2π)/185215 weeks
126-.11986 -.47909 (126*2π)/185215 weeks
127-.12417 -.33876 (127*2π)/185215 weeks
128-.05354 -.42976 (128*2π)/185214 weeks
129-.09796 -.34113 (129*2π)/185214 weeks
130-.06661 -.49841 (130*2π)/185214 weeks
131-.20009 -.28635 (131*2π)/185214 weeks
132.00256 -.42335 (132*2π)/185214 weeks
133-.2544 -.32726 (133*2π)/185214 weeks
134-.00286 -.30392 (134*2π)/185214 weeks
135-.17433 -.3002 (135*2π)/185214 weeks
136.08329 -.26295 (136*2π)/185214 weeks
137-.10264 -.40963 (137*2π)/185214 weeks
138.05725 -.30179 (138*2π)/185213 weeks
139-.13344 -.45221 (139*2π)/185213 weeks
140-.00045 -.28196 (140*2π)/185213 weeks
141-.067 -.38169 (141*2π)/185213 weeks
142.01618 -.42547 (142*2π)/185213 weeks
143-.14463 -.40047 (143*2π)/185213 weeks
144-.02683 -.37053 (144*2π)/185213 weeks
145-.22256 -.43727 (145*2π)/185213 weeks
146-.06705 -.26541 (146*2π)/185213 weeks
147-.18738 -.37304 (147*2π)/185213 weeks
148-.07311 -.22233 (148*2π)/185213 weeks
149-.09903 -.35024 (149*2π)/185212 weeks
150-.04613 -.22015 (150*2π)/185212 weeks
151-.07518 -.40528 (151*2π)/185212 weeks
152-.08268 -.21014 (152*2π)/185212 weeks
153-.01935 -.36747 (153*2π)/185212 weeks
154-.09053 -.28474 (154*2π)/185212 weeks
155-.00781 -.3396 (155*2π)/185212 weeks
156-.06904 -.34551 (156*2π)/185212 weeks
157-.06468 -.4027 (157*2π)/185212 weeks
158-.18563 -.34369 (158*2π)/185212 weeks
159-.11476 -.30976 (159*2π)/185212 weeks
160-.21616 -.23901 (160*2π)/185212 weeks
161-.01967 -.17282 (161*2π)/185212 weeks
162-.07176 -.31594 (162*2π)/185211 weeks
163-.04162 -.17872 (163*2π)/185211 weeks
164.00959 -.3284 (164*2π)/185211 weeks
165-.02352 -.28857 (165*2π)/185211 weeks
166-.03944 -.36988 (166*2π)/185211 weeks
167-.08635 -.3215 (167*2π)/185211 weeks
168-.07232 -.32194 (168*2π)/185211 weeks
169-.13781 -.29717 (169*2π)/185211 weeks
170-.03187 -.26654 (170*2π)/185211 weeks
171-.09149 -.31063 (171*2π)/185211 weeks
172-.04615 -.27228 (172*2π)/185211 weeks
173-.05352 -.34536 (173*2π)/185211 weeks
174-.06456 -.27328 (174*2π)/185211 weeks
175-.02479 -.39293 (175*2π)/185211 weeks
176-.1626 -.38256 (176*2π)/185211 weeks
177-.15121 -.28121 (177*2π)/185210 weeks
178-.12386 -.28025 (178*2π)/185210 weeks
179-.0923 -.31076 (179*2π)/185210 weeks
180-.13617 -.311 (180*2π)/185210 weeks
181-.16677 -.30138 (181*2π)/185210 weeks
182-.15029 -.25734 (182*2π)/185210 weeks
183-.13164 -.28878 (183*2π)/185210 weeks
184-.22936 -.25778 (184*2π)/185210 weeks
185-.15375 -.1382 (185*2π)/185210 weeks
186-.04792 -.22269 (186*2π)/185210 weeks
187-.12132 -.25537 (187*2π)/185210 weeks
188-.16317 -.25674 (188*2π)/185210 weeks
189-.15997 -.15618 (189*2π)/185210 weeks
190-.08336 -.1614 (190*2π)/185210 weeks
191-.09305 -.19219 (191*2π)/185210 weeks
192-.07184 -.17589 (192*2π)/185210 weeks
193-.028 -.20227 (193*2π)/185210 weeks
194-.0648 -.2304 (194*2π)/185210 weeks
195-.04861 -.2359 (195*2π)/18529 weeks
196-.08521 -.25381 (196*2π)/18529 weeks
197-.07936 -.22583 (197*2π)/18529 weeks
198-.0704 -.2748 (198*2π)/18529 weeks
199-.17535 -.21681 (199*2π)/18529 weeks
200-.04921 -.19758 (200*2π)/18529 weeks
201-.14488 -.23046 (201*2π)/18529 weeks
202-.05982 -.14577 (202*2π)/18529 weeks
203-.11177 -.2455 (203*2π)/18529 weeks
204-.04154 -.12906 (204*2π)/18529 weeks
205-.06207 -.28278 (205*2π)/18529 weeks
206-.0936 -.16395 (206*2π)/18529 weeks
207-.07299 -.27148 (207*2π)/18529 weeks
208-.14503 -.12826 (208*2π)/18529 weeks
209.00822 -.18254 (209*2π)/18529 weeks
210-.07197 -.23612 (210*2π)/18529 weeks
211-.05783 -.20371 (211*2π)/18529 weeks
212-.0829 -.22711 (212*2π)/18529 weeks
213-.06796 -.20343 (213*2π)/18529 weeks
214-.07026 -.20671 (214*2π)/18529 weeks
215-.09437 -.23209 (215*2π)/18529 weeks
216-.09854 -.17795 (216*2π)/18529 weeks
217-.075 -.18288 (217*2π)/18529 weeks
218-.07898 -.14675 (218*2π)/18528 weeks
219-.00121 -.17653 (219*2π)/18528 weeks
220-.05651 -.20565 (220*2π)/18528 weeks
221.00788 -.15779 (221*2π)/18528 weeks
222.03224 -.30131 (222*2π)/18528 weeks
223-.0685 -.2624 (223*2π)/18528 weeks
224-.04456 -.32145 (224*2π)/18528 weeks
225-.15863 -.28524 (225*2π)/18528 weeks
226-.12906 -.26666 (226*2π)/18528 weeks
227-.23044 -.17781 (227*2π)/18528 weeks
228-.08736 -.14004 (228*2π)/18528 weeks
229-.13654 -.13837 (229*2π)/18528 weeks
230-.00253 -.14888 (230*2π)/18528 weeks
231-.07606 -.20641 (231*2π)/18528 weeks
232-.04059 -.21135 (232*2π)/18528 weeks
233-.13047 -.22417 (233*2π)/18528 weeks
234-.06107 -.16659 (234*2π)/18528 weeks
235-.13526 -.214 (235*2π)/18528 weeks
236-.05698 -.10332 (236*2π)/18528 weeks
237-.03393 -.24407 (237*2π)/18528 weeks
238-.12419 -.17485 (238*2π)/18528 weeks
239-.0632 -.19716 (239*2π)/18528 weeks
240-.11622 -.11577 (240*2π)/18528 weeks
241.01747 -.21117 (241*2π)/18528 weeks
242-.13319 -.18953 (242*2π)/18528 weeks
243-.00513 -.1645 (243*2π)/18528 weeks
244-.08945 -.21275 (244*2π)/18528 weeks
245-.03175 -.18 (245*2π)/18528 weeks
246-.05729 -.24063 (246*2π)/18528 weeks
247-.08577 -.24138 (247*2π)/18527 weeks
248-.13389 -.16831 (248*2π)/18527 weeks
249-.03684 -.22919 (249*2π)/18527 weeks
250-.15892 -.18334 (250*2π)/18527 weeks
251-.05866 -.17027 (251*2π)/18527 weeks
252-.12855 -.17799 (252*2π)/18527 weeks
253-.02865 -.17016 (253*2π)/18527 weeks
254-.12031 -.18805 (254*2π)/18527 weeks
255-.01753 -.1873 (255*2π)/18527 weeks
256-.12447 -.26409 (256*2π)/18527 weeks
257-.14283 -.18575 (257*2π)/18527 weeks
258-.14261 -.15465 (258*2π)/18527 weeks
259-.11157 -.14275 (259*2π)/18527 weeks
260-.08482 -.11008 (260*2π)/18527 weeks
261-.04356 -.16526 (261*2π)/18527 weeks
262-.08895 -.1832 (262*2π)/18527 weeks
263-.05886 -.16075 (263*2π)/18527 weeks
264-.11366 -.20241 (264*2π)/18527 weeks
265-.10499 -.12691 (265*2π)/18527 weeks
266-.04931 -.14248 (266*2π)/18527 weeks
267-.03697 -.16972 (267*2π)/18527 weeks
268-.0965 -.23286 (268*2π)/18527 weeks
269-.10122 -.14757 (269*2π)/18527 weeks
270-.07199 -.15303 (270*2π)/18527 weeks
271-.05414 -.21532 (271*2π)/18527 weeks
272-.1334 -.20219 (272*2π)/18527 weeks
273-.1018 -.14253 (273*2π)/18527 weeks
274-.11019 -.19314 (274*2π)/18527 weeks
275-.09071 -.14286 (275*2π)/18527 weeks
276-.13444 -.20632 (276*2π)/18527 weeks
277-.12898 -.09849 (277*2π)/18527 weeks
278-.07576 -.17233 (278*2π)/18527 weeks
279-.1245 -.1242 (279*2π)/18527 weeks
280-.07866 -.17577 (280*2π)/18527 weeks
281-.17136 -.12181 (281*2π)/18527 weeks
282-.05067 -.10593 (282*2π)/18527 weeks
283-.13524 -.154 (283*2π)/18527 weeks
284-.08245 -.09429 (284*2π)/18527 weeks
285-.12188 -.10978 (285*2π)/18526 weeks
286-.03833 -.06096 (286*2π)/18526 weeks
287-.02509 -.13821 (287*2π)/18526 weeks
288-.04033 -.14969 (288*2π)/18526 weeks
289-.08384 -.18866 (289*2π)/18526 weeks
290-.08485 -.11284 (290*2π)/18526 weeks
291-.0776 -.17684 (291*2π)/18526 weeks
292-.095 -.09853 (292*2π)/18526 weeks
293-.0955 -.16691 (293*2π)/18526 weeks
294-.08735 -.07108 (294*2π)/18526 weeks
295-.05885 -.10832 (295*2π)/18526 weeks
296-.01927 -.1037 (296*2π)/18526 weeks
297-.04156 -.15999 (297*2π)/18526 weeks
298-.04429 -.1083 (298*2π)/18526 weeks
299-.02824 -.18429 (299*2π)/18526 weeks
300-.06293 -.12773 (300*2π)/18526 weeks
301-.02164 -.18703 (301*2π)/18526 weeks
302-.10632 -.13769 (302*2π)/18526 weeks
303.0052 -.15073 (303*2π)/18526 weeks
304-.08281 -.19009 (304*2π)/18526 weeks
305-.03126 -.1811 (305*2π)/18526 weeks
306-.12462 -.20118 (306*2π)/18526 weeks
307-.06145 -.13932 (307*2π)/18526 weeks
308-.11383 -.20797 (308*2π)/18526 weeks
309-.1167 -.11592 (309*2π)/18526 weeks
310-.06854 -.13597 (310*2π)/18526 weeks
311-.08719 -.17103 (311*2π)/18526 weeks
312-.10032 -.09707 (312*2π)/18526 weeks
313-.03558 -.17743 (313*2π)/18526 weeks
314-.11041 -.11785 (314*2π)/18526 weeks
315-.03191 -.1769 (315*2π)/18526 weeks
316-.10904 -.15933 (316*2π)/18526 weeks
317-.06318 -.18071 (317*2π)/18526 weeks
318-.15631 -.14879 (318*2π)/18526 weeks
319-.05098 -.1464 (319*2π)/18526 weeks
320-.15106 -.14709 (320*2π)/18526 weeks
321-.08087 -.12764 (321*2π)/18526 weeks
322-.11819 -.12428 (322*2π)/18526 weeks
323-.05696 -.1247 (323*2π)/18526 weeks
324-.10356 -.14711 (324*2π)/18526 weeks
325-.07639 -.142 (325*2π)/18526 weeks
326-.11383 -.14923 (326*2π)/18526 weeks
327-.08382 -.13306 (327*2π)/18526 weeks
328-.12959 -.14751 (328*2π)/18526 weeks
329-.08919 -.11188 (329*2π)/18526 weeks
330-.11894 -.15244 (330*2π)/18526 weeks
331-.11779 -.09738 (331*2π)/18526 weeks
332-.09134 -.10969 (332*2π)/18526 weeks
333-.07856 -.12336 (333*2π)/18526 weeks
334-.11584 -.14686 (334*2π)/18526 weeks
335-.13018 -.1122 (335*2π)/18526 weeks
336-.13366 -.09182 (336*2π)/18526 weeks
337-.0939 -.04211 (337*2π)/18525 weeks
338-.07552 -.11247 (338*2π)/18525 weeks
339-.08343 -.04073 (339*2π)/18525 weeks
340-.03121 -.1211 (340*2π)/18525 weeks
341-.08122 -.08008 (341*2π)/18525 weeks
342.01054 -.13629 (342*2π)/18525 weeks
343-.12328 -.15394 (343*2π)/18525 weeks
344-.0355 -.11441 (344*2π)/18525 weeks
345-.12298 -.16667 (345*2π)/18525 weeks
346-.07566 -.08307 (346*2π)/18525 weeks
347-.1002 -.17839 (347*2π)/18525 weeks
348-.13439 -.05392 (348*2π)/18525 weeks
349-.05245 -.12595 (349*2π)/18525 weeks
350-.11719 -.0733 (350*2π)/18525 weeks
351-.0342 -.12502 (351*2π)/18525 weeks
352-.12579 -.10773 (352*2π)/18525 weeks
353-.05429 -.09968 (353*2π)/18525 weeks
354-.09969 -.09706 (354*2π)/18525 weeks
355-.0542 -.12593 (355*2π)/18525 weeks
356-.10685 -.11926 (356*2π)/18525 weeks
357-.10189 -.10265 (357*2π)/18525 weeks
358-.10715 -.08729 (358*2π)/18525 weeks
359-.07354 -.07798 (359*2π)/18525 weeks
360-.09599 -.081 (360*2π)/18525 weeks
361-.06154 -.06752 (361*2π)/18525 weeks
362-.05266 -.09563 (362*2π)/18525 weeks
363-.0566 -.09088 (363*2π)/18525 weeks
364-.08234 -.12373 (364*2π)/18525 weeks
365-.08936 -.06401 (365*2π)/18525 weeks
366-.05029 -.0813 (366*2π)/18525 weeks
367-.04493 -.04029 (367*2π)/18525 weeks
368.01782 -.15299 (368*2π)/18525 weeks
369-.09273 -.10428 (369*2π)/18525 weeks
370-.00877 -.12557 (370*2π)/18525 weeks
371-.07619 -.11857 (371*2π)/18525 weeks
372-.01293 -.16145 (372*2π)/18525 weeks
373-.12968 -.1442 (373*2π)/18525 weeks
374-.06411 -.11258 (374*2π)/18525 weeks
375-.10059 -.11318 (375*2π)/18525 weeks
376-.06069 -.12124 (376*2π)/18525 weeks
377-.10761 -.11533 (377*2π)/18525 weeks
378-.07091 -.09979 (378*2π)/18525 weeks
379-.09548 -.12107 (379*2π)/18525 weeks
380-.08834 -.08609 (380*2π)/18525 weeks
381-.07001 -.11649 (381*2π)/18525 weeks
382-.1235 -.07558 (382*2π)/18525 weeks
383-.00608 -.07641 (383*2π)/18525 weeks
384-.11142 -.14017 (384*2π)/18525 weeks
385-.04595 -.07307 (385*2π)/18525 weeks
386-.10966 -.14019 (386*2π)/18525 weeks
387-.05448 -.03337 (387*2π)/18525 weeks
388-.07413 -.15945 (388*2π)/18525 weeks
389-.0821 -.04351 (389*2π)/18525 weeks
390-.06227 -.13596 (390*2π)/18525 weeks
391-.10736 -.05072 (391*2π)/18525 weeks
392-.02666 -.07716 (392*2π)/18525 weeks
393-.05391 -.08162 (393*2π)/18525 weeks
394-.02778 -.10829 (394*2π)/18525 weeks
395-.04984 -.10913 (395*2π)/18525 weeks
396-.0489 -.0996 (396*2π)/18525 weeks
397-.0343 -.12631 (397*2π)/