filter data by average moving box
Examples
ma(rnorm(1000),5)
#> Time Series:
#> Start = 1
#> End = 1000
#> Frequency = 1
#> [1] -0.8531133865 -0.8401483147 -0.5932017277 -0.0835107031 -0.4989376463
#> [6] -0.0609499845 -0.1086756485 -0.2895272825 -0.6299494805 -0.1397895399
#> [11] 0.3226804996 0.0453225406 0.2043490203 -0.0575134014 -0.2877123127
#> [16] -0.7112376738 -0.2764405249 -0.5617408803 -0.0955076978 0.0814850564
#> [21] -0.1689032707 -0.1299472749 0.4305686764 0.3174487714 0.0576890495
#> [26] 0.3154076963 0.0024946413 -0.6776862748 -0.4711246160 -0.2486574232
#> [31] -0.1967302680 0.2933372995 0.6182248463 0.4043528057 -0.0129624099
#> [36] -0.1175469512 -0.5049459236 -0.3138919644 -0.2730855917 -0.0188927629
#> [41] 0.0269617056 0.0393542126 -0.0851479400 0.4519286050 0.5890595459
#> [46] 0.7145943395 0.7885300031 0.3172264817 -0.0614397370 -0.1193933610
#> [51] -0.2761526138 -0.2959560703 0.0923001788 0.0298483908 -0.3763272327
#> [56] 0.2014016430 0.1253218735 0.1620808725 0.2669845406 0.5887898623
#> [61] 0.2750689094 0.2981338781 0.0199500664 -0.3900892333 -0.0440601196
#> [66] -0.2405164764 -0.0936114322 -0.1979888840 -0.2969660220 -0.4531474173
#> [71] -0.2120174616 -0.2624039668 0.3411448236 0.7400740423 0.8045935829
#> [76] 0.5151423658 0.5022394523 0.2205153181 0.5006020288 0.6389309713
#> [81] 0.8106763592 0.8874848820 0.7958988866 0.6331371969 -0.1490082215
#> [86] -0.3299052302 -0.3543721381 -0.3211109077 -0.4583803713 0.2767068945
#> [91] 0.5175881737 0.4231896367 0.5968096430 0.8465486502 0.5630560183
#> [96] 0.5425830717 0.8135689219 0.6570111330 0.2449918958 0.1587775974
#> [101] -0.2418393533 -0.6643129104 -0.9562399911 -1.0169048555 -0.9715267232
#> [106] -0.8675120151 -0.6629783026 -0.1160322329 -0.0197011838 -0.1878748770
#> [111] -0.0288347541 -0.1626200712 -0.2445910830 0.2225555390 0.5874093193
#> [116] 0.1988455553 0.3370858027 0.4379334808 0.4204372415 0.4253563088
#> [121] 1.0405754244 1.0760083770 0.8829575251 0.4795426192 0.5103740657
#> [126] 0.1794811420 -0.0114849839 0.0054281021 -0.2282707783 -0.1797560475
#> [131] -0.1108820071 -0.2662525926 -0.4936648890 -0.1735566363 -0.5138340694
#> [136] -0.5875570390 -0.1475413119 0.0549019880 -0.0685015983 -0.0629231320
#> [141] 0.3697570359 0.3440527506 0.5265832018 0.8234746676 0.7649945357
#> [146] 0.4926133752 0.0375053683 0.1480623252 -0.0304643989 0.2178984497
#> [151] -0.1126239941 0.0775929472 -0.0184476415 0.0312596131 0.0145388397
#> [156] 0.1708650824 0.4390369286 0.3894115445 -0.1261373491 0.0533195988
#> [161] 0.0627855355 -0.0411699495 -0.5601706439 -0.3378102482 -0.7515714391
#> [166] -0.6170306248 -0.7268215430 -0.2651693451 -0.1280993102 -0.0963088951
#> [171] 0.0850950514 0.3344455917 0.3846560388 0.6124239271 0.7124604309
#> [176] 0.2032589958 -0.0500380964 0.2385715270 -0.1769483034 -0.3114756585
#> [181] -0.3914741443 -0.0251622785 -0.3566790729 0.2502766562 0.4487572784
#> [186] 1.2967044066 1.2039165045 1.3216183773 1.1477640929 1.0991879422
#> [191] 0.4216540445 0.0934772907 0.2176961905 0.0195268511 0.1742270154
#> [196] 0.5666207762 0.9306503162 0.7003106297 0.5878361830 0.7846285827
#> [201] 0.5427155658 0.2400322139 -0.3717219809 -0.2727486352 -0.7645426809
#> [206] -0.8770068299 -1.2353069831 -0.2161845716 -0.4599615772 -0.3083873720
#> [211] -0.0244792216 0.1341490464 -0.2872090494 -0.0415081921 0.1383222675
#> [216] 0.0641310320 0.0277737003 0.1075866147 0.0247782603 -0.1020394735
#> [221] -0.1770798749 0.1382402921 -0.2496874423 0.0647777450 0.1479774920
#> [226] 0.0453961172 0.1622865161 0.0561812832 -0.1430116607 -0.4736594075
#> [231] -0.2297131937 -0.6839674927 -0.3639650779 -0.5393571009 -0.4458333994
#> [236] -0.4601901772 0.0829886686 -0.2685229518 -0.3211789876 0.1113868996
#> [241] 0.1963759089 0.2064543180 0.2575011111 0.7146462731 0.4517447216
#> [246] 0.2161294078 0.0636614851 0.3757002197 -0.0669248044 -0.1682685745
#> [251] -0.3914194460 -0.6300497558 -0.3646660544 -0.3643439089 -0.2056704349
#> [256] -0.0629528953 -0.0335741016 -0.0327203461 0.1629362313 -0.1816828809
#> [261] -0.0877328477 -0.0092141839 -0.4825042556 -0.9328706222 -0.2675343095
#> [266] -0.4590988131 -0.4371722134 -0.2079122633 0.2246980111 -0.5894892873
#> [271] -0.4194361485 -0.3764565837 -0.4228712586 -0.0595022630 0.8077642534
#> [276] 0.9732791865 1.1042169048 1.0409973811 0.8678489765 0.2522873464
#> [281] 0.2230204574 0.1341203315 0.2690974883 0.2926641493 0.2881748535
#> [286] 0.2190663666 0.4376522753 0.2875707931 0.0267864877 0.1707371995
#> [291] -0.0747360736 -0.2616734790 0.1359545963 -0.1322330348 -0.3710889143
#> [296] 0.0061722956 0.0348537248 0.1364277167 0.3682077394 0.4385196805
#> [301] 0.4785875229 0.5900761537 0.2072991151 0.1984429483 0.5345666462
#> [306] 0.7139746881 0.8545920396 0.4971895114 0.4692859284 0.1121627796
#> [311] -0.1708473723 -0.9116492865 -0.5152563827 -0.3988449287 0.0709801994
#> [316] -0.0922252335 0.0603769962 0.0214636428 0.1431435320 -0.0240066360
#> [321] 0.3228840616 0.5485564209 0.9340898867 0.5087437952 0.5215388278
#> [326] 0.5048279250 0.5624784445 0.2680995880 0.7737700535 0.2962813284
#> [331] 0.2591628898 0.1532512137 0.0813471140 0.1241841470 0.2930265207
#> [336] -0.1748613599 -0.1190066663 -0.0074315348 -0.3075672245 0.3368391403
#> [341] 0.5408660257 0.2402979376 -0.1587412980 0.2290480218 -0.2043044185
#> [346] -0.2695767922 -0.0148503998 0.3709003269 -0.0858104698 -0.0988811201
#> [351] 0.0938667260 0.4644253667 0.5968642377 1.0162919168 0.9685758430
#> [356] 1.2287092804 0.7716953085 0.3088131563 -0.0635917697 0.2257849729
#> [361] 0.0229715782 0.4939666003 0.6461035697 0.9113605382 0.3561247221
#> [366] 0.0271091760 -0.1134891198 -0.1272394021 -0.2879676709 -0.0849930364
#> [371] -0.1106789629 -0.5258619477 -0.5588132271 -0.3641062159 -0.1434000894
#> [376] -0.0454947570 0.1229396477 0.4359914195 0.2721108037 0.1216728737
#> [381] 0.1961472351 0.2297506508 0.0616395841 -0.0007829693 0.0701520794
#> [386] 0.2760310235 0.1321278233 0.1223827215 0.0357889351 0.2211238057
#> [391] 0.4030183478 0.3990044034 0.3332261633 0.8224916813 0.3673022416
#> [396] 0.2310347299 0.3313568710 0.2540490976 0.1944333288 0.2937209793
#> [401] -0.1303891558 0.1137508462 -0.1098541912 -0.6940401457 -0.3989437079
#> [406] 0.2136210935 -0.1126244789 -0.1403413849 0.0945341377 -0.1628139647
#> [411] -0.7169711557 -0.6899415993 -0.0991226816 0.0302780940 0.2644448781
#> [416] 0.0480765437 0.3225138529 0.1032302640 0.0920810305 -0.0463488101
#> [421] 0.4521195541 0.0739114347 -0.5584917520 -0.5308519384 -0.6348886624
#> [426] -1.1619071727 -0.9471587072 -0.1843014948 -0.2373391484 -0.2678815214
#> [431] 0.2241839698 0.4393665109 0.1130653353 -0.0755518101 -0.1386188962
#> [436] -0.3477930087 -0.5551657561 -0.7575359620 -0.9412120789 -0.5661659194
#> [441] -0.7184007175 -0.8151358306 -0.3691101305 -0.1521489670 -0.5514276211
#> [446] -0.5092670824 -0.1327837495 -0.1558190510 0.2646358775 0.5994050243
#> [451] 0.6216740259 0.0019888650 -0.0842036307 -0.8571061168 -0.9337187033
#> [456] -0.8211338201 -0.2749945721 -0.3024204828 0.3182294992 0.2647720418
#> [461] 0.6676346672 0.2835453627 0.1429954758 -0.1157470039 -0.1816830825
#> [466] -0.5378487216 -0.1470745182 0.1659205326 0.0951095065 0.0522424498
#> [471] -0.0953983578 -0.7652029456 -1.1685777241 -1.1412865168 -1.0960699279
#> [476] -0.9574178028 -0.4263714385 -0.4178832940 -0.3716499246 -0.1248422587
#> [481] 0.0583745962 0.1404880276 0.7050272715 0.6255397002 0.6025190755
#> [486] 0.6021086947 0.8020600545 0.0921858248 0.2369752952 0.0764891789
#> [491] -0.1623403407 -0.8237439430 -0.5130135745 -0.5798747163 -0.7438762193
#> [496] -0.5819754877 -0.3669697308 0.0070749451 -0.0812775145 0.2681892284
#> [501] 0.2539834476 0.3607094762 -0.1527646445 -0.0184232260 -0.0134624924
#> [506] 0.0693648643 0.2280616003 0.6976246158 0.4578059760 0.8513891496
#> [511] 0.6789523105 0.3959659511 0.1274387451 0.1962603122 -0.1538655305
#> [516] -0.1065522508 -0.2736196719 -0.0288052390 0.0039995218 -0.2148834035
#> [521] -0.1250403068 0.2367672447 0.1415670908 0.1558143371 0.2053277798
#> [526] -0.4620472605 -0.7545413180 -1.0209540179 -1.0218665284 -0.9080889158
#> [531] -0.4479364553 -0.2114122377 0.0385589678 0.3161789442 0.3136843779
#> [536] 0.2915601787 0.2816328921 0.4137228388 0.6316147146 0.4920821899
#> [541] 0.8891973635 0.7195654591 0.4506543095 -0.0487793225 -0.1209547324
#> [546] -0.2731981043 -0.0228745653 -0.1186349501 -0.1386200009 -0.2403042260
#> [551] -0.0030509730 -0.0580922486 0.1328147197 0.1283521559 0.3401098680
#> [556] -0.0851612827 0.1734129721 -0.0071889532 0.2714055385 0.2201919807
#> [561] -0.0552524525 -0.0974155350 -0.4976768168 -0.8215724102 -0.9329850788
#> [566] -0.7309327120 -0.9095621358 -0.4437861172 -0.4052191870 -0.5347115132
#> [571] -0.5581131648 -0.7925702532 -0.5661139317 -0.3376302395 0.2947726977
#> [576] 0.2794810010 0.3970753594 0.1396496453 -0.0262480220 -0.4066923285
#> [581] -0.7269599392 -0.6842964536 -0.5199621493 -0.1278834214 0.0443249206
#> [586] 0.7769020164 0.7161354874 0.5430566019 0.5602652937 0.3413855977
#> [591] 0.0971471625 0.0118309212 -0.0339704626 -0.3597276866 -0.4061951965
#> [596] -0.3578605854 -0.0953854700 -0.3299113408 -0.2608838411 -0.0229273127
#> [601] 0.0230575127 0.2686390196 0.5506894232 0.2814764833 -0.0340553443
#> [606] -0.0222717281 -0.5766637355 -0.4285410914 -0.4510375403 -0.7520258665
#> [611] -1.1452467806 -1.0726360153 -1.3080122010 -1.0878121415 -0.3297933111
#> [616] -0.2040123847 0.0157247261 -0.0800714218 0.1782299716 -0.3700022965
#> [621] 0.0224105591 0.0287002477 0.1401372362 -0.3121680675 -0.0386354520
#> [626] -0.0969663128 -0.3364346476 0.0260416305 0.2094865093 -0.0043503883
#> [631] -0.3555581478 -0.1978691472 -0.2120928357 -0.4070244322 -0.4132997930
#> [636] -0.5115521390 -0.6681987525 -0.6754210199 -0.2873334072 -0.0935806456
#> [641] 0.3164131222 0.2610100326 0.2705754696 0.1149115402 0.1937492328
#> [646] -0.0747782299 -0.1650438590 -0.2614086233 -0.4142539633 -0.4917451744
#> [651] -0.2753601072 -0.0886743532 -0.1491029420 0.1451368087 0.0553509003
#> [656] -0.2364339392 -0.0716616140 0.0546195341 -0.3339180868 -0.0074258084
#> [661] 0.3069900376 0.3581239133 0.1848573596 0.2433006077 -0.0339526551
#> [666] -0.0962111882 -0.1716747655 0.3505428666 0.1006085849 0.2577537013
#> [671] 0.1554735377 -0.0565297286 -0.5627227608 -0.0433428430 -0.2540352669
#> [676] 0.0474997328 0.1297768540 -0.1888162631 -0.5728812616 -0.8564807227
#> [681] -1.2371497032 -1.2168829135 -0.6871048669 0.0470089220 0.9216371993
#> [686] 0.8681921671 0.9047834459 0.5492491509 -0.0412352224 -0.6510671365
#> [691] -0.3106068520 -0.3663383965 -0.5140810157 -0.4737795395 -0.7330426242
#> [696] -0.7887172954 -0.6327455281 -0.3249537589 -0.0295752175 0.2996973743
#> [701] 0.3401734007 0.2291953457 0.1193646468 -0.1870720768 -0.2389398051
#> [706] -0.3387993717 -0.1024415769 0.0911959283 0.6735906011 0.8279810698
#> [711] 0.4068558480 0.0873728244 -0.0777868853 -0.2882228809 -0.6236405804
#> [716] -0.2858947781 -0.2058162409 -0.6081748292 -0.6743567151 -0.6627133217
#> [721] -0.5115012276 -0.2335244196 0.2404936424 0.0406770531 0.3901720670
#> [726] 0.3617916501 0.0511587824 0.1671107222 0.1516434713 -0.0637439520
#> [731] -0.4526299393 -0.3143677472 -0.0754302895 0.0803605193 0.4461582513
#> [736] 0.7985987029 0.4814007544 -0.0981797817 -0.3225885575 -0.6621858463
#> [741] -0.7269994752 -0.1744868782 -0.1525283816 -0.0777949808 0.0491795229
#> [746] -0.1010567106 -0.3547036951 -0.1251431260 -0.0811640408 -0.2557503610
#> [751] 0.1152424424 -0.1275553767 -0.0167170578 0.0015420507 0.2111461167
#> [756] -0.2757340319 -0.0757162377 -0.3528682090 -0.3115721158 -0.0575088755
#> [761] 0.3236440077 -0.0299569859 0.1032118369 0.1336893052 -0.0361316489
#> [766] 0.0628919412 0.5128928162 0.4906957286 0.0310063631 -0.2864026547
#> [771] -0.2939364926 -0.3093391198 -0.3012403966 0.2422575761 0.2574313534
#> [776] 0.1424181500 -0.0881315535 0.1223778659 -0.1717772736 -0.0700071512
#> [781] -0.2088816870 -0.2230459946 -0.3207912315 -0.1167416294 0.0821724607
#> [786] -0.2881262755 -0.1028112826 0.0896776028 0.2685816400 0.3722318939
#> [791] 0.9568234028 1.1117386392 1.1022147314 0.8992760116 1.1210657742
#> [796] 1.0224572984 1.0807369964 0.7111551110 0.9456534555 0.4285448189
#> [801] 0.2966099574 0.1914614258 0.3566507383 -0.1162027692 -0.0767022142
#> [806] -0.2816101988 -0.4050810157 -0.4657664022 -0.2283229182 0.1371411151
#> [811] 0.7321287112 0.4958148262 0.6927420068 0.6287157989 -0.0418569256
#> [816] -0.5218425405 -0.3779800841 -0.7760903288 -0.2451627660 0.3821638856
#> [821] 0.8481938783 0.8209161753 0.8420978716 0.2023120417 0.1667747309
#> [826] -0.0038487634 -0.3497598501 -0.1691565627 0.1027005232 0.0084046898
#> [831] 0.0184436754 0.1877212921 0.1393305822 0.0535787340 -0.1964063814
#> [836] -0.4301417657 0.3019067698 0.3104900040 0.1376149025 0.3433496248
#> [841] 0.0819898376 -0.7968720455 -0.6596403865 -0.4160025367 -0.6828215451
#> [846] -0.1170074311 0.4692733522 0.0954234309 0.0107019624 0.2791785229
#> [851] 0.0348338723 -0.2037480250 0.0074862266 -0.2889661778 -0.6195952815
#> [856] -0.1466125669 -0.2796851457 -0.1296336760 0.0866598664 0.1750452628
#> [861] -0.5335083456 -0.4301072620 -0.8717194966 -0.8701293326 -0.8933690607
#> [866] -0.7787872876 -0.6856311933 -0.0880605263 0.0633472674 0.3306712152
#> [871] 0.3016085236 0.1788074577 -0.2118677488 -0.3913260331 -0.4662252768
#> [876] -0.3994601111 -0.3988799637 -0.3757720015 -0.1035704336 -0.0987219139
#> [881] 0.0965495421 0.4134456501 0.2755184437 0.1141240069 -0.0351022464
#> [886] -0.0244067431 -0.1892821322 -0.1238553376 -0.1884719778 0.1029197768
#> [891] -0.0365457252 0.1098301807 0.1846207038 -0.1211026753 -0.5766659057
#> [896] -0.7668201923 -1.1049769839 -1.0813564135 -0.5099176407 0.1006396989
#> [901] 0.6051554883 0.7227034136 0.7811610399 0.6656635440 0.2475022885
#> [906] 0.2546188790 0.5324705526 0.7051704015 0.5391862943 0.6842614658
#> [911] 0.4917364143 -0.0276277660 -0.0448869884 -0.0377976947 -0.0815704745
#> [916] -0.2629548222 -0.0880190984 -0.2043434762 -0.3779801855 -0.1245825121
#> [921] 0.2498412053 0.6369802388 0.6162462667 0.6646396678 0.3494466226
#> [926] -0.1587666550 -0.9219910178 -1.1868025322 -1.0124093549 -0.9095832452
#> [931] -0.6330242442 -0.1811134362 0.4912650809 0.6160988449 0.2956013995
#> [936] 0.3023122951 0.5033148743 0.2228145328 -0.1268664984 0.1266139576
#> [941] 0.0048547667 -0.3579867646 -0.4378083015 -0.1757693718 0.0960299695
#> [946] 0.2490325313 0.6197677745 0.5212747802 0.3779743284 0.1907492726
#> [951] 0.4308190923 0.5892338306 0.7489499721 0.9456800322 1.2817065210
#> [956] 0.9971065933 0.6995164273 0.6626423810 0.3226499677 -0.0956234673
#> [961] 0.3441634481 0.3260743358 0.0978392432 0.0614330687 -0.2849868025
#> [966] -0.7178835181 -0.5160803251 -0.2747314830 -0.2507373372 0.2333519456
#> [971] 0.0569978277 -0.0884994133 -0.0815473693 -0.1999934509 -0.7168577264
#> [976] -0.4760093205 -0.2882749826 -0.1975828596 0.0485439654 0.6296843367
#> [981] 0.6019538769 0.1392274363 0.2752293911 0.1452821570 -0.0186936549
#> [986] -0.0150357218 -0.1250907496 -0.1432256758 0.1824460616 0.2784031045
#> [991] 0.0482024972 0.3225353925 -0.1488963316 -0.0382322506 -0.0726163721
#> [996] 0.2776126992 0.2868408735 0.3525997810 -0.1505745060 -0.1935381218