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Author's title

Author*The author of this computation has been verified*
R Software Modulerwasp_autocorrelation.wasp
Title produced by software(Partial) Autocorrelation Function
Date of computationThu, 01 Feb 2018 09:35:35 +0100
Cite this page as followsStatistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?v=date/2018/Feb/01/t1517474144y1pql19hggcrvyg.htm/, Retrieved Sun, 28 Apr 2024 22:34:02 +0000
Statistical Computations at FreeStatistics.org, Office for Research Development and Education, URL https://freestatistics.org/blog/index.php?pk=313669, Retrieved Sun, 28 Apr 2024 22:34:02 +0000
QR Codes:

Original text written by user:
IsPrivate?No (this computation is public)
User-defined keywords
Estimated Impact42
Family? (F = Feedback message, R = changed R code, M = changed R Module, P = changed Parameters, D = changed Data)
-       [(Partial) Autocorrelation Function] [] [2018-02-01 08:35:35] [4d6b7e4aa0a442355d9e4013f368adc5] [Current]
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Dataseries X:
6.23997569975399e-11
6.73997108398115e-11
7.60996748213444e-11
6.73997049807968e-11
7.44996810521796e-11
7.25996854148587e-11
6.04997333480944e-11
6.60997167149459e-11
7.64996738196023e-11
7.67996682035913e-11
7.69996672964398e-11
7.09996924154202e-11
3.40914229064837
0.518198671957056
1.15704118866789
0.808231976707474
0.360198541958294
2.07674531563883
0.690474527672956
0.746666881988732
-0.799086112313255
1.21532788450243
-1.17208235643699
-0.241790228695119
-6.94785802882734
-1.69573013748214
-2.75059694282488
1.21672516745428
-2.70974735796694
-4.30913045821877
0.783514539465725
-3.14687348834951
3.42384941336352
-1.7837941973149
1.96096911705149
2.0652156249323
-0.404933638861316
1.17859561238876
0.180192387338848
-2.34336854579514
0.0584231240880998
0.8387743468686
-1.62573306136452
0.329962475254994
1.88951829938178
-1.84815908911142
0.903036850931911
4.13144956887879
-7.28280048552732
3.65094057322589
3.5560528927436
-1.44263653153796
3.48671018421141
4.01492616391344
-2.13436913371492
6.68834896654783
0.335969397291516
1.15396744118831
7.84706197259469
0.114142950789169
4.8123943467024
0.0243638642555982
-0.612564794406581
0.168920457267928
3.7231482061716
-2.00154047927298
-4.16046560722731
1.47544806986816
-2.37689939657661
-2.15621968442407
2.00225432465706
-4.5491331335966
2.48722667633258
1.36494374589514
4.0569952203111
-6.50373850960401
10.5891739486145
-3.76383061813802
3.45559944666583
1.41984578978046
-1.73601810073833
7.89651201065316
-1.16703293016614
-4.55872835041259
6.10390029860255
-1.92312070159928
-0.471483429817856
3.08479743747335
-0.039041506100148
0.687461250984656
5.31779538711579
0.824086382103777
-2.38687018501734
6.26153013568748
-3.55465658901374
-2.75133272461492
5.2303030045181
3.23265728102641
-5.18916193105667
10.4020501293219
-4.98300881821531
0.871751878705342
4.40001582793177
-6.3353841953649
6.65105232770666
-6.8612199919762
-9.08028740992934
-1.72566078486629
-15.7051865910819
-9.50107301829425
-8.24829447977537
-14.4192038213904
-6.92616564234788
-11.9971144391322
-7.8956543832591
-5.2179362840146
-11.7298203647335
-9.0298622082618
-2.47109529403267
-6.70059499974186
2.10200793573757
2.22084564608995
4.6165870795321
2.10626399773995
-1.89166078216445
8.05599457520003
-1.74033461972163
3.08017690163068
2.03582397788642
-0.693707654837239
4.28575492302477
2.57773233474805
1.12867145107283
-0.791024685688342
7.97311035413928
-4.84003314219746
9.65539036308003
-11.9564819115271
-0.317449295326077
2.72048248937109
-3.41349545663555
-4.39899994870824
-2.32786529371476
-3.91893362792709
3.71446111790681
-0.482872830428383
-3.75418821843784
-1.87183071339254
-8.13307205050054
3.73750402087053
0.405833009194503
-4.66367127753832
-6.07914224109753
3.35366565170573
-4.56162655645187
-5.74074492105851
0.845241125483336
-9.54437899624682
-6.76580417317322
5.67322209836415
-4.54180212424524
-1.99607679233704
3.30614737952226
-8.28552172121058
-0.540857835814741
2.21963004929071
-3.23948389997639
2.39271799991116
-0.800303431604312
0.907944501031133
-8.03022659823752
2.69270042756778
-7.11910232250653
1.77778786484458
-5.46772824122644
-5.6591946864892
3.59663181232567
-4.02002737686667
-4.82737499657813
0.0317226327090455
-2.25058514457937
-6.69550136132503
1.26260788893818
-2.04373824406672
-7.10437726178583
1.93940934073741
-5.36709910929882
-0.21854697486332
-2.05464353612579
-1.49429894836024
2.00522190563415
-0.339273616598684
0.47697625560983
5.49273258050075
-1.45504625647718
3.06489519968946
-0.283858356926263
3.81709065611228
-3.8704397776027
8.0869185559959
-3.80568525834799
-3.11026209527028
0.828261864097397
8.02015617720328
-2.00702698351144
1.15672369384101
4.70652084952233
-8.7352651925813
8.49655765342151
-1.92470260739202
2.36953054610563
3.57463216561004




Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R ServerBig Analytics Cloud Computing Center

\begin{tabular}{lllllllll}
\hline
Summary of computational transaction \tabularnewline
Raw Input view raw input (R code)  \tabularnewline
Raw Outputview raw output of R engine  \tabularnewline
Computing time2 seconds \tabularnewline
R ServerBig Analytics Cloud Computing Center \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=313669&T=0

[TABLE]
[ROW]
Summary of computational transaction[/C][/ROW] [ROW]Raw Input[/C] view raw input (R code) [/C][/ROW] [ROW]Raw Output[/C]view raw output of R engine [/C][/ROW] [ROW]Computing time[/C]2 seconds[/C][/ROW] [ROW]R Server[/C]Big Analytics Cloud Computing Center[/C][/ROW] [/TABLE] Source: https://freestatistics.org/blog/index.php?pk=313669&T=0

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=313669&T=0

As an alternative you can also use a QR Code:  

The GUIDs for individual cells are displayed in the table below:

Summary of computational transaction
Raw Input view raw input (R code)
Raw Outputview raw output of R engine
Computing time2 seconds
R ServerBig Analytics Cloud Computing Center







Autocorrelation Function
Time lag kACF(k)T-STATP-value
10.0024350.03440.486284
20.372425.26680
30.3858795.45720
40.0881621.24680.106965
50.2770583.91826.1e-05
60.1434662.02890.021896
7-0.042118-0.59560.276044
80.0678060.95890.169376
9-0.080377-1.13670.128512
10-0.13975-1.97640.024744
110.0013710.01940.492276
12-0.480299-6.79240
13-0.046466-0.65710.255925
14-0.241727-3.41850.000381
15-0.202011-2.85690.002365
16-0.17017-2.40660.008506
17-0.201834-2.85440.002383
18-0.124822-1.76520.039524
19-0.16526-2.33710.010211
20-0.108726-1.53760.062861
21-0.027755-0.39250.34755
22-0.167164-2.3640.009517
230.0366350.51810.302481

\begin{tabular}{lllllllll}
\hline
Autocorrelation Function \tabularnewline
Time lag k & ACF(k) & T-STAT & P-value \tabularnewline
1 & 0.002435 & 0.0344 & 0.486284 \tabularnewline
2 & 0.37242 & 5.2668 & 0 \tabularnewline
3 & 0.385879 & 5.4572 & 0 \tabularnewline
4 & 0.088162 & 1.2468 & 0.106965 \tabularnewline
5 & 0.277058 & 3.9182 & 6.1e-05 \tabularnewline
6 & 0.143466 & 2.0289 & 0.021896 \tabularnewline
7 & -0.042118 & -0.5956 & 0.276044 \tabularnewline
8 & 0.067806 & 0.9589 & 0.169376 \tabularnewline
9 & -0.080377 & -1.1367 & 0.128512 \tabularnewline
10 & -0.13975 & -1.9764 & 0.024744 \tabularnewline
11 & 0.001371 & 0.0194 & 0.492276 \tabularnewline
12 & -0.480299 & -6.7924 & 0 \tabularnewline
13 & -0.046466 & -0.6571 & 0.255925 \tabularnewline
14 & -0.241727 & -3.4185 & 0.000381 \tabularnewline
15 & -0.202011 & -2.8569 & 0.002365 \tabularnewline
16 & -0.17017 & -2.4066 & 0.008506 \tabularnewline
17 & -0.201834 & -2.8544 & 0.002383 \tabularnewline
18 & -0.124822 & -1.7652 & 0.039524 \tabularnewline
19 & -0.16526 & -2.3371 & 0.010211 \tabularnewline
20 & -0.108726 & -1.5376 & 0.062861 \tabularnewline
21 & -0.027755 & -0.3925 & 0.34755 \tabularnewline
22 & -0.167164 & -2.364 & 0.009517 \tabularnewline
23 & 0.036635 & 0.5181 & 0.302481 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=313669&T=1

[TABLE]
[ROW][C]Autocorrelation Function[/C][/ROW]
[ROW][C]Time lag k[/C][C]ACF(k)[/C][C]T-STAT[/C][C]P-value[/C][/ROW]
[ROW][C]1[/C][C]0.002435[/C][C]0.0344[/C][C]0.486284[/C][/ROW]
[ROW][C]2[/C][C]0.37242[/C][C]5.2668[/C][C]0[/C][/ROW]
[ROW][C]3[/C][C]0.385879[/C][C]5.4572[/C][C]0[/C][/ROW]
[ROW][C]4[/C][C]0.088162[/C][C]1.2468[/C][C]0.106965[/C][/ROW]
[ROW][C]5[/C][C]0.277058[/C][C]3.9182[/C][C]6.1e-05[/C][/ROW]
[ROW][C]6[/C][C]0.143466[/C][C]2.0289[/C][C]0.021896[/C][/ROW]
[ROW][C]7[/C][C]-0.042118[/C][C]-0.5956[/C][C]0.276044[/C][/ROW]
[ROW][C]8[/C][C]0.067806[/C][C]0.9589[/C][C]0.169376[/C][/ROW]
[ROW][C]9[/C][C]-0.080377[/C][C]-1.1367[/C][C]0.128512[/C][/ROW]
[ROW][C]10[/C][C]-0.13975[/C][C]-1.9764[/C][C]0.024744[/C][/ROW]
[ROW][C]11[/C][C]0.001371[/C][C]0.0194[/C][C]0.492276[/C][/ROW]
[ROW][C]12[/C][C]-0.480299[/C][C]-6.7924[/C][C]0[/C][/ROW]
[ROW][C]13[/C][C]-0.046466[/C][C]-0.6571[/C][C]0.255925[/C][/ROW]
[ROW][C]14[/C][C]-0.241727[/C][C]-3.4185[/C][C]0.000381[/C][/ROW]
[ROW][C]15[/C][C]-0.202011[/C][C]-2.8569[/C][C]0.002365[/C][/ROW]
[ROW][C]16[/C][C]-0.17017[/C][C]-2.4066[/C][C]0.008506[/C][/ROW]
[ROW][C]17[/C][C]-0.201834[/C][C]-2.8544[/C][C]0.002383[/C][/ROW]
[ROW][C]18[/C][C]-0.124822[/C][C]-1.7652[/C][C]0.039524[/C][/ROW]
[ROW][C]19[/C][C]-0.16526[/C][C]-2.3371[/C][C]0.010211[/C][/ROW]
[ROW][C]20[/C][C]-0.108726[/C][C]-1.5376[/C][C]0.062861[/C][/ROW]
[ROW][C]21[/C][C]-0.027755[/C][C]-0.3925[/C][C]0.34755[/C][/ROW]
[ROW][C]22[/C][C]-0.167164[/C][C]-2.364[/C][C]0.009517[/C][/ROW]
[ROW][C]23[/C][C]0.036635[/C][C]0.5181[/C][C]0.302481[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=313669&T=1

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=313669&T=1

As an alternative you can also use a QR Code:  

The GUIDs for individual cells are displayed in the table below:

Autocorrelation Function
Time lag kACF(k)T-STATP-value
10.0024350.03440.486284
20.372425.26680
30.3858795.45720
40.0881621.24680.106965
50.2770583.91826.1e-05
60.1434662.02890.021896
7-0.042118-0.59560.276044
80.0678060.95890.169376
9-0.080377-1.13670.128512
10-0.13975-1.97640.024744
110.0013710.01940.492276
12-0.480299-6.79240
13-0.046466-0.65710.255925
14-0.241727-3.41850.000381
15-0.202011-2.85690.002365
16-0.17017-2.40660.008506
17-0.201834-2.85440.002383
18-0.124822-1.76520.039524
19-0.16526-2.33710.010211
20-0.108726-1.53760.062861
21-0.027755-0.39250.34755
22-0.167164-2.3640.009517
230.0366350.51810.302481







Partial Autocorrelation Function
Time lag kPACF(k)T-STATP-value
10.0024350.03440.486284
20.3724165.26680
30.4463066.31170
40.0176620.24980.401507
5-0.023174-0.32770.37173
6-0.034228-0.48410.314437
7-0.236142-3.33965e-04
8-0.203661-2.88020.002204
9-0.125776-1.77870.0384
10-0.110443-1.56190.059946
110.1018741.44070.075614
12-0.393586-5.56610
13-0.081157-1.14770.126224
140.0964931.36460.086954
150.2977654.2111.9e-05
160.0117970.16680.433832
17-0.040522-0.57310.283621
180.0517020.73120.232765
19-0.171103-2.41980.008212
20-0.245529-3.47230.000316
210.0134750.19060.42453
22-0.09855-1.39370.082476
230.0831291.17560.120573

\begin{tabular}{lllllllll}
\hline
Partial Autocorrelation Function \tabularnewline
Time lag k & PACF(k) & T-STAT & P-value \tabularnewline
1 & 0.002435 & 0.0344 & 0.486284 \tabularnewline
2 & 0.372416 & 5.2668 & 0 \tabularnewline
3 & 0.446306 & 6.3117 & 0 \tabularnewline
4 & 0.017662 & 0.2498 & 0.401507 \tabularnewline
5 & -0.023174 & -0.3277 & 0.37173 \tabularnewline
6 & -0.034228 & -0.4841 & 0.314437 \tabularnewline
7 & -0.236142 & -3.3396 & 5e-04 \tabularnewline
8 & -0.203661 & -2.8802 & 0.002204 \tabularnewline
9 & -0.125776 & -1.7787 & 0.0384 \tabularnewline
10 & -0.110443 & -1.5619 & 0.059946 \tabularnewline
11 & 0.101874 & 1.4407 & 0.075614 \tabularnewline
12 & -0.393586 & -5.5661 & 0 \tabularnewline
13 & -0.081157 & -1.1477 & 0.126224 \tabularnewline
14 & 0.096493 & 1.3646 & 0.086954 \tabularnewline
15 & 0.297765 & 4.211 & 1.9e-05 \tabularnewline
16 & 0.011797 & 0.1668 & 0.433832 \tabularnewline
17 & -0.040522 & -0.5731 & 0.283621 \tabularnewline
18 & 0.051702 & 0.7312 & 0.232765 \tabularnewline
19 & -0.171103 & -2.4198 & 0.008212 \tabularnewline
20 & -0.245529 & -3.4723 & 0.000316 \tabularnewline
21 & 0.013475 & 0.1906 & 0.42453 \tabularnewline
22 & -0.09855 & -1.3937 & 0.082476 \tabularnewline
23 & 0.083129 & 1.1756 & 0.120573 \tabularnewline
\hline
\end{tabular}
%Source: https://freestatistics.org/blog/index.php?pk=313669&T=2

[TABLE]
[ROW][C]Partial Autocorrelation Function[/C][/ROW]
[ROW][C]Time lag k[/C][C]PACF(k)[/C][C]T-STAT[/C][C]P-value[/C][/ROW]
[ROW][C]1[/C][C]0.002435[/C][C]0.0344[/C][C]0.486284[/C][/ROW]
[ROW][C]2[/C][C]0.372416[/C][C]5.2668[/C][C]0[/C][/ROW]
[ROW][C]3[/C][C]0.446306[/C][C]6.3117[/C][C]0[/C][/ROW]
[ROW][C]4[/C][C]0.017662[/C][C]0.2498[/C][C]0.401507[/C][/ROW]
[ROW][C]5[/C][C]-0.023174[/C][C]-0.3277[/C][C]0.37173[/C][/ROW]
[ROW][C]6[/C][C]-0.034228[/C][C]-0.4841[/C][C]0.314437[/C][/ROW]
[ROW][C]7[/C][C]-0.236142[/C][C]-3.3396[/C][C]5e-04[/C][/ROW]
[ROW][C]8[/C][C]-0.203661[/C][C]-2.8802[/C][C]0.002204[/C][/ROW]
[ROW][C]9[/C][C]-0.125776[/C][C]-1.7787[/C][C]0.0384[/C][/ROW]
[ROW][C]10[/C][C]-0.110443[/C][C]-1.5619[/C][C]0.059946[/C][/ROW]
[ROW][C]11[/C][C]0.101874[/C][C]1.4407[/C][C]0.075614[/C][/ROW]
[ROW][C]12[/C][C]-0.393586[/C][C]-5.5661[/C][C]0[/C][/ROW]
[ROW][C]13[/C][C]-0.081157[/C][C]-1.1477[/C][C]0.126224[/C][/ROW]
[ROW][C]14[/C][C]0.096493[/C][C]1.3646[/C][C]0.086954[/C][/ROW]
[ROW][C]15[/C][C]0.297765[/C][C]4.211[/C][C]1.9e-05[/C][/ROW]
[ROW][C]16[/C][C]0.011797[/C][C]0.1668[/C][C]0.433832[/C][/ROW]
[ROW][C]17[/C][C]-0.040522[/C][C]-0.5731[/C][C]0.283621[/C][/ROW]
[ROW][C]18[/C][C]0.051702[/C][C]0.7312[/C][C]0.232765[/C][/ROW]
[ROW][C]19[/C][C]-0.171103[/C][C]-2.4198[/C][C]0.008212[/C][/ROW]
[ROW][C]20[/C][C]-0.245529[/C][C]-3.4723[/C][C]0.000316[/C][/ROW]
[ROW][C]21[/C][C]0.013475[/C][C]0.1906[/C][C]0.42453[/C][/ROW]
[ROW][C]22[/C][C]-0.09855[/C][C]-1.3937[/C][C]0.082476[/C][/ROW]
[ROW][C]23[/C][C]0.083129[/C][C]1.1756[/C][C]0.120573[/C][/ROW]
[/TABLE]
Source: https://freestatistics.org/blog/index.php?pk=313669&T=2

Globally Unique Identifier (entire table): ba.freestatistics.org/blog/index.php?pk=313669&T=2

As an alternative you can also use a QR Code:  

The GUIDs for individual cells are displayed in the table below:

Partial Autocorrelation Function
Time lag kPACF(k)T-STATP-value
10.0024350.03440.486284
20.3724165.26680
30.4463066.31170
40.0176620.24980.401507
5-0.023174-0.32770.37173
6-0.034228-0.48410.314437
7-0.236142-3.33965e-04
8-0.203661-2.88020.002204
9-0.125776-1.77870.0384
10-0.110443-1.56190.059946
110.1018741.44070.075614
12-0.393586-5.56610
13-0.081157-1.14770.126224
140.0964931.36460.086954
150.2977654.2111.9e-05
160.0117970.16680.433832
17-0.040522-0.57310.283621
180.0517020.73120.232765
19-0.171103-2.41980.008212
20-0.245529-3.47230.000316
210.0134750.19060.42453
22-0.09855-1.39370.082476
230.0831291.17560.120573



Parameters (Session):
par2 = Do not include Seasonal Dummies ; par3 = No Linear Trend ; par6 = 12 ;
Parameters (R input):
par1 = Default ; par2 = 1 ; par3 = 0 ; par4 = 1 ; par5 = 12 ; par6 = White Noise ; par7 = 0.99 ; par8 = ;
R code (references can be found in the software module):
if (par1 == 'Default') {
par1 = 10*log10(length(x))
} else {
par1 <- as.numeric(par1)
}
par2 <- as.numeric(par2)
par3 <- as.numeric(par3)
par4 <- as.numeric(par4)
par5 <- as.numeric(par5)
if (par6 == 'White Noise') par6 <- 'white' else par6 <- 'ma'
par7 <- as.numeric(par7)
if (par8 != '') par8 <- as.numeric(par8)
x <- na.omit(x)
ox <- x
if (par8 == '') {
if (par2 == 0) {
x <- log(x)
} else {
x <- (x ^ par2 - 1) / par2
}
} else {
x <- log(x,base=par8)
}
if (par3 > 0) x <- diff(x,lag=1,difference=par3)
if (par4 > 0) x <- diff(x,lag=par5,difference=par4)
bitmap(file='picts.png')
op <- par(mfrow=c(2,1))
plot(ox,type='l',main='Original Time Series',xlab='time',ylab='value')
if (par8=='') {
mytitle <- paste('Working Time Series (lambda=',par2,', d=',par3,', D=',par4,')',sep='')
mysub <- paste('(lambda=',par2,', d=',par3,', D=',par4,', CI=', par7, ', CI type=',par6,')',sep='')
} else {
mytitle <- paste('Working Time Series (base=',par8,', d=',par3,', D=',par4,')',sep='')
mysub <- paste('(base=',par8,', d=',par3,', D=',par4,', CI=', par7, ', CI type=',par6,')',sep='')
}
plot(x,type='l', main=mytitle,xlab='time',ylab='value')
par(op)
dev.off()
bitmap(file='pic1.png')
racf <- acf(x, par1, main='Autocorrelation', xlab='time lag', ylab='ACF', ci.type=par6, ci=par7, sub=mysub)
dev.off()
bitmap(file='pic2.png')
rpacf <- pacf(x,par1,main='Partial Autocorrelation',xlab='lags',ylab='PACF',sub=mysub)
dev.off()
(myacf <- c(racf$acf))
(mypacf <- c(rpacf$acf))
lengthx <- length(x)
sqrtn <- sqrt(lengthx)
load(file='createtable')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Autocorrelation Function',4,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Time lag k',header=TRUE)
a<-table.element(a,'ACF(k)',header=TRUE)
a<-table.element(a,'T-STAT',header=TRUE)
a<-table.element(a,'P-value',header=TRUE)
a<-table.row.end(a)
for (i in 2:(par1+1)) {
a<-table.row.start(a)
a<-table.element(a,i-1,header=TRUE)
a<-table.element(a,round(myacf[i],6))
mytstat <- myacf[i]*sqrtn
a<-table.element(a,round(mytstat,4))
a<-table.element(a,round(1-pt(abs(mytstat),lengthx),6))
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable.tab')
a<-table.start()
a<-table.row.start(a)
a<-table.element(a,'Partial Autocorrelation Function',4,TRUE)
a<-table.row.end(a)
a<-table.row.start(a)
a<-table.element(a,'Time lag k',header=TRUE)
a<-table.element(a,'PACF(k)',header=TRUE)
a<-table.element(a,'T-STAT',header=TRUE)
a<-table.element(a,'P-value',header=TRUE)
a<-table.row.end(a)
for (i in 1:par1) {
a<-table.row.start(a)
a<-table.element(a,i,header=TRUE)
a<-table.element(a,round(mypacf[i],6))
mytstat <- mypacf[i]*sqrtn
a<-table.element(a,round(mytstat,4))
a<-table.element(a,round(1-pt(abs(mytstat),lengthx),6))
a<-table.row.end(a)
}
a<-table.end(a)
table.save(a,file='mytable1.tab')