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1. Exploratory Data Analysis
1.4. EDA Case Studies
1.4.2. Case Studies
1.4.2.5. Beam Deflections

1.4.2.5.1.

Background and Data

Generation This data set was collected by H. S. Lew of NIST in 1969 to measure steel-concrete beam deflections. The response variable is the deflection of a beam from the center point.

The motivation for studying this data set is to show how the underlying assumptions are affected by periodic data.

Data The following are the data used for this case study.

  -213
  -564
   -35
   -15
   141
   115
  -420
  -360
   203
  -338
  -431
   194
  -220
  -513
   154
  -125
  -559
    92
   -21
  -579
   -52
    99
  -543
  -175
   162
  -457
  -346
   204
  -300
  -474
   164
  -107
  -572
    -8
    83
  -541
  -224
   180
  -420
  -374
   201
  -236
  -531
    83
    27
  -564
  -112
   131
  -507
  -254
   199
  -311
  -495
   143
   -46
  -579
   -90
   136
  -472
  -338
   202
  -287
  -477
   169
  -124
  -568
    17
    48
  -568
  -135
   162
  -430
  -422
   172
   -74
  -577
   -13
    92
  -534
  -243
   194
  -355
  -465
   156
   -81
  -578
   -64
   139
  -449
  -384
   193
  -198
  -538
   110
   -44
  -577
    -6
    66
  -552
  -164
   161
  -460
  -344
   205
  -281
  -504
   134
   -28
  -576
  -118
   156
  -437
  -381
   200
  -220
  -540
    83
    11
  -568
  -160
   172
  -414
  -408
   188
  -125
  -572
   -32
   139
  -492
  -321
   205
  -262
  -504
   142
   -83
  -574
     0
    48
  -571
  -106
   137
  -501
  -266
   190
  -391
  -406
   194
  -186
  -553
    83
   -13
  -577
   -49
   103
  -515
  -280
   201
   300
  -506
   131
   -45
  -578
   -80
   138
  -462
  -361
   201
  -211
  -554
    32
    74
  -533
  -235
   187
  -372
  -442
   182
  -147
  -566
    25
    68
  -535
  -244
   194
  -351
  -463
   174
  -125
  -570
    15
    72
  -550
  -190
   172
  -424
  -385
   198
  -218
  -536
    96
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