1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
<!-- Generated by pkgdown: do not edit by hand -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Extract model parameters from mkinfit models — parms • mkin</title>
<!-- jquery -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>
<!-- Bootstrap -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha256-bZLfwXAP04zRMK2BjiO8iu9pf4FbLqX6zitd+tIvLhE=" crossorigin="anonymous" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js" integrity="sha256-nuL8/2cJ5NDSSwnKD8VqreErSWHtnEP9E7AySL+1ev4=" crossorigin="anonymous"></script>
<!-- bootstrap-toc -->
<link rel="stylesheet" href="../bootstrap-toc.css">
<script src="../bootstrap-toc.js"></script>
<!-- Font Awesome icons -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/all.min.css" integrity="sha256-mmgLkCYLUQbXn0B1SRqzHar6dCnv9oZFPEC1g1cwlkk=" crossorigin="anonymous" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/v4-shims.min.css" integrity="sha256-wZjR52fzng1pJHwx4aV2AO3yyTOXrcDW7jBpJtTwVxw=" crossorigin="anonymous" />
<!-- clipboard.js -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js" integrity="sha256-inc5kl9MA1hkeYUt+EC3BhlIgyp/2jDIyBLS6k3UxPI=" crossorigin="anonymous"></script>
<!-- headroom.js -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/headroom.min.js" integrity="sha256-AsUX4SJE1+yuDu5+mAVzJbuYNPHj/WroHuZ8Ir/CkE0=" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script>
<!-- pkgdown -->
<link href="../pkgdown.css" rel="stylesheet">
<script src="../pkgdown.js"></script>
<meta property="og:title" content="Extract model parameters from mkinfit models — parms" />
<meta property="og:description" content="This function always returns degradation model parameters as well as error
model parameters, in order to avoid working with a fitted model without
considering the error structure that was assumed for the fit." />
<!-- mathjax -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script>
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<body data-spy="scroll" data-target="#toc">
<div class="container template-reference-topic">
<header>
<div class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<span class="navbar-brand">
<a class="navbar-link" href="../index.html">mkin</a>
<span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">0.9.50.2</span>
</span>
</div>
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li>
<a href="../reference/index.html">Functions and data</a>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">
Articles
<span class="caret"></span>
</a>
<ul class="dropdown-menu" role="menu">
<li>
<a href="../articles/mkin.html">Introduction to mkin</a>
</li>
<li>
<a href="../articles/FOCUS_D.html">Example evaluation of FOCUS Example Dataset D</a>
</li>
<li>
<a href="../articles/FOCUS_L.html">Example evaluation of FOCUS Laboratory Data L1 to L3</a>
</li>
<li>
<a href="../articles/web_only/FOCUS_Z.html">Example evaluation of FOCUS Example Dataset Z</a>
</li>
<li>
<a href="../articles/web_only/compiled_models.html">Performance benefit by using compiled model definitions in mkin</a>
</li>
<li>
<a href="../articles/twa.html">Calculation of time weighted average concentrations with mkin</a>
</li>
<li>
<a href="../articles/web_only/NAFTA_examples.html">Example evaluation of NAFTA SOP Attachment examples</a>
</li>
<li>
<a href="../articles/web_only/benchmarks.html">Some benchmark timings</a>
</li>
</ul>
</li>
<li>
<a href="../news/index.html">News</a>
</li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li>
<a href="http://github.com/jranke/mkin/">
<span class="fab fa fab fa-github fa-lg"></span>
</a>
</li>
</ul>
</div><!--/.nav-collapse -->
</div><!--/.container -->
</div><!--/.navbar -->
</header>
<div class="row">
<div class="col-md-9 contents">
<div class="page-header">
<h1>Extract model parameters from mkinfit models</h1>
<small class="dont-index">Source: <a href='http://github.com/jranke/mkin/blob/master/R/parms.mkinfit.R'><code>R/parms.mkinfit.R</code></a></small>
<div class="hidden name"><code>parms.Rd</code></div>
</div>
<div class="ref-description">
<p>This function always returns degradation model parameters as well as error
model parameters, in order to avoid working with a fitted model without
considering the error structure that was assumed for the fit.</p>
</div>
<pre class="usage"><span class='fu'>parms</span>(<span class='no'>object</span>, <span class='no'>...</span>)
<span class='co'># S3 method for mkinfit</span>
<span class='fu'>parms</span>(<span class='no'>object</span>, <span class='kw'>transformed</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>, <span class='no'>...</span>)
<span class='co'># S3 method for mmkin</span>
<span class='fu'>parms</span>(<span class='no'>object</span>, <span class='kw'>transformed</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>, <span class='no'>...</span>)</pre>
<h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
<table class="ref-arguments">
<colgroup><col class="name" /><col class="desc" /></colgroup>
<tr>
<th>object</th>
<td><p>A fitted model object. Methods are implemented for
<code><a href='mkinfit.html'>mkinfit()</a></code> objects and for <code><a href='mmkin.html'>mmkin()</a></code> objects.</p></td>
</tr>
<tr>
<th>...</th>
<td><p>Not used</p></td>
</tr>
<tr>
<th>transformed</th>
<td><p>Should the parameters be returned
as used internally during the optimisation?</p></td>
</tr>
</table>
<h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
<p>For mkinfit objects, a numeric vector of fitted model parameters.
For mmkin row objects, a matrix with the parameters with a
row for each dataset. If the mmkin object has more than one row, a list of
such matrices is returned.</p>
<h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
<pre class="examples"><div class='input'><span class='no'>fit</span> <span class='kw'><-</span> <span class='fu'><a href='mkinfit.html'>mkinfit</a></span>(<span class='st'>"SFO"</span>, <span class='no'>FOCUS_2006_C</span>)</div><div class='output co'>#> <span class='message'>Ordinary least squares optimisation</span></div><div class='output co'>#> Sum of squared residuals at call 1: 2388.077
#> Sum of squared residuals at call 3: 2388.077
#> Sum of squared residuals at call 4: 247.1962
#> Sum of squared residuals at call 7: 200.6791
#> Sum of squared residuals at call 10: 197.7231
#> Sum of squared residuals at call 11: 197.0872
#> Sum of squared residuals at call 14: 196.535
#> Sum of squared residuals at call 15: 196.535
#> Sum of squared residuals at call 16: 196.535
#> Sum of squared residuals at call 17: 196.5334
#> Sum of squared residuals at call 20: 196.5334
#> Sum of squared residuals at call 25: 196.5334
#> Negative log-likelihood at call 31: 26.64668</div><div class='output co'>#> <span class='message'>Optimisation successfully terminated.</span></div><div class='input'><span class='fu'>parms</span>(<span class='no'>fit</span>)</div><div class='output co'>#> parent_0 k_parent_sink sigma
#> 82.4921598 0.3060633 4.6730124 </div><div class='input'><span class='fu'>parms</span>(<span class='no'>fit</span>, <span class='kw'>transformed</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)</div><div class='output co'>#> parent_0 log_k_parent_sink sigma
#> 82.492160 -1.183963 4.673012 </div><div class='input'><span class='no'>ds</span> <span class='kw'><-</span> <span class='fu'><a href='https://rdrr.io/r/base/lapply.html'>lapply</a></span>(<span class='no'>experimental_data_for_UBA_2019</span>[<span class='fl'>6</span>:<span class='fl'>10</span>],
<span class='kw'>function</span>(<span class='no'>x</span>) <span class='fu'><a href='https://rdrr.io/r/base/subset.html'>subset</a></span>(<span class='no'>x</span>$<span class='no'>data</span>[<span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"name"</span>, <span class='st'>"time"</span>, <span class='st'>"value"</span>)]))
<span class='fu'><a href='https://rdrr.io/r/base/names.html'>names</a></span>(<span class='no'>ds</span>) <span class='kw'><-</span> <span class='fu'><a href='https://rdrr.io/r/base/paste.html'>paste</a></span>(<span class='st'>"Dataset"</span>, <span class='fl'>6</span>:<span class='fl'>10</span>)
<span class='no'>fits</span> <span class='kw'><-</span> <span class='fu'><a href='mmkin.html'>mmkin</a></span>(<span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"SFO"</span>, <span class='st'>"FOMC"</span>, <span class='st'>"DFOP"</span>), <span class='no'>ds</span>, <span class='kw'>quiet</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)
<span class='fu'>parms</span>(<span class='no'>fits</span>[<span class='st'>"SFO"</span>, ])</div><div class='output co'>#> Dataset 6 Dataset 7 Dataset 8 Dataset 9 Dataset 10
#> parent_0 88.52275400 82.666781678 86.8547308 91.7779306 82.14809450
#> k_parent_sink 0.05794659 0.009647805 0.2102974 0.1232258 0.00720421
#> sigma 5.15274487 7.040168584 3.6769645 6.4669234 6.50457673</div><div class='input'><span class='fu'>parms</span>(<span class='no'>fits</span>[, <span class='fl'>2</span>])</div><div class='output co'>#> $SFO
#> Dataset 7
#> parent_0 82.666781678
#> k_parent_sink 0.009647805
#> sigma 7.040168584
#>
#> $FOMC
#> Dataset 7
#> parent_0 92.6837649
#> alpha 0.4967832
#> beta 14.1451255
#> sigma 1.9167519
#>
#> $DFOP
#> Dataset 7
#> parent_0 91.058971503
#> k1 0.044946770
#> k2 0.002868336
#> g 0.526942415
#> sigma 2.221302196
#> </div><div class='input'><span class='fu'>parms</span>(<span class='no'>fits</span>)</div><div class='output co'>#> $SFO
#> Dataset 6 Dataset 7 Dataset 8 Dataset 9 Dataset 10
#> parent_0 88.52275400 82.666781678 86.8547308 91.7779306 82.14809450
#> k_parent_sink 0.05794659 0.009647805 0.2102974 0.1232258 0.00720421
#> sigma 5.15274487 7.040168584 3.6769645 6.4669234 6.50457673
#>
#> $FOMC
#> Dataset 6 Dataset 7 Dataset 8 Dataset 9 Dataset 10
#> parent_0 95.558575 92.6837649 90.719787 98.383939 94.8481458
#> alpha 1.338667 0.4967832 1.639099 1.074460 0.2805272
#> beta 13.033315 14.1451255 5.007077 4.397126 6.9052224
#> sigma 1.847671 1.9167519 1.066063 3.146056 1.6222778
#>
#> $DFOP
#> Dataset 6 Dataset 7 Dataset 8 Dataset 9 Dataset 10
#> parent_0 96.55213663 91.058971503 90.34509469 98.14858850 94.311323409
#> k1 0.21954589 0.044946770 0.41232289 0.31697588 0.080663853
#> k2 0.02957934 0.002868336 0.07581767 0.03260384 0.003425417
#> g 0.44845068 0.526942415 0.66091965 0.65322767 0.342652880
#> sigma 1.35690468 2.221302196 1.34169076 2.87159846 1.942067831
#> </div><div class='input'><span class='fu'>parms</span>(<span class='no'>fits</span>, <span class='kw'>transformed</span> <span class='kw'>=</span> <span class='fl'>TRUE</span>)</div><div class='output co'>#> $SFO
#> Dataset 6 Dataset 7 Dataset 8 Dataset 9 Dataset 10
#> parent_0 88.522754 82.666782 86.854731 91.777931 82.148094
#> log_k_parent_sink -2.848234 -4.641025 -1.559232 -2.093737 -4.933090
#> sigma 5.152745 7.040169 3.676964 6.466923 6.504577
#>
#> $FOMC
#> Dataset 6 Dataset 7 Dataset 8 Dataset 9 Dataset 10
#> parent_0 95.5585751 92.6837649 90.7197870 98.38393897 94.848146
#> log_alpha 0.2916741 -0.6996015 0.4941466 0.07181816 -1.271085
#> log_beta 2.5675088 2.6493701 1.6108523 1.48095106 1.932278
#> sigma 1.8476712 1.9167519 1.0660627 3.14605557 1.622278
#>
#> $DFOP
#> Dataset 6 Dataset 7 Dataset 8 Dataset 9 Dataset 10
#> parent_0 96.5521366 91.05897150 90.3450947 98.1485885 94.311323
#> log_k1 -1.5161940 -3.10227638 -0.8859485 -1.1489296 -2.517465
#> log_k2 -3.5206791 -5.85402317 -2.5794240 -3.4233253 -5.676532
#> g_ilr -0.1463234 0.07627854 0.4719196 0.4477805 -0.460676
#> sigma 1.3569047 2.22130220 1.3416908 2.8715985 1.942068
#> </div></pre>
</div>
<div class="col-md-3 hidden-xs hidden-sm" id="pkgdown-sidebar">
<nav id="toc" data-toggle="toc" class="sticky-top">
<h2 data-toc-skip>Contents</h2>
</nav>
</div>
</div>
<footer>
<div class="copyright">
<p>Developed by Johannes Ranke.</p>
</div>
<div class="pkgdown">
<p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.5.1.</p>
</div>
</footer>
</div>
</body>
</html>
|