Entering Data for Response Variablesmain topics
Entering Data for Response VariablesYour data must be arranged in your worksheet in one of three ways: as binary data, as frequency data, or as event/trial data.
When the response is binary data the analysis uses a Bernoulli model. Binary data can preserve the order of data collection. Binary data and frequency data have more degrees of freedom for goodness-of-fit tests than event/trial data. When the response is event/trial data, the analysis uses a binomial model. With event/trial data, the patterns in the residuals versus fits plot can be meaningful.
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Binary Data: one row for each observation |
Frequency Data: two rows for each |
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|---|---|---|---|---|---|---|---|---|---|
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C1 |
C2 |
C3 |
C4 |
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C1 |
C2 |
C3 |
C4 |
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|
Response |
|
Factor |
Covar |
|
Response |
Count |
Factor |
Covar |
|
|
0 |
|
1 |
12 |
|
0 |
1 |
1 |
12 |
|
|
1 |
|
1 |
12 |
|
1 |
19 |
1 |
12 |
|
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1 |
|
1 |
12 |
|
0 |
1 |
2 |
12 |
|
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. |
|
. |
. |
|
1 |
19 |
2 |
12 |
|
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|
0 |
5 |
1 |
24 |
|
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. |
|
. |
. |
|
1 |
15 |
1 |
24 |
|
|
1 |
|
1 |
12 |
|
0 |
4 |
2 |
24 |
|
|
0 |
|
2 |
12 |
|
1 |
16 |
2 |
24 |
|
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1 |
|
2 |
12 |
|
0 |
7 |
1 |
50 |
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1 |
13 |
1 |
50 |
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0 |
8 |
2 |
50 |
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|
1 |
12 |
2 |
50 |
|
|
1 |
|
2 |
12 |
|
0 |
11 |
1 |
125 |
|
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. |
|
1 |
2 |
1 |
125 |
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. |
|
0 |
9 |
2 |
125 |
|
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|
1 |
11 |
2 |
125 |
|
|
|
|
|
|
|
0 |
19 |
1 |
200 |
|
|
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|
1 |
1 |
1 |
200 |
|
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|
0 |
18 |
2 |
200 |
|
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1 |
2 |
2 |
200 |
|
|
Summarized Data: one row for each combination of factor and covariate |
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|
C1 |
C2 |
C3 |
C4 |
|
|
Events |
Trials |
Factor |
Covar |
|
|
1 |
20 |
1 |
12 |
|
|
1 |
20 |
2 |
12 |
|
|
5 |
20 |
1 |
24 |
|
|
4 |
20 |
2 |
24 |
|
|
7 |
20 |
1 |
50 |
|
|
8 |
20 |
2 |
50 |
|
|
11 |
20 |
1 |
125 |
|
|
9 |
20 |
2 |
125 |
|
|
19 |
20 |
1 |
200 |
|
|
18 |
20 |
2 |
200 |
|