Navigation auf uzh.ch
Navigation auf uzh.ch
Project
https://github.com/google/gson
Change Tasks
https://github.com/google/gson/issues/153
https://github.com/google/gson/issues/42
Instruction Question
Please report in the plugin whenever you start working on something new. Plase think-aloud while working on the change task.
Regression Model Details: Work Unit Type Detection
NOMREG
CRITERIA CIN(95) DELTA(0) MXITER(100) MXSTEP(5) CHKSEP(20) LCONVERGE(0) PCONVERGE(0.000001) SINGULAR(0.00000001)
MODEL=| FORWARD
STEPWISE=PIN(.05) POUT(0.1) MINEFFECT(0) RULE(SINGLE) ENTRYMETHOD(LR) REMOVALMETHOD(LR)
INTERCEPT=INCLUDE
Model:
| Model | -2 Log-Likelihood | Chi-Quadrat | Degree of Freedom |
|---|---|---|---|
| constant | 126.6 | ||
| final | 58.6 | 68.0 | 12 |
Regression Model Details: Work Unit Boundaries Detection
LOGISTIC REGRESSION
METHOD=FSTEP(LR)
CRITERIA=PIN(0.05) POUT(0.10) ITERATE(20) CUT(0.15)
Variables in the equation:
| Effect | Coefficient | Significance |
|---|---|---|
| str_step | -.89 | .05 |
| sameClass_step | -.97 | .02 |
| constant | -2.40 | .000 |
Regression Model Details: Detecting relevant code elements:
LOGISTIC REGRESSION
METHOD=FSTEP(LR)
Variables in the equation (ALL):
| Effect | Coefficient | Significance |
|---|---|---|
| freq | 6.86 | .000 |
| constant | -2.49 | .000 |
Variables in the equation (LC):
| Effect | Coefficient | Significance |
|---|---|---|
| #ofUniquePrecMethods | 8.70 | .001 |
| str_step | 21.125 | .012 |
| sameField_step | 1.9 | .09 |
| constant | -2.735 | .000 |
Variables in the equation (SC):
| Effect | Coefficient | Significance |
|---|---|---|
| freq | 9.8 | .000 |
| rec | 2.5 | .05 |
| constant | -4.9 | .000 |
Variables in the equation (CF):
| Effect | Coefficient | Significance |
|---|---|---|
| freq | 6.2 | .05 |
| str_step | 28.5 | .018 |
| constant | -3.1 | .003 |
Variables in the equation (TC):
| Effect | Coefficient | Significance |
|---|---|---|
| freq | 8.5 | .004 |
| constant | -2.9 | .000 |
Project
All participants worked on their usual projects.
Change Tasks
All participants worked on their usual change tasks.
Instruction Questions
Please write down on what you were just working on.
Please identify within this timeline of source code interactions when you started to work on what you just described.
Which of these code elements which you identified for the work you just worked on are actually relevant?
Regression Model Details: Work Unit Type Detection
NOMREG
CRITERIA CIN(95) DELTA(0) MXITER(100) MXSTEP(5) CHKSEP(20) LCONVERGE(0) PCONVERGE(0.000001) SINGULAR(0.00000001)
MODEL=| FORWARD
STEPWISE=PIN(.05) POUT(0.1) MINEFFECT(0) RULE(SINGLE) ENTRYMETHOD(LR) REMOVALMETHOD(LR)
INTERCEPT=INCLUDE
Model:
| Model | -2 Log-Likelihood | Chi-Quadrat | Degree of Freedom | Significance |
|---|---|---|---|---|
| constant | 87.8 | |||
| final | 31.6 | 56.2 | 12 | .000 |
Regression Model Details: Work Unit Boundaries Detection
LOGISTIC REGRESSION
METHOD=FSTEP(LR)
CRITERIA=PIN(0.05) POUT(0.10) ITERATE(20) CUT(0.15)
Variables in the equation:
| Effect | Coefficient | Significance |
|---|---|---|
| field_step | -1.7 | .033 |
| t | 0.008 | .000 |
| constant | -3.319 | .000 |
Regression Model Details: Detecting relevant code elements:
LOGISTIC REGRESSION
METHOD=FSTEP(LR)
Variables in the equation (ALL):
| Effect | Coefficient | Significance |
|---|---|---|
| str_step | 7.98 | .002 |
| lex_step | 2.62 | .003 |
| constant | -1.47 | .000 |
Variables in the equation (LC):
| Effect | Coefficient | Significance |
|---|---|---|
| rec | -5.9 | .005 |
| constant | 2.4 | .020 |
Variables in the equation (SC):
| Effect | Coefficient | Significance |
|---|---|---|
| sameClass_step | 3.99 | .014 |
| constant | -1.59 | .001 |
Variables in the equation (CF):
| Effect | Coefficient | Significance |
|---|---|---|
| rec | -5.21 | .006 |
| str_step | 17.53 | .007 |
| lex_step | 8.14 | .07 |
| constant | -5.92 | .000 |
Variables in the equation (TC):
| Effect | Coefficient | Significance |
|---|---|---|
| #ofUniquePrecMethods | .60 | .036 |
| constant | -3.95 | .003 |
