代码讲解 def matches(g_matches): g_matches.insert(2, 'potential1', g_matches['country1'].map(squad_stats.set_index('nationality_name')['potential'])) g_matches.insert(3, 'potential2', g_matches['country2'].map(squad_stats.set_index('nationality_name')['potential'])) g_matches.insert(4, 'rank1', g_matches['country1'].map(last_team_scores.set_index('team')['rank'])) g_matches.insert(5, 'rank2', g_matches['country2'].map(last_team_scores.set_index('team')['rank'])) pred_set = [] for index, row in g_matches.iterrows(): if row['potential1'] > row['potential2'] and abs(row['potential1'] - row['potential2']) > 2: pred_set.append({'Team1': row['country1'], 'Team2': row['country2']}) elif row['potential2'] > row['potential1'] and abs(row['potential2'] - row['potential1']) > 2: pred_set.append({'Team1': row['country2'], 'Team2': row['country1']}) else: if row['rank1'] > row['rank2']: pred_set.append({'Team1': row['country1'], 'Team2': row['country2']}) else: pred_set.append({'Team1': row['country2'], 'Team2': row['country1']}) pred_set = pd.DataFrame(pred_set) pred_set.insert(2, 'Team1_FIFA_RANK', pred_set['Team1'].map(last_team_scores.set_index('team')['rank'])) pred_set.insert(3, 'Team2_FIFA_RANK', pred_set['Team2'].map(last_team_scores.set_index('team')['rank'])) pred_set.insert(4, 'Team1_Goalkeeper_Score', pred_set['Team1'].map(last_team_scores.set_index('team')['goalkeeper_score'])) pred_set.insert(5, 'Team2_Goalkeeper_Score', pred_set['Team2'].map(last_team_scores.set_index('team')['goalkeeper_score'])) pred_set.insert(6, 'Team1_Defense', pred_set['Team1'].map(last_team_scores.set_index('team')['defense_score'])) pred_set.insert(7, 'Team1_Offense', pred_set['Team1'].map(last_team_scores.set_index('team')['offense_score'])) pred_set.insert(8, 'Team1_Midfield', pred_set['Team1'].map(last_team_scores.set_index('team')['midfield_score'])) pred_set.insert(9, 'Team2_Defense', pred_set['Team2'].map(last_team_scores.set_index('team')['defense_score'])) pred_set.insert(10, 'Team2_Offense', pred_set['Team2'].map(last_team_scores.set_index('team')['offense_score'])) pred_set.insert(11, 'Team2_Midfield', pred_set['Team2'].map(last_team_scores.set_index('team')['midfield_score'])) return pred_set
时间: 2023-07-14 21:14:09 浏览: 44
这是一个函数,它的输入是一个包含两个国家名称的 DataFrame,名为 `g_matches`。函数首先用 `map()` 函数将 `squad_stats` 中的 `potential` 列添加到 `g_matches` 中,作为两支球队的潜力值,分别在第 2 和第 3 列。然后,函数使用 `map()` 函数将 `last_team_scores` 中的 `rank` 列添加到 `g_matches` 中,作为两支球队的排名,分别在第 4 和第 5 列。接下来,函数创建一个空列表 `pred_set`,并遍历 `g_matches` 中的每一行,根据条件将预测结果添加到 `pred_set` 列表中。如果第一支球队的潜力值高于第二支球队并且两者之间的差异大于 2,则将第一支球队预测为获胜方;否则,如果第二支球队的潜力值高于第一支球队并且两者之间的差异大于 2,则将第二支球队预测为获胜方。如果两支球队的潜力值差异不足 2,则将预测结果基于排名进行决定。接下来,函数将 `pred_set` 列表转换为 DataFrame,并使用 `map()` 函数将 `last_team_scores` 中的其他列添加到 DataFrame 中,包括两支球队的 FIFA 排名、门将得分、防守得分、进攻得分和中场得分。最后,函数返回包含预测结果和球队评分的 DataFrame。
相关问题
import sys from PyQt5.QtWidgets import QApplication, QWidget , QMainWindow from Calui1 import Ui_Form class Mywindow(QWidget,Ui_Form): def __init__(self): super(Mywindow,self).__init__() self.setupUi(self) def btnClear_clicked(self): self.lineEdit.clear() def btn1(self): self.lineEdit.insert("1") def btn2(self): self.lineEdit.insert("2") def btn3(self): self.lineEdit.insert("3") def btn4(self): self.lineEdit.insert("4") def btn5(self): self.lineEdit.insert("5") def btn6(self): self.lineEdit.insert("6") def btn7(self): self.lineEdit.insert("7") def btn8(self): self.lineEdit.insert("8") def btn9(self): self.lineEdit.insert("9") def btn0(self): self.lineEdit.insert("0") def btn_plus(self): self.lineEdit.insert("+") def btn_sub(self): self.lineEdit.insert("-") def btn_mul(self): self.lineEdit.insert("*") def btn_div(self): self.lineEdit.insert("/") def btnequal(self): text=self.lineEdit.text() self.lineEdit.insert("= %.2f" %(eval(text))) if __name__=='__main__': app=QApplication(sys.argv) win=Mywindow() win.pushButton_7.clicked.connect(win.btnClear_clicked()) win.pushButton.clicked.connect(win.btn1()) win.pushButton_2.clicked.connect(win.btn2()) win.pushButton_3.clicked.connect(win.btn3()) win.pushButton_4.clicked.connect(win.btn_plus()) win.pushButton_5.clicked.connect(win.btn4()) win.pushButton_6.clicked.connect(win.btn7()) win.pushButton_8.clicked.connect(win.btn5()) win.pushButton_9.clicked.connect(win.btn8()) win.pushButton_10.clicked.connect(win.btn0()) win.pushButton_11.clicked.connect(win.btn6()) win.pushButton_12.clicked.connect(win.btn9()) win.pushButton_13.clicked.connect(win.btnequal()) win.pushButton_14.clicked.connect(win.btn_sub()) win.pushButton_15.clicked.connect(win.btn_mul()) win.pushButton_16.clicked.connect(win.btn_div()) win.show() sys.exit(app.exec_())错在哪
你忘记了在导入模块时使用逗号分隔,应该改为:
```python
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QMainWindow
from Calui1 import Ui_Form
class Mywindow(QWidget,Ui_Form):
def __init__(self):
super(Mywindow,self).__init__()
self.setupUi(self)
def btnClear_clicked(self):
self.lineEdit.clear()
def btn1(self):
self.lineEdit.insert("1")
def btn2(self):
self.lineEdit.insert("2")
def btn3(self):
self.lineEdit.insert("3")
def btn4(self):
self.lineEdit.insert("4")
def btn5(self):
self.lineEdit.insert("5")
def btn6(self):
self.lineEdit.insert("6")
def btn7(self):
self.lineEdit.insert("7")
def btn8(self):
self.lineEdit.insert("8")
def btn9(self):
self.lineEdit.insert("9")
def btn0(self):
self.lineEdit.insert("0")
def btn_plus(self):
self.lineEdit.insert("+")
def btn_sub(self):
self.lineEdit.insert("-")
def btn_mul(self):
self.lineEdit.insert("*")
def btn_div(self):
self.lineEdit.insert("/")
def btnequal(self):
text=self.lineEdit.text()
self.lineEdit.insert("= %.2f" %(eval(text)))
if __name__=='__main__':
app=QApplication(sys.argv)
win=Mywindow()
win.pushButton_7.clicked.connect(win.btnClear_clicked)
win.pushButton.clicked.connect(win.btn1)
win.pushButton_2.clicked.connect(win.btn2)
win.pushButton_3.clicked.connect(win.btn3)
win.pushButton_4.clicked.connect(win.btn_plus)
win.pushButton_5.clicked.connect(win.btn4)
win.pushButton_6.clicked.connect(win.btn7)
win.pushButton_8.clicked.connect(win.btn5)
win.pushButton_9.clicked.connect(win.btn8)
win.pushButton_10.clicked.connect(win.btn0)
win.pushButton_11.clicked.connect(win.btn6)
win.pushButton_12.clicked.connect(win.btn9)
win.pushButton_13.clicked.connect(win.btnequal)
win.pushButton_14.clicked.connect(win.btn_sub)
win.pushButton_15.clicked.connect(win.btn_mul)
win.pushButton_16.clicked.connect(win.btn_div)
win.show()
sys.exit(app.exec_())
```
import sys from PyQt5.QtWidgets import QApplication, QWidget , QMainWindow from Calui1 import Ui_Form class Mywindow(QWidget,Ui_Form): def init(self): super(Mywindow,self).init() self.setupUi(self) def btnClear_clicked(self): self.lineEdit.clear() def btn1(self): self.lineEdit.insert("1") def btn2(self): self.lineEdit.insert("2") def btn3(self): self.lineEdit.insert("3") def btn4(self): self.lineEdit.insert("4") def btn5(self): self.lineEdit.insert("5") def btn6(self): self.lineEdit.insert("6") def btn7(self): self.lineEdit.insert("7") def btn8(self): self.lineEdit.insert("8") def btn9(self): self.lineEdit.insert("9") def btn0(self): self.lineEdit.insert("0") def btn_plus(self): self.lineEdit.insert("+") def btn_sub(self): self.lineEdit.insert("-") def btn_mul(self): self.lineEdit.insert("*") def btn_div(self): self.lineEdit.insert("/") def btnequal(self): text=self.lineEdit.text() self.lineEdit.insert("= %.2f" %(eval(text))) if name=='main': app=QApplication(sys.argv) win=Mywindow() win.pushButton_7.clicked.connect(win.btnClear_clicked()) win.pushButton.clicked.connect(win.btn1()) win.pushButton_2.clicked.connect(win.btn2()) win.pushButton_3.clicked.connect(win.btn3()) win.pushButton_4.clicked.connect(win.btn_plus()) win.pushButton_5.clicked.connect(win.btn4()) win.pushButton_6.clicked.connect(win.btn7()) win.pushButton_8.clicked.connect(win.btn5()) win.pushButton_9.clicked.connect(win.btn8()) win.pushButton_10.clicked.connect(win.btn0()) win.pushButton_11.clicked.connect(win.btn6()) win.pushButton_12.clicked.connect(win.btn9()) win.pushButton_13.clicked.connect(win.btnequal()) win.pushButton_14.clicked.connect(win.btn_sub()) win.pushButton_15.clicked.connect(win.btn_mul()) win.pushButton_16.clicked.connect(win.btn_div()) win.show() sys.exit(app.exec_())为什么会报错
这段代码有几个问题:
1. 在第一行导入语句中,`from PyQt5.QtWidgets import QApplication, QWidget , QMainWindow` 中间缺少逗号,应该为 `from PyQt5.QtWidgets import QApplication, QWidget, QMainWindow`。
2. 在 `Mywindow` 类的构造函数中,`init` 方法应该为 `__init__`。
3. 在 `Mywindow` 类中,所有的按钮槽函数应该以 `on_` 开头,例如 `on_btnClear_clicked`。
4. 在 `btnequal` 方法中,如果用户输入了非法表达式,可能会引发 `ZeroDivisionError` 异常,建议添加异常处理代码。
修改后的代码如下:
```
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QMainWindow
from Calui1 import Ui_Form
class Mywindow(QWidget,Ui_Form):
def __init__(self):
super(Mywindow,self).__init__()
self.setupUi(self)
def on_btnClear_clicked(self):
self.lineEdit.clear()
def on_btn1_clicked(self):
self.lineEdit.insert("1")
def on_btn2_clicked(self):
self.lineEdit.insert("2")
def on_btn3_clicked(self):
self.lineEdit.insert("3")
def on_btn4_clicked(self):
self.lineEdit.insert("4")
def on_btn5_clicked(self):
self.lineEdit.insert("5")
def on_btn6_clicked(self):
self.lineEdit.insert("6")
def on_btn7_clicked(self):
self.lineEdit.insert("7")
def on_btn8_clicked(self):
self.lineEdit.insert("8")
def on_btn9_clicked(self):
self.lineEdit.insert("9")
def on_btn0_clicked(self):
self.lineEdit.insert("0")
def on_btn_plus_clicked(self):
self.lineEdit.insert("+")
def on_btn_sub_clicked(self):
self.lineEdit.insert("-")
def on_btn_mul_clicked(self):
self.lineEdit.insert("*")
def on_btn_div_clicked(self):
self.lineEdit.insert("/")
def on_btnequal_clicked(self):
try:
text = self.lineEdit.text()
result = eval(text)
self.lineEdit.setText("= %.2f" % result)
except ZeroDivisionError:
self.lineEdit.setText("除数不能为零")
except Exception as e:
self.lineEdit.setText(str(e))
if __name__=='__main__':
app = QApplication(sys.argv)
win = Mywindow()
win.pushButton_7.clicked.connect(win.on_btnClear_clicked)
win.pushButton.clicked.connect(win.on_btn1_clicked)
win.pushButton_2.clicked.connect(win.on_btn2_clicked)
win.pushButton_3.clicked.connect(win.on_btn3_clicked)
win.pushButton_4.clicked.connect(win.on_btn_plus_clicked)
win.pushButton_5.clicked.connect(win.on_btn4_clicked)
win.pushButton_6.clicked.connect(win.on_btn7_clicked)
win.pushButton_8.clicked.connect(win.on_btn5_clicked)
win.pushButton_9.clicked.connect(win.on_btn8_clicked)
win.pushButton_10.clicked.connect(win.on_btn0_clicked)
win.pushButton_11.clicked.connect(win.on_btn6_clicked)
win.pushButton_12.clicked.connect(win.on_btn9_clicked)
win.pushButton_13.clicked.connect(win.on_btnequal_clicked)
win.pushButton_14.clicked.connect(win.on_btn_sub_clicked)
win.pushButton_15.clicked.connect(win.on_btn_mul_clicked)
win.pushButton_16.clicked.connect(win.on_btn_div_clicked)
win.show()
sys.exit(app.exec_())
```
希望能帮到你!
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