我有一个包含实验参数的文件,其中每行都是不同的试验,每列都是实验的单独参数,以便在每次试验中选择不同的参数组合,例如声音和文本,例如。 “声音”:蓝色,“文本”:红色等
这些参数存储在 csv 中并使用 pandas 打开:
parameters = pd.read_csv('Parameters.csv')
Sound_list = parameters['Sound']
Text_list = parameters['Text']
for 循环正在 Psychopy 中迭代实验循环(不是参数列表本身),但即使使用以下内容我也无法让它工作。
for i in range(0,10):
n = range(0,len(Sound_list),1)
index = random.choice(n)
Sound_to_play = Sound_list.pop(index)
Text_to_show = Text_list.pop(index)
我试图从列表中弹出每个试验,以便每个组合显示相同的次数,但是我收到以下错误:
Traceback (most recent call last):
File "<ipython-input-4-9fe2444288e3>", line 4, in <module>
Sound_to_play = Sound_list.pop(index)
File "/opt/anaconda3/lib/python3.7/site-packages/pandas/core/generic.py", line 790, in pop
result = self[item]
File "/opt/anaconda3/lib/python3.7/site-packages/pandas/core/series.py", line 871, in __getitem__
result = self.index.get_value(self, key)
File "/opt/anaconda3/lib/python3.7/site-packages/pandas/core/indexes/base.py", line 4405, in get_value
return self._engine.get_value(s, k, tz=getattr(series.dtype, "tz", None))
File "pandas/_libs/index.pyx", line 80, in pandas._libs.index.IndexEngine.get_value
File "pandas/_libs/index.pyx", line 90, in pandas._libs.index.IndexEngine.get_value
File "pandas/_libs/index.pyx", line 138, in pandas._libs.index.IndexEngine.get_loc
File "pandas/_libs/hashtable_class_helper.pxi", line 997, in pandas._libs.hashtable.Int64HashTable.get_item
File "pandas/_libs/hashtable_class_helper.pxi", line 1004, in pandas._libs.hashtable.Int64HashTable.get_item
KeyError: 0
有人知道如何解决这个问题吗?谢谢!
如上所述,您没有列表。您必须考虑的第二件事是:
random.choice(n)
采用 seq 作为输入参数。所以在这种情况下你可以写:
parameters = pd.read_csv('Parameters.csv')
Sound_list = [n for n in parameters['Sound'].values]
Text_list = [n for n in parameters['Text'].values]
然后运行循环:
for i in range(0,10):
index = random.choice(Sound_list)
Sound_to_play = Sound_list.pop(index)
Text_to_show = Text_list.pop(index)