这个Python代码:ValueError异常:设置一个数组元素与序列
import numpy as p
def firstfunction():
UnFilteredDuringExSummaryOfMeansArray = []
MeanOutputHeader=['TestID','ConditionName','FilterType','RRMean','HRMean','dZdtMaxVoltageMean','BZMean','ZXMean'
,'LVETMean','Z0Mean','StrokeVolumeMean','CardiacOutputMean','VelocityIndexMean']
dataMatrix = BeatByBeatMatrixOfMatrices[column]
roughTrimmedMatrix = p.array(dataMatrix[1:,1:17])
trimmedMatrix = p.array(roughTrimmedMatrix,dtype=p.float64) #ERROR THROWN HERE
myMeans = p.mean(trimmedMatrix,axis=0,dtype=p.float64)
conditionMeansArray = [TestID,testCondition,'UnfilteredBefore',myMeans[3], myMeans[4], myMeans[6], myMeans[9]
, myMeans[10], myMeans[11], myMeans[12], myMeans[13], myMeans[14], myMeans[15]]
UnFilteredDuringExSummaryOfMeansArray.append(conditionMeansArray)
secondfunction(UnFilteredDuringExSummaryOfMeansArray)
return
def secondfunction(UnFilteredDuringExSummaryOfMeansArray):
RRDuringArray = p.array(UnFilteredDuringExSummaryOfMeansArray,dtype=p.float64)[1:,3]
return
firstfunction()
抛出此错误消息:
File "mypath\mypythonscript.py", line 3484, in secondfunction
RRDuringArray = p.array(UnFilteredDuringExSummaryOfMeansArray,dtype=p.float64)[1:,3]
ValueError: setting an array element with a sequence.
谁能告诉我该怎么做来解决这个问题在上面的破碎的代码,以便它停止抛出错误消息?
编辑: 我做了一个打印命令来获取矩阵的内容,这是它打印出来:
UnFilteredDuringExSummaryOfMeansArray是:
[['TestID', 'ConditionName', 'FilterType', 'RRMean', 'HRMean', 'dZdtMaxVoltageMean', 'BZMean', 'ZXMean', 'LVETMean', 'Z0Mean', 'StrokeVolumeMean', 'CardiacOutputMean', 'VelocityIndexMean'],
[u'HF101710', 'PreEx10SecondsBEFORE', 'UnfilteredBefore', 0.90670000000000006, 66.257731979420001, 1.8305673000000002, 0.11750000000000001, 0.15120546389880002, 0.26870546389879996, 27.628261216480002, 86.944190346160013, 5.767261352345999, 0.066259118585869997],
[u'HF101710', '25W10SecondsBEFORE', 'UnfilteredBefore', 0.68478571428571422, 87.727887206978565, 2.2965444125714285, 0.099642857142857144, 0.14952476549885715, 0.24916762264164286, 27.010483303721429, 103.5237336525, 9.0682762747642869, 0.085022572648242867],
[u'HF101710', '50W10SecondsBEFORE', 'UnfilteredBefore', 0.54188235294117659, 110.74841107829413, 2.6719262705882354, 0.077705882352917643, 0.15051306356552943, 0.2282189459185294, 26.768787504858825, 111.22827075238826, 12.329456404418824, 0.099814258468417641],
[u'HF101710', '75W10SecondsBEFORE', 'UnfilteredBefore', 0.4561904761904762, 131.52996981880955, 3.1818159523809522, 0.074714285714290493, 0.13459344175047619, 0.20930772746485715, 26.391156337028569, 123.27387909873812, 16.214243779323812, 0.1205685359981619]]
看起来像5行13列矩阵给我,尽管当不同的数据通过脚本运行时行数是可变的。有了我在这添加的相同数据。
编辑2:但是,该脚本正在抛出一个错误。所以我不认为你的想法解释了这里发生的问题。不过谢谢你。任何其他想法?
EDIT 3:
仅供参考,如果我更换这个问题行代码:
RRDuringArray = p.array(UnFilteredDuringExSummaryOfMeansArray,dtype=p.float64)[1:,3]
与此相反:
RRDuringArray = p.array(UnFilteredDuringExSummaryOfMeansArray)[1:,3]
接着的那个部脚本可以正常工作而不会抛出错误,但是这一行代码更进一步上下行:
p.ylim(.5*RRDuringArray.min(),1.5*RRDuringArray.max())
抛出这个错误:
File "mypath\mypythonscript.py", line 3631, in CreateSummaryGraphics
p.ylim(.5*RRDuringArray.min(),1.5*RRDuringArray.max())
TypeError: cannot perform reduce with flexible type
所以你可以看到,我需要以指定数据类型能在matplotlib使用ylim,但尚未指定数据类型抛出启动此帖子的错误消息。
谢谢,但我不认为这是答案。当它抛出上面的错误时,我添加了数组的内容。在我看来,它是一个盒子,当我将它粘贴到记事本中并逐行检查时。任何其他想法? – MedicalMath
您的编辑似乎解决了我的问题。我需要设置dtype =对象。非常感谢你。 – MedicalMath
此问题已完全解答。 – MedicalMath