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python - 值错误 : Must pass DataFrame with boolean values only

问题在此数据文件中,美国使用“REGION”列分为四个区域。创建一个查询,查找属于区域1或2、名称以“华盛顿”开头且POPESTIMATE2015大于其POPESTIMATE2014的县。此函数应返回一个5x2DataFrame,其列=['STNAME','CTYNAME']并且索引ID与census_df相同(按索引升序排列)。代码defanswer_eight():counties=census_df[census_df['SUMLEV']==50]regions=counties[(counties[counties['REGION']==1])|(counties[counti

python - TypeError : list indices must be integers, not str,while parsing json

提交请求后,我收到了以下json:{"type":[{"ID":"all","count":1,"references":[{"id":"Boston,MA,02118","text":"Boston,MA,02118","val":"Boston,MA,02118","type":1,"zip":"02118","city":"Boston","state":"MA","lt":"42.3369","lg":"-71.0637","s":""}]}]}我在变量j中捕获了响应并按如下方式加载它,l=json.loads(j)现在我有:>>>type(l)>>>l['type']['re

python - Tensorflow 无效参数 : Assertation Failed [Label IDs must < n_classes]

我在使用Python2.7的Tensorflow1.3.0中实现DNNClassifier时遇到错误。我从Tensorflowtf.estimatorQuickstart教程中获得了示例代码,我想使用我自己的数据集运行它:3D坐标和10个不同的类(int标签)。这是我的实现:#!/usr/bin/envpython#-*-coding:utf-8-*-defReadLabels(file):#loadthelabelsfromtestfileherelabelFile=open(file,"r")Label=labelFile.readlines();returnL=[[Label[i

python - 如何使用 Apache Kafka 修复 Python2.7 中的 "AssertionError: Value must be bytes"错误

我是ApacheKafka技术的新手。我正在尝试使用python2.7将消息作为JSON对象发送到kafka主题,但出现“AssertionError:Valuemustbebytes”错误。我可以成功地以字符串形式发送消息,我可以使用kafka-console-consumer.sh查看我的消息。我正在使用apachekafka2.10-0.8.2.1版本。我在下面给出我的代码。fromkafkaimportKafkaProducerimportyamlproducer=KafkaProducer(bootstap_servers="localhost:9092")msg=yaml.

python - 值错误 : Number of features of the model must match the input

我在尝试使用我在scikitlearn中构建的模型进行预测时遇到此错误。我知道有很多关于此的问题,但我的问题似乎与他们不同,因为我在输入和模型特征之间大相径庭。这是我训练模型的代码(仅供引用,.csv文件有45列,其中一列是已知值):importpandasaspdfromsklearn.model_selectionimporttrain_test_splitfromsklearnimportensemblefromsklearn.metricsimportmean_absolute_errorfromsklearn.externalsimportjoblibdf=pd.read_c

python - 类型错误 : the first argument must be callable

我正在使用python和schedulelib创建一个类似cron的作业classMyClass:deflocal(self,command):#returnsubprocess.call(command,shell=True)print"local"defsched_local(self,script_path,cron_definition):importscheduleimporttime#job=self.local(script_path)schedule.every(1).minutes.do(self.local(script_path))whileTrue:schedu

python - TypeError : must be string without null bytes, 不是 str

我正在尝试运行这段代码,对我拥有的每一帧运行相同的命令(几乎没有变化):traj.reset()importos#os.chdir(outname)fori,frameinenumerate(traj):frame.superpose()comando="pythonhollow.py-cconstraint-ohollow_%s.pdburei%s.pdb"%(i,i)os.system(comando)pml_cmd="pymolurei%s.pdbhollow_%s.pdb-c-d'ascartoon,urei%s;colorgray90,urei%s;centerchainA;

android - 运行时异常 : Your content must have a ListView whose id attribute is 'android.R.id.list'

我遇到了运行时异常java.lang.RuntimeException:YourcontentmusthaveaListViewwhoseidattributeis'android.R.id.list'我不知道怎么了。@OverridepublicvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.newslist);mDbHelper.open();fillData();}privatevoidfillData(){Bundleextras=

android - 运行时异常 : Your content must have a ListView whose id attribute is 'android.R.id.list'

我遇到了运行时异常java.lang.RuntimeException:YourcontentmusthaveaListViewwhoseidattributeis'android.R.id.list'我不知道怎么了。@OverridepublicvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.newslist);mDbHelper.open();fillData();}privatevoidfillData(){Bundleextras=

python - 用mechanize提交表单(TypeError : ListControl, must set a sequence)

我正在尝试使用mechanize提交表单但遇到错误(TypeError:ListControl,必须设置序列)在谷歌搜索了一段时间并尝试了几种不同的解决方案后我无法解决问题。我正在尝试提交所有字段。通过mechanize获取的表单数据(forfinbr.forms()print:f)=http://www.example.com:81/test.php?pass=550)(readonly)>)>)>=Doit!)(readonly)>>我当前的代码br.open('http://www.bitfarm.co.za/upload.php')br.select_form(nr=4)fil