小编Mon*_*lal的帖子

我怎样才能找到女性的平均值/中位数(任何其他此类事物)？我尝试了一些代码来访问女性数据,但没有成功.任何帮助都非常感谢.

> jalal <- read.csv("jalal.csv", header=TRUE,sep=",")
> which(jalal$sex==F)
integer(0)
> jalal
   age sex weight eye.color hair.color
1   23   F   93.8      blue      black
2   21   M  180.8     amber       gray
3   22   F  196.5     hazel       gray
4   22   M  256.2     amber      black
5   21   M  219.6      blue       gray
6   16   F  152.1      blue       gray
7   21   F  183.3      gray   chestnut
8   18   M  179.1     brown      blond
9   15   M  206.1      blue      white
10  19   M  211.6     brown      blond
11  20   F  209.4 …

我有以下情节,我想在一个面板中显示所有这些图!我怎么能用矩阵呢？另外我想知道是否有其他方法而不是使用matrix和layout.

> plot(density(Boston$tax))
> rug(Boston$tax, col=2, lwd=3.5)
> hist(Boston$tax)
> rug(Boston$tax, col=2, lwd=3.5)
> table(Boston$chas)
Off  On 
471  35 
> barplot(table(Boston$chas))

> f1<-layout(matrix(c(0, 1,1,1,0,2,2,2,0,3,3,3) ,nrow = 4, ncol = 4, byrow = TRUE))
> layout.show(f1)

我希望在我的情节1,2和3中有这样的结构:

##      [,1] [,2] [,3] [,4]
## [1,]    0    1    1   1
## [2,]    0    2    2   2
## [3,]    0    3    3   3
## [4,]    blank0    0   0   

但是,我的代码输出显示了不同的东西: 有人可以向我解释下面的图c(...)是如何构建的？

你知道为什么以下可执行文件会出错并告诉你如何修复它？

aaron@aaron-desktop:~/Desktop/aws-mona/aws-mturk-clt-1.3.1/bin$ echo $JAVA_HOME 
/usr
aaron@aaron-desktop:~/Desktop/aws-mona/aws-mturk-clt-1.3.1/bin$ chmod 755 getBalance.sh 
aaron@aaron-desktop:~/Desktop/aws-mona/aws-mturk-clt-1.3.1/bin$ ./getBalance.sh 
An error occurred while fetching your balance: This request must be made over a secure channel. You must use 'https' rather than 'http'.
com.amazonaws.mturk.service.exception.InternalServiceException: This request must be made over a secure channel. You must use 'https' rather than 'http'.
    at com.amazonaws.mturk.service.axis.AWSService.executeRequestMessage(AWSService.java:243)
    at com.amazonaws.mturk.filter.FinalFilter.execute(FinalFilter.java:38)
    at com.amazonaws.mturk.filter.Filter.passMessage(Filter.java:56)
    at com.amazonaws.mturk.filter.ErrorProcessingFilter.execute(ErrorProcessingFilter.java:46)
    at com.amazonaws.mturk.filter.Filter.passMessage(Filter.java:56)
    at com.amazonaws.mturk.filter.RetryFilter.execute(RetryFilter.java:115)
    at com.amazonaws.mturk.filter.Filter.passMessage(Filter.java:56)
    at com.amazonaws.mturk.util.CLTExceptionFilter.sendMessage(CLTExceptionFilter.java:77)
    at com.amazonaws.mturk.util.CLTExceptionFilter.execute(CLTExceptionFilter.java:62)
    at com.amazonaws.mturk.service.axis.FilteredAWSService.executeRequests(FilteredAWSService.java:172)
    at com.amazonaws.mturk.service.axis.FilteredAWSService.executeRequest(FilteredAWSService.java:152)
    at com.amazonaws.mturk.service.axis.FilteredAWSService.executeRequest(FilteredAWSService.java:116)
    at com.amazonaws.mturk.service.axis.RequesterServiceRaw.getAccountBalance(RequesterServiceRaw.java:1193)
    at com.amazonaws.mturk.service.axis.RequesterService.getAccountBalance(RequesterService.java:922)
    at …

这是我的代码：

#!/usr/bin/python

# Import modules
import pandas as pd
import requests
import numpy as np

# Set ipython's max row display
pd.set_option('display.max_row', 1000)

# Insert your CrisisNET API key
api_key = xxxxxxxxxxxxxxx

# Insert your CrisisNET request API
api_url = 'http://api.crisis.net/item?sources=twitter&tags=weather'

# Create the request header
headers = {'Authorization': 'Bearer ' + api_key}

# Define how many data points you want
total = 10000

# Create a dataframe where the request data will go
df = pd.DataFrame()

# Define a …

当我运行离子服务时,我的网络浏览器中没有任何显示

ionic serve

这就是我收到的:

Monas-MacBook-Pro:myDemoApp mona$ ionic serve
The port 35729 was taken on the host localhost - using port 35730 instead
Running live reload server: http://localhost:35730
Watching : [ 'www/**/*', '!www/lib/**/*' ]
Running dev server: http://localhost:8100
Ionic server commands, enter:
  restart or r to restart the client app from the root
  goto or g and a url to have the app navigate to the given url
  consolelogs or c to enable/disable console log output
  serverlogs or s to enable/disable …

我的从属虚拟机出现故障，我猜这是因为 DFS 使用率为 100%。您能否给出一个系统的方法来解决这个问题？是防火墙问题吗？容量问题或可能导致该问题的原因以及如何解决？

ubuntu@anmol-vm1-new:~$  hadoop dfsadmin -report
DEPRECATED: Use of this script to execute hdfs command is deprecated.
Instead use the hdfs command for it.

15/12/13 22:25:49 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Configured Capacity: 845446217728 (787.38 GB)
Present Capacity: 797579996211 (742.80 GB)
DFS Remaining: 794296401920 (739.75 GB)
DFS Used: 3283594291 (3.06 GB)
DFS Used%: 0.41%
Under replicated blocks: 1564
Blocks with corrupt replicas: 0
Missing blocks: 0

-------------------------------------------------
Datanodes …

当我执行此查询时：

CREATE TABLE public.students (
  id INTEGER PRIMARY KEY NOT NULL DEFAULT NEXTVAL('students_id_seq'::regclass),
  first_name CHARACTER VARYING(20) NOT NULL,
  last_name CHARACTER VARYING(20) NOT NULL,
  major CHARACTER VARYING(20) NOT NULL
);
CREATE UNIQUE INDEX "Students_ID_uindex" ON students USING BTREE (id);

SELECT * FROM public.students;

我收到以下错误：

[2016-03-12 22:16:54] Run postgres.public.students [PostgreSQL - postgres@localhost]
[2016-03-12 22:16:54] Connecting TO PostgreSQL - postgres@localhost...
CREATE TABLE public.students (
  id INTEGER PRIMARY KEY NOT NULL DEFAULT NEXTVAL('students_id_seq'::regclass),
  first_name CHARACTER VARYING(20) NOT NULL,
  last_name CHARACTER VARYING(20) NOT NULL,
  major …

你能澄清一下为什么我的代码不能总是删除链表中的所有值等于方法参数中给定的值吗？我该如何解决？它通过了97%的测试用例.我更喜欢修复此问题而不是使用prev/next/dummy指针更改整个方法.

/**
 * Definition for singly-linked list.
 * public class ListNode {
 *     int val;
 *     ListNode next;
 *     ListNode(int x) { val = x; }
 * }
 */
public class Solution {
    /**
     * @param head a ListNode
     * @param val an integer
     * @return a ListNode
     */
    public ListNode removeElements(ListNode head, int val) {
        while (head!=null && head.val==val){
                head = head.next;
        }
        ListNode tmp=head;

        while (tmp!=null) {
                if (tmp.next!=null && tmp.next.val== val ) {
                    tmp.next=tmp.next.next;
                }
            tmp=tmp.next;
        } …

我正在尝试通过在SQL选项卡中键入以下内容并Go单击按钮来更改具有10.1.13-MariaDB的PhPMyAdmin的根密码：

ALTER USER
  'root'@'localhost' IDENTIFIED BY 'mypass'

我收到此错误：

Error
SQL query:


ALTER USER
  'root'@'localhost' IDENTIFIED BY 'mypass'
MySQL said: Documentation

1064-您的SQL语法有误；检查与您的MariaDB服务器版本相对应的手册以获取正确的语法，以在第1行的'USER'root'@'localhost'IDENTIFIED BY'mypass'附近使用

我在MySQL网站上遵循了本教程：

创建一个包含一行密码分配语句的文本文件。用您要使用的密码替换密码。

MySQL 5.7.6及更高版本：

ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass'

MySQL 5.7.5及更早版本：

SET PASSWORD FOR 'root'@'localhost' = PASSWORD('MyNewPass');

以下是一些屏幕截图：

我不确定为什么会出现速率限制错误。

(fashcomp) [jalal@goku fashion-compatibility]$ python main.py --test --l2_embed --resume runs/nondisjoint_l2norm/model_best.pth.tar --datadir ../../../data/fashion
/scratch3/venv/fashcomp/lib/python3.8/site-packages/torchvision/transforms/transforms.py:310: UserWarning: The use of the transforms.Scale transform is deprecated, please use transforms.Resize instead.
  warnings.warn("The use of the transforms.Scale transform is deprecated, " +
Traceback (most recent call last):
  File "main.py", line 313, in <module>
    main()    
  File "main.py", line 105, in main
    model = torch.hub.load('pytorch/vision:v1.9.0', 'resnet18', pretrained=True)
  File "/scratch3/venv/fashcomp/lib/python3.8/site-packages/torch/hub.py", line 362, in load
    repo_or_dir = _get_cache_or_reload(repo_or_dir, force_reload, verbose)
  File "/scratch3/venv/fashcomp/lib/python3.8/site-packages/torch/hub.py", line 162, in _get_cache_or_reload
    _validate_not_a_forked_repo(repo_owner, repo_name, branch)
  File …