生成器与迭代器区别： 容器是一种把多个元素组织在一起的数据结构， 容器中的元素可以逐个地迭代获取，可以用in,not in 关键字判断元素是否包含在容器中。 通...
https://developer.android.com/reference/android/os/Looper.html
Understand是一个用来进行静态的软件分析、软件度量、软件可视化的工具。他类似于编译器。...编译器的输入是代码，输出是可执行文件，而Understand工具的输入也是代码，输出则是对代码的“理解”。 Understand把自己分析所得的信息放在一个后缀名为*.udb的数据库中。...利用Understand，你可以生成一份html或是txt格式的报告，里面包括从代码量等基本信息到依赖关系等高级信息。这个功能对于开发者来说非常便捷。...在这里申请一份试用版本，几小时内你会收到一份邮件，里面有understand百度云链接。下载安装。 打开后界面是这样的： ?...学习教程： understand官方用户指南和参考手册 如果你不使用GUI而是需要使用API，这里是API教程，支持Python和Perl。
今天看到一个推文说这个软件比SI好用，有强大的图形报表能力 在我这里的压缩包里面有主体软件和注册机 我们直接下一步安装 我们这里点创建图标和安装进系统路径 下...
首发平台：微信公众号baiwenkeji 很多人在做触摸屏驱动实验，移植tslib库时，可能会出现错误提示“selected device is not a touchscreen I understand...ABS_Y)) && (absbit & (1 << ABS_PRESSURE)))) { fprintf(stderr, “selected device is not a touchscreen I understand...return 0; } 其中关键的是version == EV_VERSION这个判断语句，如果这俩不等，那么就会打印出selected device is not a touchscreen I understand
您可以使用图例关键字创建在 Excel 中引用属性的缩写方式。可以根据情况指定此缩写形式。
在有效使用 Argo CD 之前，有必要了解该平台所基于的基础技术。还需要了解向您提供的功能以及如何使用它们。以下部分提供了一些有用的链接，可以帮助您理解。
how correlation can be identified using visualisation Scatterplot -understand the concept of a linear...relation, versus a non linear relation for a pair of features -understand why the concept of correlation...is important, where it is used and understand why correlation is not the same as causation Discover...-understand the use of Euclidean distance for computing correlation between two features and its advantages...-understand the use of Pearson correlation coefficient for computing correlation between two features
Our first workshop began with three obvious principles: Understand your ideas....Understand your ideas....If you don’t understand your ideas well, you will not present your ideas well....So understand your ideas before you communicate them....This means that it can be a good practice to write in order to understand.
Lecture 15-16: Blockchain and data processing -understand the motivation for blockchain technology remove...users ability to be anonymous users can verify data in the blockchain more secure solution(maybe) -understand...-understand what are the benefits of blockchains Benefit of blockchain A middleman (trusted party) holds...-understand how hashing is used to identify and link blocks -understand how digital signatures be used...-understand how blockchain might be used to deliver benefits in health and education applications Health
Lecture 22: Differential privacy -for differential privacy, understand what information is being protected...being protected feels safe their are not much difference whether or not I take part in the survey -understand...or absence of an indivual could make to the result can be calculated by look at the datasets -understand...loss, low utility k=hgih: larger privacy loss, high utility k=low: low privacy loss, lower utility -understand...Understand how this protects the privacy of an individual -understand that the amount of noise added
Understand its extension to conditional entropy Entropy A measure used to assess the amount of uncertainty...Understand how this provides a ranking of features, according to their predictiveness of the class NMI...-understand that normalised mutual information can be used to provide a more interpretable measure of...The formula for normalised mutual information will be provided on the exam -understand the advantages...Understand the main differences between this and Pearson correlation.
Understand how it relates to data wrangling....Understand how it relates to data wrangling....Understand how TP,TN,FP and FN are used in the accuracy calculation....-Understand the key steps in building a decision tree....Even a naive person can understand logic.
-understand the concept of a dissimilarity matrix and the steps for its construction Clustering...Understand the potential benefits of using PCA for data visualisation Principal Components Analysis (...-understand the intuition of how PCA works....It is not necessary to understand the mathematical formulas used for PCA....Select less features but won't lost much information to describe objects -Understand intuitively
what the record (data) linkage problem is combining related/equivalent records across data sources -understand...-understand the record linkage pipeline of preparation, blocking, scoring, matching and merging Record...-understand the objective of privacy preserving data linkage the objective of privacy preserving without...revealing any information about individuals who do not get linked across the databases -understand...Understand the disadvantages of this protocol 3 party protocal Organisation C = trusted 3rd party
Lecture 5: Recommender systems -understand what is a recommender system A recommender system is a...-understand why missing data is an important issue for recommender systems -understand what is collaborative...for a given user-item pair as a weighted sum over the k-most similar items that they rated -understand...For item ii compute its similarity to each other item ij -understand how to measure user-user similarity...cluster & use the centre of the cluster as the rating prediction Faster but less accurate -understand
查看文件内容 $ cat test.txt git test git init git diff $ 接下来模拟正常工作,接着输入一下内容: # 追加新内容到 test.txt 文件 echo "understand...how git control version" >> test.txt # 查看当前文件内容 $ cat test.txt git test git init git diff understand...how git control version $ git diff 命令即查看差异(difference),从输出结果可以看出我们在最后一行新增了understand how git control...第二步: git commit -m # 提交到版本库并添加备注 $ git commit -m "add understand how git control version" [master...36f234a] add understand how git control version 1 file changed, 2 insertions(+) $ 提交后,我们此时再次运行git
Interpretability How easily can I understand the data?...Makes data easier to visualise & faster to analyse Data Transformation Standardisation -understand...Columns = features / attributes Data rows = instances / objects -understand the difference...) Not recorded due to misunderstanding May not be considered important at time of entry Deliberate -understand...random If the missing values on a variable are related to the values of that variable itself -understand
privacy may be uncovered by linking to an external dataset or by use of background or external knowledge -understand...non-sensitive attributes Sensitive attributes = information that people don’t wish to reveal -understand...each group ensure there are at least I different values of the sensitive attribute in each group -understand...able to determine whether an example table satisfies a given level of k-anonymity or l- diversity -understand...-understand the possible privacy concerns of people’s location data being shared under the potential
clustering visualisation -be able to explain why it is useful to perform clustering on a dataset and understand...-understand the steps of the k-means algorithm Step1: Select the number of clusters you want to...raw) dissimilarity matrix may not reveal enough useful information Further processing is needed -understand...-understand why the VAT algorithm is useful and how to interpret a dissimilarity matrix that has been...Choose next object that is closest to the first Repeat by selecting next closest object -understand
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