rms

win10客户端清除rms缓存

泪湿孤枕 提交于 2020-03-18 00:38:20
win10客户端清除rms权限模板缓存 1、清除之前的策略模板: 2、勾选隐藏的项目: 3、打开下面目录: 4、建议将目录下的文件备份后再进行删除: 5、删除之后客户端需再次连接rms服务器获取模板: 注:不同的客户端版本可能路径不同。 来源: 51CTO 作者: wx5c1caa1307417 链接: https://blog.51cto.com/14143477/2477976

评价指标RMSE、MSE、MAE、MAPE、SMAPE 、R-Squared——python+sklearn实现

久未见 提交于 2020-03-07 07:07:14
MSE 均方误差(Mean Square Error) RMSE 均方根误差(Root Mean Square Error) 其实就是MSE加了个根号,这样数量级上比较直观,比如RMSE=10,可以认为回归效果相比真实值平均相差10 MAE 平均绝对误差(Mean Absolute Error) MAPE 平均绝对百分比误差(Mean Absolute Percentage Error) SMAPE 对称平均绝对百分比误差(Symmetric Mean Absolute Percentage Error) scikit-learn中实现: # MSE, MAE, R2, RMSE法一 from sklearn.metrics import mean_squared_error #MSE from sklearn.metrics import mean_absolute_error #MAE from sklearn.metrics import r2_score#R 2 #调用 mean_squared_error(y_test,y_predict) mean_absolute_error(y_test,y_predict) np.sqrt(mean_squared_error(y_test,y_predict)) # RMSE r2_score(y_test,y_predict)

回归评价指标MSE、RMSE、MAE、R-Squared

守給你的承諾、 提交于 2020-02-27 00:29:09
简书 原作者 skullfang https://www.jianshu.com/p/9ee85fdad150 分类问题的评价指标是准确率,那么回归算法的评价指标就是MSE,RMSE,MAE、R-Squared 1.均方误差(MSE) MSE (Mean Squared Error)叫做均方误差。看公式 这里的两个y分别是 真实值 和 测试集 上的 预测值 。 用 真实值-预测值 然后 平方 之后 求和 平均 。 就是线性回归的损失函数!! 在线性回归的时候我们的目的就是让这个损失函数最小。那么模型做出来了,我们把损失函数丢到测试集上去看看损失值不就好了嘛。 2.均方根误差(RMSE) RMSE(Root Mean Squard Error)均方根误差。 就是MSE开个根号么。实质是一样的。只不过用于数据更好的描述。 ####例如:要做房价预测,每平方是万元,我们预测结果也是万元。那么差值的平方单位应该是 千万级别的。不利于描述。开完根号 就是一个数量级别的了。 MAE(平均绝对误差) R Squared 来源: https://www.cnblogs.com/duoba/p/12369883.html

chapter2 一个完整的机器学习项目实战

一个人想着一个人 提交于 2020-01-18 04:34:39
误差计算 均方根误差(RMSE)计算对应欧几里得范数的平方和的根,也称作 l2 范数。 $$RMSE(X, h) = \sqrt{\frac{1}{m}\sum_{i=1} ^m(h(x)^{(i)} - y^{(i)})^2} $$ 平均绝对误差(MAE)计算对应 l1 范数的绝对值和,也成为曼哈顿范数,因为其测量了城市中的两点,沿着矩形的边行走的距离。 $$MAE(X, h) = \frac{1}{m}\sum_{i=1}^m|h(x^{(i)}) - y^{(i)}|$$ lk 范数定义如下,其中 l0 显示向量的基数(非零元素个数),l∞ 向量中最大的绝对值。 $$||V||_j = (|v_0|^k + |v_1|^k + \cdots + |v_n|^k)^{\frac{1}{k}}$$ 范数的指数越高,就越关注大的值而忽略小的值,这就解释了为什么 RMSE 比 MAE 对异常值更敏感。当异常值是指数分布(类似正态曲线),RMSE 就会表现很好。 创建测试集 datapath = "C://Users/LENOVO/Desktop/book_need_reading/sklearn&tensorflow/data/housing.csv" housing = pd.read_csv(datapath) 使用 python 的 np.random.permutation

Getting RMS from FFT

╄→гoц情女王★ 提交于 2020-01-07 05:26:07
问题 I want to get the RMS after doing the fft to my data in order to get the same result as the RMS of data directly. I followed this topic https://fr.mathworks.com/matlabcentral/answers/131353-relation-between-fft-and-rms but I can't get the same results, it's a big difference. By Parseval's theorem "The total energy of a signal is preserved under the Fourier transform ( Parseval's theorem ), so the sum (or integral) of the square of a function is equal to the sum (or integral) of the square of

Reading RMS Data of other Midlet

♀尐吖头ヾ 提交于 2020-01-07 04:14:07
问题 I want to Read RMS Data created by one midlet from second midlet Target devise are S60 is it possible?? 回答1: It is possible. Open a record store associated with the named MIDlet suite. The MIDlet suite is identified by MIDlet vendor and MIDlet name. Access is granted only if the authorization mode of the RecordStore allows access by the current MIDlet suite. Access is limited by the authorization mode set when the record store was created: AUTHMODE_PRIVATE - Succeeds only if vendorName and

J2ME RMS - Best practice for opening/closing record store?

孤人 提交于 2020-01-04 21:36:08
问题 My midlet uses two record stores. Currently, I create/open both record stores when the app starts and I leave them both open for the entire lifetime of the app. If I open/close the record store after each operation (e.g., reading or writing) the delays are really bad in the emulator. Similarly, if I close the recordstores when the app exits, there is another very long delay. So is it OK for me to never close the record stores in my code (thereby, presuming the device will do this itself when

Find application mode, is it idle or not, in Java ME

跟風遠走 提交于 2020-01-03 01:23:24
问题 I want to send stored RMS data using an HTTP connection when the application is in idle mode. So if the user is not doing anything with the application at that time, my thread will invoke and send RMS data to server. For this requirement, how do I how find out if the application in active mode or idle mode? 回答1: You could wait for the backlight to go off, if that's enough of an indication of whether the application is active. Implement the SystemListener2 interface, there's a method

Why does ggplot (.predict) not change color/palette in R?

天涯浪子 提交于 2019-12-25 02:52:05
问题 Please find My Data below. I have the following plot I want to apply the "jco"-palette (or just manually typing a "#xxxxxx"-color). However, I cant make it work. I have tried library(ggplot2) library(ggsci) ggplot(Predict(model, ref.zero = TRUE, fun=exp)) + scale_color_jco() + scale_fill_jco() How can I 1) Manually change the color to #xxxxxx? 2) Apply the JCO-palette? My Data library(rms) model <- cph(Surv(Follow.up.death,Death)~rcs(total.mbq),data=w) w <- structure(list(Follow.up.death = c

Java Micro Edition (J2ME) - Update Record using recordstore enumeration

 ̄綄美尐妖づ 提交于 2019-12-23 04:38:07
问题 I have a record store of items which have (name, quantity, owner, status) Now when the user triggers an event I want to set the status of all items in my RecordStore with "purchased" re = shoppingListStore.enumerateRecords(null, null, false); while (re.hasNextElement()) { // read current values of item byte [] itemRecord = re.nextRecord(); // deserialise byte array newItemObject.fromByteArray(itemRecord); // set item status to purchased newItemObject.setItemStatus("Purchased"); // create new