Npts

Apr 16, 2024 · 使用传统预测器时，仅当使用 CNN-QR 、 DeepAR+ 和 Prophet 算法训练预测器时，才可以使用相关时间序列数据集。. NPTS 、 ARIMA 和 ETS 不接受相关时间序列数据。. 下表显示了每种 Amazon Forecast 算法接受的相关时间序列的类型。. 使用 AutoML 时，您可以提供历史和前瞻性 ...

National Truck & Trailer Services Breakdown Directory is your most comprehensive guide to semi truck repair facilities nationwide. We provide a comprehensive database of locations which provide Truck Repair, Towing and Recovery, Tire Sales and Repair, Transport Refrigeration, Trailer Repair, Truck Stops with Repair, Pallets, Truck Wash, Glass Repair, Locksmiths, Fuel Stops, Motels, Scales ... May 25, 2023 · NPTs can already be found in commercial applications such as forklifts, electric scooters, and wheelchairs. Even so, up to the knowledge of authors, there is no known established large-scale production of NPTs for most applications. This work presents a systematic literature review regarding the mechanical design and development of NPTs.Apr 22, 2020 · python,地震波形、时频图、频谱图计算和显示软件 - Iceberg_710815 - 博客园. 在地震波形分析时，时频图可以辅助识别信号，频谱图可以观察地震信号的频率分布范围，发现波形的优势频率，是地震类型判断和科学研究的重要工具。. 下面这段基于python开发 … In addition to being prominent scholars, our NPTS faculty participate in international diplomatic forums, interact with government officials on current policy issues, conduct policy-oriented research, and are actively developing new tools for monitoring threats from terrorism and weapons of mass destruction. Pipe thread sizes are based on an inside diameter (ID) or flow size. For example, “1/2–14 NPT” identifies a pipe thread with a nominal inside diameter of 1/2 inch and 14 threads to the inch, made according to the NPT standard. If “LH” is added, the pipe has a left hand thread. The most common global pipe thread forms are:Apr 15, 2023 · 6.3.4. Geod类¶ Geod类主要用来求算地球大圆两点间的距离和相对方位，以及相反的操作。 同时也可以在两点间插入等分点。 该类主要包括三个函数： 正转换¶ fwd() 函数可以进行正转换，返回经纬度。 也可以用 NumPy 与常规的Python数组对象 ...Check out our gallery filled with inspirational pool designs in every shape, size and color imaginable. National Pool Tile (NPT) distributes pool tiles, pool finishes, hardscapes, and outdoor living products. Download NPT mobile app for …

Ford Employees Dealers Tier 2/3 Suppliers, Fleet and other Retirees - North Americas Only Retirees - Rest of World. Learn how to prevent, detect, and investigate terrorism and weapons of mass destruction at the Middlebury Institute of International Studies. Explore the program details, …NPTS is an advanced Web Solution provider company in UAE. We offer web hosting services with servers running on the latest technologies available in the market. we provide both Windows & Linux hosting services with complete automation using the best Control Pannel “H-sphere”. We are the best for your business needs, whether small or large.Apr 12, 2022 · The simple and trapezoid type NPTs have the least values of deformation, meaning that straight spoke structures have high load carrying ability than honeycomb-based NPTs and the pneumatic tyres . The horizontal portions support the vertical spokes at 3 different points that provide a high amount of strength to the trapezoid structure and ...Pipe thread sizes are based on an inside diameter (ID) or flow size. For example, “1/2–14 NPT” identifies a pipe thread with a nominal inside diameter of 1/2 inch and 14 threads to the inch, made according to the NPT standard. If “LH” is added, the pipe has a left hand thread. The most common global pipe thread forms are:This research guide will help you find library databases, search tools, and reference sources for nonproliferation.

transient_split (npts) [source] # Step Segmentation for Transient Analysis. It is not necessary to use this method. Parameters# npts int. Total steps for transient analysis. Returns# A list to loop. On this page SmartAnalyze. SmartAnalyze.StaticAnalyze() SmartAnalyze.TransientAnalyze()NPTS: National Plan for Teaching Swimming (Amateur Swimming Association; UK) NPTS: Nationwide Personal Transportation Survey: NPTS: Nature Protection Trust of …Apr 13, 2024 · 对于除 NPTS（基于非负数据训练）和 DeepAR（具有负二项式似然函数）之外的所有模型，不能保证会生成正数。解决方案是更改为上述模型之一，或者将预测值截断为非负值。 问：为什么准确度指标在分位数上有所不同？ 既然模型相同，错误不应该一样吗？NPTS, a local method developed at Amazon, has a key difference when compared to the other local models. Unlike the simple seasonal forecasters, which provide point forecasts …npts.min: minimal number of points used for fitting the polynomial. noise: noise level to be considered during the fit. It may be given as one value for all the spectra, or for each spectrum separately. max.iter: stop at the latest after so many iterations. stop.on.increase

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Nelson Property Transfer Services | 153 followers on LinkedIn. You're in safe hands! | Nelson Property Transfer Services take care of all your conveyancing needs including buying, selling and other conveyancing transactions including title transfers. With NPTS, you're in safe hands. We understand that a transaction involving property is one of …Non-promotable tasks (NPTs) are often crucial to an organization’s success, but they rarely contribute to an employee’s career progression. Learn how to …Jun 11, 2022 · class pyproj.Geod(initstring=None, **kwargs) [源代码] ¶. 基类： pyproj._geod.Geod. 进行正反大地测量或大圆计算。. 前向计算（使用“fwd”方法）涉及确定计算的纬度、经度和后方位角。. 前向计算（使用“fwd”方法）涉及确定一个终点的纬度、经度和后方位角，给定一个起点 ...Jun 11, 2022 · class pyproj.Geod(initstring=None, **kwargs) [源代码] ¶. 基类： pyproj._geod.Geod. 进行正反大地测量或大圆计算。. 前向计算（使用“fwd”方法）涉及确定计算的纬度、经度和后方位角。. 前向计算（使用“fwd”方法）涉及确定一个终点的纬度、经度和后方位角，给定一个起点 ...

Sep 17, 2021 · 文章浏览阅读7.5k次。参考2：非线性材料定义2：TB,lab,mat,ntemp,npts,tbopt,eosopt定义非线性材料的特性和特殊的单元属性lab:ANAND——Anand塑性模型选项ANEL——各向异性弹性材料的弹性矩阵选项ANISO——各向异性塑性材料选项BH——磁场 ...NPts possess many advantages over traditional pesticides due to their special physical and chemical properties. NPts act mainly through two mechanisms when contacting biological cells. Nano pesticides have the advantages of small size and sharp surface, which can directly interact with the cell membrane or pass through the cell wall …Description. setm(abm,propname,propval) sets the property propname of the axesm -based map abm to the value propval. You can set multiple properties and their values at a time by using comma-separated pairs. For a full list of axesm -based map property names and valid values, see axesm-Based Map Properties. setm(gs,propname,propval) sets the ...Samsung - Pre-Owned Galaxy Note 10+ 256GB (Unlocked) - Aura Black. Model: N975U. SKU: 6472206. (47) Compare. $379.99. 2 free items with purchase.2022 NHTS Documentation. Users' Guide V2.0 (pdf) NHTS Compatibility with Prior Data V2.0 (pdf) Version 2.0 Release Notes (pdf) Codebook V2.0 (pdf) (xlsx) Data Dictionary …where npts is the value of the Points of Window variable. However, when the smoothing method is FFT filter, moving window is not used. Instead, the whole signal is processed. The adjacent-averaging method. The adjacent-averaging method uses the simplest possible averaging procedure: each is the average of the data points within the moving window.NPTS Geelong, Geelong, Victoria. 623 likes · 3 talking about this · 16 were here. Nelson Property Transfer Services Geelong can take care of all your conveyancing needs including buyAs curators of the odd, the curious, and the unusual, Ripley's Believe It or Not! has a little strange in store for everyone. For over 100 years, Ripley's has celebrated incredible … Dịch vụ. Tập trung thi công lắp đặt MBA 220kV-250 MVA , thí nghiệm hiệu chỉnh tại TBA 220 kV Long Biên. Sửa chữa lớn lưới truyền tải điện. Xử lý sự cố, SCTX lưới truyền tải điện. Lắp đặt, sửa chữa, thí nghiệm, hiệu chỉnh lưới truyền tải điện. Tự động hóa và ... Feb 7, 2022 · ERROR: GeodError: inv_intermediate: npts and del_s are mutually exclusive, only one of them must be != 0. This is happening, because when compiling, there are equal points being compiled, and therefore there is no possibility of plotting the line that interconnects the points. As the image below: image.png. Solution suggestion.Measurement of non-protein thiols (NPTs), glutathione (GSH), and phytochelatins (PCs) Root tissue NPT contents were determined according to the procedures described by Bhargava et al. (2005) . Briefly, root tips were rinsed with deionized water, dried and ground, and samples (0.2 g) placed in sulfosalicylic acid …

Oct 4, 2022 · npts *¶ 数据点数，其值决定了在数据区有多少个数据点。 delta *¶ 等间隔数据的数据点采样周期（标称值）。 odelta ¶ 采样周期的实际值，若实际值与标称值不同则有值，一般来说都是未定义的。 b, e *¶ 文件的起始时间和结束时间（相对于参考时刻的秒数）。 *

Nyvall News & Notes, March 18. March 18, 2024. Important Dates March 25 Dinner at the Ondrey-Johnson’s (hosted by Hauna Ondrey and Andy Johnson)* April 6 In-person Humility Illuminated discussion with Dean Dennis Edwards (Session 2), 3-4:30pm CST 13 Thai New Year Celebration field….Sep 12, 2023 · Docking with zinc metalloproteins. Zinc is present in a wide variety of proteins and is important in the metabolism of most organisms. Zinc metalloenzymes are therapeutically relevant targets in diseases such as cancer, heart disease, bacterial infection, and Alzheimer’s disease. In most cases a drug molecule targeting such … NPTS, Inc. was founded in 1982, initially to fill a need for capable, practical and highly experienced professionals in the fields of probabilistic risk assessment, thermal & hydraulic design and two-phase flow. Call us: (716) 876-8066 Apr 20, 2018 · 使用filtfilt时出错＆gt; getCoeffsAndInitialConditions（第182行） 数据长度必须大于18个样本。. filtfilt出错（第97行） [b，a，zi，nfact，L] = getCoeffsAndInitialConditions（b，a，Npts）; 抽取时出错（第136行） odata = filtfilt（b，a，idata）; ENGNeuralNetwork错误（第56行） decdatae（CH ...Oct 4, 2022 · 说明¶ 该命令对数据进行离散傅立叶变换。为了使用快速傅立叶变换算法，在进行变换之前，需要对数据文件进行补零以保证数据点数为2的整数次幂，比如1000个点的时间序列文件会被补零至1024个点，且头段变量 npts 也会被相应修改。 进行离散傅立叶变换之后，头段变量 b 为谱文件的起始频率，其 ...It takes only 3–4 weeks for the NPTS to degrade completely in natural soil. A four-keypad NPTS was demonstrated by interfacing with the Arduino UNO development board. Folding, bending, and multiple finger-touch trials caused only slight capacitive changes to the NPTS, with no loss of function. The facile fabrication of the NPTS will be ...

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Nyvall News & Notes, March 18. March 18, 2024. Important Dates March 25 Dinner at the Ondrey-Johnson’s (hosted by Hauna Ondrey and Andy Johnson)* April 6 In-person Humility Illuminated discussion with Dean Dennis Edwards (Session 2), 3-4:30pm CST 13 Thai New Year Celebration field….Docking with zinc metalloproteins. Zinc is present in a wide variety of proteins and is important in the metabolism of most organisms. Zinc metalloenzymes are therapeutically relevant targets in diseases such as cancer, heart disease, bacterial infection, and Alzheimer’s disease. In most cases a drug molecule targeting such enzymes ...where npts is the value of the Points of Window variable. However, when the smoothing method is FFT filter, moving window is not used. Instead, the whole signal is processed. The adjacent-averaging method. The adjacent-averaging method uses the simplest possible averaging procedure: each is the average of the data points within the moving window.Contact NPTS Bellarine. Phone: 03 5221 7411 Email: [email protected]. Address: Shop 1, 75 The Terrace, Ocean Grove, 3226. Follow us on Facebook. NPTS Geelong in Facebook. News & Updates. AIC State Conference Awards 2024-04-23; You’re In Safe Hands With Nelson Property Transfer Services 2021-10-14; What does NPTS mean? What does NPTS stand for? 35 popular meanings of NPTS abbreviation: Vote. 3. Vote. Nationwide Personal Transportation Survey+ 1. Arrow. Transportation, Government, Survey. Improving the distribution of NPTs is an organizational problem: employers and team leaders must lead the change. The solutions we present here, based on our work, are easy to understand and adopt.This research guide will help you find library databases, search tools, and reference sources for nonproliferation.Contact NPTS Bellarine. Phone: 03 5221 7411 Email: [email protected]. Address: Shop 1, 75 The Terrace, Ocean Grove, 3226. Follow us on Facebook. NPTS Geelong in Facebook. News & Updates. Nelson Property Transfer Services Now Call The Surf Coast Home 2022-01-13;Contact NPTS Bellarine. Phone: 03 5221 7411 Email: [email protected]. Address: Shop 1, 75 The Terrace, Ocean Grove, 3226. Follow us on Facebook. NPTS Geelong in Facebook. News & Updates. Nelson Property Transfer Services Now Call The Surf Coast Home 2022-01-13; ….

Nationwide Personal Transportation Survey (NPTS) data are collected by the Federal Highway Administration (FHWA). It is the only national source of information on personal travel for all modes of transportation and all trip purposes. NPTS also tracks the economic, social, demographic, and geographic characteristics of the traveler. Dec 19, 2023 · fillPoly 函数介绍. fillPoly() 函数是 OpenCV 中用于绘制填充多边形的函数。. 函数原型如下：. /** @brief Fills the area bounded by one or more polygons. The function cv :: fillPoly fills an area bounded by several polygonal contours. The function can fill. complex areas, for example, areas with holes, contours with self ...1 day ago · The NPTS includes Foundation Phase (Adult & Child, ASA Duckling Awards), plus there is an additional phase of Alpha Awards between Foundation and NPTS Stage 1 to support adults who may not be very water confident or support for those with a disability. The Core, FUNdamental Movement skills are NPTS Stages 1 – 7.Note: These filters only shows NPTs that existed from the end of the current reporting day back. It does not show NPTs entered on future dates. The Wellbore name appears at the top of the form to identify the selected wellbore being viewed. Any new NPTs added at this time will be added to this wellbore. NPTS application provides secure one-way transfer for all network packets across the data diode. This application is typically used as a solution for monitoring (sniffing) all network traffic at full line-rate. The send-only side of NPTS “listens for” and processes all raw Ethernet packets on the source network, sending them across the data ... XSec and Airfoil Functions. This group of functions provides API control of cross-sections (XSecs). Airfoils are a type of XSec included in this group as well. API functions for Body of Revolution XSecs are incuded in the SpecializedGeom group. The NHTS provides information to assist transportation planners and policy makers who need comprehensive data on travel and transportation patterns in the United States. The … NPTS, Inc. is a small disadvantaged Minority Owned Engineering Consulting and Construction Management Firm which provides a variety of Engineering, Design, Operations, Maintenance & Technological Support Services to major utilities (nuclear, fossil, etc.) throughout the United States. HE 1990 Nationwide Personal Transportation Survey (NPTS) provides a comprehensive look at personal travel in the U. S. The 1990 survey and the three earlier surveys in the NPTS series yield important data on the travel behavior of the American population. The NPTS series provides data to examine the relationship among social and demographic change, Dec 28, 2022 · npts—代表有几组点集。 ncontours—代表有内个轮廓。 isClosed—是否把绘制的多条线段首尾相连，显示，如果要绘制多边形，则这个参数值该置为true。 color—线条的颜色，用三通道表示。 thickness—线条的粗细，这里不能取负值。 lineType—线条的类型 Npts, Paper 1: Romeo and Juliet. Paper 1: Lord of the Flies. Paper 1: Jekyll and Hyde. Paper 1: Jekyll and Hyde 2. Paper 1: Great Expectations. Paper 2: An Inspector Calls. Paper 2: Power and Conflict. Paper 2: Non-Fiction. Paper 2: Poetry Anthrology and Unseen Poetry., National Truck & Trailer Services Breakdown Directory is your most comprehensive guide to semi truck repair facilities nationwide. We provide a comprehensive database of locations which provide Truck Repair, Towing and Recovery, Tire Sales and Repair, Transport Refrigeration, Trailer Repair, Truck Stops with Repair, Pallets, Truck Wash, Glass Repair, Locksmiths, Fuel Stops, Motels, Scales ... , Learn how to prevent, detect, and investigate terrorism and weapons of mass destruction at the Middlebury Institute of International Studies. Explore the program details, …, Advance your career in global security through a unique focus on addressing the challenges posed by domestic and international terrorism, weapons of mass destruction (WMD), and financial crime. Our Master of Arts in Nonproliferation and Terrorism Studies (NPTS) gives you specialized knowledge and ... , The first three NPTS surveys, conducted in 1969, 1977 and 1983, used an address sample from the Census Bureau. However, because the Census Bureau had conducted the survey, there were stricter confidentiality requirements, and neither the address nor the Census tract could be provided to us. In the 1990 NPTS, we did not need to collect the address,, Advance your career in global security through a unique focus on addressing the challenges posed by domestic and international terrorism, weapons of mass destruction (WMD), and financial crime. Our Master of Arts in Nonproliferation and Terrorism Studies (NPTS) gives you specialized knowledge and ... , It takes only 3–4 weeks for the NPTS to degrade completely in natural soil. A four-keypad NPTS was demonstrated by interfacing with the Arduino UNO development board. Folding, bending, and multiple finger-touch trials caused only slight capacitive changes to the NPTS, with no loss of function. The facile fabrication of the NPTS will be ..., May 24, 2023 · Anomaly detection is vital in many domains, such as finance, healthcare, and cybersecurity. In this paper, we propose a novel deep anomaly detection method for tabular data that leverages Non-Parametric Transformers (NPTs), a model initially proposed for supervised tasks, to capture both feature-feature and sample-sample dependencies. …, The NPTS likely underrepresents single parent low income households because it is a telephone survey (2). Although nationwide, only 5 percent of households do not, Sep 13, 2021 · 输入 pickpts，然后按 Enter 。. 5. 鼠标光标将更改为数据读取器光标，并创建了一个空白工作簿来收集选取的点。. 6. 您可以双击绘图上的点以收集它们，也可以单击一个点然后按 Enter 进行收集。. 7. 对于密集的图形， 我们可以放大后精确地选择点。例如, 要选 …, Mar 18, 2019 · The NPTS treatment produced the largest grain yield, and the mean crop yield for NPTS was 14.7% and 8.5% greater than for NT and NTS, respectively, over the 8 years. , Apr 17, 2024 · The leading independent training provider to parishes and towns in Norfolk and beyond. Our network of experienced Norfolk clerks and associates are available to help with any queries or support that you may need by phone or email., Email: [email protected]. Address: Shop 1, 75 The Terrace, Ocean Grove, 3226. Follow us on Facebook. NPTS Geelong in Facebook. News & Updates. Nelson Property Transfer Services Now Call The Surf Coast Home 2022-01-13; You’re In Safe Hands With Nelson Property Transfer Services 2021-10-14;, Email: [email protected]. Address: Shop 1, 75 The Terrace, Ocean Grove, 3226. Follow us on Facebook. NPTS Geelong in Facebook. News & Updates. AIC State Conference Awards 2024-04-23; You’re In Safe Hands With Nelson Property Transfer Services 2021-10-14; Homebuyer Fund 2021-10-12, The web page discusses the quantitative studies that assess the correlation between the nuclear nonproliferation treaty (NPT) and nuclear proliferation, and the …, Oct 20, 2021 · 说明：vtkIdType *pts，存储的是所包括点在points中的顺序信息，其个数当然应该和前面的npts一致。 这里，2点可以连成一条线，三点可以得到一个面。 也就是说：vtk中关于点、线、面的那些信息都是存放在cellarray中，应用时也是直接对cellarray指针进行处理，数据的写入和读取在vtkCellArray类完成。, Dec 12, 2018 · 分, NPTs是主要的镉结合物。镉胁迫下敏感品种‘ZM’根中NPTs含量大于耐性品种‘L3’, NPTs 结合镉的量也大 于‘L3’, 但两个品种根中NPTs结合镉占总可溶性镉的比值无显著差异。镉胁迫下箭舌豌豆两个品种根中, γ-谷 氨酰半胱氨酸合成酶(γ-ECS)基因 ..., Apr 22, 2020 · python,地震波形、时频图、频谱图计算和显示软件 - Iceberg_710815 - 博客园. 在地震波形分析时，时频图可以辅助识别信号，频谱图可以观察地震信号的频率分布范围，发现波形的优势频率，是地震类型判断和科学研究的重要工具。. 下面这段基于python开发 …, Dec 17, 2013 · 函数原型： void fillConvexPoly(Mat& img, const Point* pts, int npts, const Scalar& color, int lineType= 8, int shift= 0) 函数作用： 填充凸多边形 参数说明：img 图像 pts 指向单个多边形的指针数组 npts 多边形的顶点个数 color 多边形的颜色 LineType 组成多边形的线条的类型 8 (or 0) - 8-connected line（8邻接)连接 线。, 1033. National Personal Transportation Survey (NPTS)-- Summary of Travel Trends [62,504 represents 62,504,000. Data obtained by collecting information on all trips taken by the respondent on a specific day (known as travel day), combined withlonger trips taken over a 2-week period (known as travel period).Contains data from previous NPTS surveys. , 2015-08-30上传. 大肠杆菌细胞中不依赖PTS系统的葡萄糖转运途径的构建与优化,大肠杆菌分解葡萄糖,葡萄糖转运蛋白,葡萄糖转运体,葡萄糖转运蛋白glut4,葡萄糖转运蛋白glut1,葡萄糖跨膜转运属于,维爱宝葡萄糖双歧杆菌,钠葡萄糖共转运载体,葡萄糖的转运方式. 文档 ..., Norfolk PTS offers a range of courses for parish councils, clerks and councillors in Norfolk. Learn from experienced tutors and network with other parish representatives., With shipment tracking, you can track your parcels and view the estimated time of delivery. For tracking, simply enter your shipment number at the top and the current status will be displayed in the package tracking system. You will also receive all important detailed information about your parcel in the next step. , Amazon Forecast CNN-QR, Convolutional Neural Network - Quantile Regression, is a proprietary machine learning algorithm for forecasting time series using causal convolutional neural networks (CNNs). CNN-QR works best with large datasets containing hundreds of time series. It accepts item metadata, and is the only Forecast algorithm that accepts ... , Learn the differences between NPT, NPTF and NPS thread connections, the types of pipe fittings they are used for, and the requirements for each thread. Find out how to create leak-free seals …, Jika bobot di suatu satuan pendidikan adalah (2*NPH):NPTS:NPAS, maka penghitungan NA KD menggunakan rumus sebagai berikut: Penghitungan NA untuk setiap KD dapat dilakukan sesuai dengan kegiatan penilaian yang dilakukan dan pembobotan. Untuk penghitungan NA KD 3.6, 3.7, dan 3.9 didasarkan pada NPH dan NPAS., Looking for the definition of NPTS? Find out what is the full meaning of NPTS on Abbreviations.com! 'Nationwide Personal Transportation Survey' is one option -- get …, 4 days ago · Parameters:. lon1 – Longitude of the initial point. lat1 – Latitude of the initial point. azi1 – Azimuth from the initial point towards the terminus point. npts – Number of points to be returned (including initial and/or terminus points, if required). del_s – delimiter distance between two successive points. radians (bool, default=False) – If True, the …, Nationwide Household Travel Survey (NHTS) & (NPTS) - Daily Traffic . The National Household Travel Survey (NHTS), previously called the Nationwide Personal Transportation Survey (NPTS), serves as the nation's inventory of daily personal travel. It is the only authoritative source of national data on daily trips including purpose of the trip, means of …, Dec 24, 2023 · python custom_evaluate.py --infer_npts 2048 --root cumstom_data --checkpoint work_dirs\models\checkpoints\test_min_loss.pth --show 其中绿色点云为源点云，红色点云为参考点云，蓝色点云为配准后的源点云，可以看到蓝色点云与红色点云完全没有对齐，这表明训练效果极其不佳。, Learn the differences between NPT, NPTF and NPS thread connections, the types of pipe fittings they are used for, and the requirements for each thread. Find out how to create leak-free seals …, Login N.P.T.S. Login. Utente. Password. La navigazione del sito è stata ottimizzata per Versione 7.0 o superiore, alla risoluzione 1024x768., Nationwide Personal Transportation Survey (NPTS) data are collected by the Federal Highway Administration (FHWA). It is the only national source of information on personal travel for all modes of transportation and all trip purposes. NPTS also tracks the economic, social, demographic, and geographic characteristics of the traveler.