科學(xué)軟件網(wǎng)提供的軟件覆蓋各個(gè)學(xué)科,軟件數(shù)量達(dá)1000余款,滿足各高校和企事業(yè)單位的科研需求。此外,科學(xué)軟件網(wǎng)還提供軟件培訓(xùn)和研討會(huì)服務(wù),目前視頻課程達(dá)68門,涵蓋34款軟件。
Multivariate Analysis of Ecological Data For Windows 98, 00, ME, NT, XP, Vista, 7, 8, and 10
PC-ORD performs multivariate analysis of ecological data entered in spreadsheets. Our emphasis is on nonparametric tools, graphical representation, randomization tests, and bootstrapped confidence intervals for analysis of community data. In addition to utilities for transforming data and managing files, PC-ORD offers many ordination and classification techniques not available in major statistical packages including: CCA, DCA, Indicator Species Analysis, Mantel tests and partial Mantel tests, MRPP, PCoA, perMANOVA, RDA, two-way clustering, TWINSPAN, Beals smoothing, diversity indices, species lists, many ordination overlay methods (quantitative, symbol-coding, color-coding, grid, joint plot, biplot, successional vector), various rotation methods, 3-D ordination graphics, Bray-Curtis ordination, city-block distance measures, species-area curves, tree data summaries, publication-quality dendrograms, and autopilot mode nonmetric multidimensional scaling (NMS or NMDS). Very large data sets can be analyzed. Most operations accept a matrix up to 32,000 rows or 32,000 columns and up to 536,848,900 matrix elements, provided that you have adequate memory in your computer. The terminology is tailored for ecologists. The full manual is included as a context-sensitive help system.
新矩陣文件格式
? 行和列標(biāo)識(shí)符--大長(zhǎng)度從8個(gè)字符增加到12個(gè)字符。
? 分類值--現(xiàn)在可以是數(shù)值(上面例子中的ShadeTolerQ)或文本(上面例子中的Dispersal, Leaf, Leaf, LearPersist和ShadeTolerC),多可達(dá)20個(gè)字符。
? 矩陣大小--從32,000行x 32,000列增加到2,000,000行x 2,000,000列,大可達(dá)536,848,900個(gè)元素自帶一些局限性。
* Advisor Wizard Helps you decide how to transform and analyze your data
Two-way Cluster Analysis
The purpose of our two-way clustering (also known as biclustering) is to graphically expose the relationship between cluster analyses and your individual data points. The resulting graph makes it easy to see similarities and differences between rows in the same group, rows in different groups, columns in the same group, and columns in different groups. You can see graphically how groups of rows and columns relate to each other. Two-way clustering refers to doing a cluster analysis on both the rows and columns of your matrix, followed by graphing the two dendrograms simultaneously, adjacent to a representation of your main matrix. Rows and columns of your main matrix are re-ordered to
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科學(xué)軟件網(wǎng)是一個(gè)以引進(jìn)國外優(yōu)秀科研軟件,提供軟件服務(wù)的營(yíng)業(yè)網(wǎng)站,網(wǎng)站由北京天演融智軟件有限公司創(chuàng)辦,旨在為國內(nèi)高校、科研院所和以研發(fā)為主的企業(yè)事業(yè)單位提供優(yōu)秀的科研軟件及相關(guān)軟件服務(wù)。截止目前,科學(xué)軟件網(wǎng)已獲得數(shù)百家國際軟件公司正式授權(quán),代理銷售科研軟件數(shù)百種種,軟件涵蓋領(lǐng)域包括經(jīng)管,電力系統(tǒng)模擬,地球地理,生物化學(xué),工程科學(xué),排版及網(wǎng)絡(luò)管理等。同時(shí),還提供專業(yè)培訓(xùn)、視頻課程(包含34款軟件,66門課程)、實(shí)驗(yàn)室解決方案和項(xiàng)目咨詢等服務(wù)。
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產(chǎn)品價(jià)格:面議
發(fā)貨地址:北京北京包裝說明:不限
產(chǎn)品數(shù)量:9999.00 個(gè)產(chǎn)品規(guī)格:不限
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