2022年打不开下载的数据库解决办法--针对NCBI下载SNP不被Haploview识别 .pdf
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1、haploview 数据格式错误解决方法最近要使用 haploview 这个软件,先在实验室电脑上装了一个, 直接在 hapmap下的数据载入是正常的,结果在hapmap上下载的数据怎么都载不进去,但是软件自带的那个数据载入又是正常的。实验室haploview 也不能载入 hapmap上下载的数据了 haploview还可以载入其他格式的数据,只是我们通常都直接从hapmap上下载,比较方便。谁让我倒霉呢, 只好用不方便的。http:/www.ncbi.nlm.nih.gov/projects/SNP/snp_gf.cgi打开这个网址,按照上面的选项填好自己的要求,一共有三个 step ,填完
2、 step1 点 next 就会进入 step2 ;名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页,共 8 页 - - - - - - - - - 在 step2 选择好所需的人种,点display results 就会进入 step3 ;名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页,共 8 页 - - - - - - - - - 在 step3 下方的
3、四个蓝色按钮的上面那一行小字里有download haploviewfiles,点击就可以下载压缩文件。 解压这个文件里面有info 和 ped 两个文件,这是对应于 haploview 里 linkage format 的,ped 对应 data file,info 对应 locus information file,选择好后点 ok 就能载入了。换了个格式总算是把数据给载进去了,我的脑细胞呀 都损失在之前的极度焦虑之中了 ,其实这个事情已经成为过去式有一小段时间了,一直在纠结要不要写出来呢(之所以纠结,其实是因为我懒,脸红一下)。虽然换一种数据格式是我自己想到的, 可筒子们要理解, 数据库
4、的使用是复杂滴, 探索使用方法的道路是艰辛滴,所以那个下载数据的方法是本人在探索无果的情况下经过长时间的谷歌找到滴。既然下载的方法是借鉴的别人的劳动成果,所以我决定也把我的经验提供给大家,希望能帮到需要的筒子。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页,共 8 页 - - - - - - - - - 帮助说明 http:/www.ncbi.nlm.nih.gov/projects/SNP/docGenotype.htmlDetailed information for S
5、NP Genotypes The URL for the genotype pages is http:/www.ncbi.nlm.nih.gov/projects/SNP/snp_gf.cgiThe HTML interface has 3 pages: The first page is a form for selecting species and SNPs. The second page is a form for selecting populations. The third page contains the search results in HTML, text, or
6、XML. All form parameters can be specified on any page and will be reflected in the forms. The list of all HTTP form parameters is in the following table. Name Page Value pg All 0, 1, or 2 for pages first, second, or third page, respectively. species first The species or tax ID to be searched. This i
7、s either the tax ID in an integer form or the name of the species followed by an underscore and the tax id.For example, human_9606 and 9606 are equivalent.tax_id first Same as species. Ignored if species is specified. RSPick first 1 if selecting SNPs by RS numbers , 2 if selecting a gene by name or
8、ID, empty or 0 otherwise. RSlist first A list of rs number delimited by spaces, commas, or newlines . This is used only if RSPick is 1Gene first The name or NCBI ID of a gene. This is used only if RSPick is 2.chr first Chromosome. This can be a number or a string such as X, Y, Un, or MT. This is use
9、d only if RSPick is empty or 0.rng first Range of SNPs to be selected, valid values ar e C and F. F specifies a range and C specifies that the range is centered around an RS number or base pair. This is used only if RSPick is empty or 0. See below for more details rngspec first Values are chr_pos or
10、 rsIf chr_pos then the range will be selected by number of base pairs within the chromosome, otherwise it is a range between two RS numbers or an within a specified number of base pairs of an RS, depending on the value of rng. This is used only if RSPick is empty or 0. from first This is the positio
11、n in base pairs within the chromosome or an RS number for the beginning or center of the 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页,共 8 页 - - - - - - - - - range, depending on the value of rng (see above.) RS numbers can optionally be preceeded with rs and ba
12、se pair numbers may optionally end with K or M for kilo or mega base pairs. This is used only if RSPick is empty or zero. to first If rng is F this is the ending RS number or base pair, using the format as from above. If rng is C this is the number of base pairs from the centered position specified
13、in from above. This is used only if RSPickempty or 0. weight1 first 1 if selecting weight 1 snps only, omitted otherwise. This is used only if RSPick is not 1. trusnp first 1 if selecting SNPs only, omitted otherwise. This is used only if RSPick is not 1. diall first 1 if selecting diallelic SNPs on
14、ly, omitted otherwise. This is used only if RSPick is not 1. snpfnc first SNP Function. An integer representing the SNP function. Multiple values can be selected, but they must be separate name=value pairs. For example snpfnc=2&snpfnc=3&snpfnc=4, etc. This is optional and is used only if RSPick is n
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